Re: [EVDL] EVLN: Hanergy.cn Solar-EV by Oct 2015

[Alan Arrison via EV]

Good luck with that.

Al


On 2/3/2015 1:24 PM, brucedp5 via EV wrote:


http://www.globaltimes.cn/content/905499.shtml
Renewable giant says will unveil solar vehicles by Oct
By Chu Daye  2015-2-2




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Re: [EVDL] EVLN: Uber CEO sez will replace all of its drivers with Auton-EVs

[Alan Arrison via EV]

The constant stream of news releases regarding self driving cars is 
pretty annoying.

I'm sorry, I don't see it happening any time soon.
It's just the latest tech buzzword and a way to make autos even more 
complicated and expensive.

Talk about opening yourself up to huge liabilities
I can see the all the lawyers licking their chops.

Al

On 2/27/2015 4:05 AM, brucedp5 via EV wrote:


http://www.forbes.com/sites/stevenrosenbaum/2015/02/26/the-future-of-tv-is-mobile-and-not-the-way-you-think/
The Future Of TV Is Mobile, But Not The Way You Think
2/26/2015  Steven Rosenbaum




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Re: [EVDL] New Tesla Owner

[Alan Arrison via EV]

Congrats Mike! Is it a P85? Care to share what price you paid? (roughly)

Al

On 3/23/2015 9:56 PM, Mike Nickerson via EV wrote:

I finally jumped in with both feet and bought a used demonstration Tesla Model 
S.  It is a 2014 model that was built just before the dual motor and self 
driving features.  It was replaced as a demo when all the demonstration 
vehicles were upgraded to P85d models.

So far, I have driven it for one day.  It is an amazing car.  Very 
sophisticated in an understated way.  Incredible performance.

Best of all, it is bright red; the best color for a car like that.

Mike
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Re: [EVDL] EVLN: Open Source Street-Legal affordable long-range EV 4the masses

[Alan Arrison via EV]

Good luck with that...

On 5/17/2015 3:00 AM, brucedp5 via EV wrote:


http://www.hybridcars.com/open-source-project-hopes-to-offer-23000-ev-with-186-miles-range/
Open Source Project Hopes To Offer $23,000 EV With 186 Miles Range
by Sarah Shelton  May 14, 2015




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Re: [EVDL] self driving cars

[Alan Arrison via EV]

Very well put Chris. I hope we don't beat this to death as it is 
somewhat OT.
I'll go out on a limb - you will not see full blown use of self driving 
vehicles any time soon.

10 years maybe, probably more like 25. You heard it here, LOL

Al


​Lee's quite right of course. Everyone is speculating on what this is 
now, what it will evolve into, and generally thinking in broad strokes. 
But it's the details that will bite hard. ​ Simple sense-and-response 
control would be just begging for a tragic outcome. And there is no AI 
system sufficiently advanced to make the right decision in every case. 
There will be wrong responses, some tragic. Also, if you cede too much 
control to the system that means you have little control when some 
glitch becomes a seriously FUBAR situation. Making this work really well 
would require a massive software validation effort that few companies 
will do properly. (They frequently have a hard time implementing CANBUS 
properly.) This is all a perfect example of the four wheel drive 
analogy - four wheel drive can allow you to do things that are otherwise 
impossible. But if it is implemented or used improperly, it will only 
get you deeper into trouble than you might otherwise have been in. 
Sadly, there will be lawyers that specialize in these cases, and they 
will make lots of money. ​There's a far stronger case to be made for 
using tech in ways where we know it works - sensing what is difficult 
for humans to perceive, and rapid response. I would welcome an infra-red 
HUD that would allow me to see in the dark or through fog, dust and 
blizzards. Or an audible warning that closure rate to the vehicle ahead 
is too fast. Maybe even automatic braking in that case, but I'd have to 
try it first. An audible warning that you're about to collide with 
someone in your blind spot would be good, but a steering correction 
would NOT be OK. Like if I'm purposely changing lanes into someone 
because that collision is the lesser of two evils. That's a decision I 
want to make myself. ​I'm all for enhancements. But the decisions are 
mine. AI is simply not up to the task yet.​ The real test is not when 
you can show what amazing things a self driving car can do - it's when 
you throw situations at it trying to make it do the wrong thing and you 
can't. No one wants to show those test yet, but those are the ones that 
matter. Chris -- next part -- An HTML attachment 
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Re: [EVDL] $10k bounty on Tesla-S hacks entices tinkerers, aggravates Tesla

[Alan Arrison via EV]

I am surprised that auto makers haven't locked down their systems with 
encryption.
If they haven't yet they probably will if for no other reason than 
liability issues.


Al

On 5/20/2015 4:50 AM, brucedp5 via EV wrote:


Every since the first cars rolled out of factories, owners have been
modifying them to suit their own personal needs and tastes. With the
extensive computer controls used in modern cars, people are now finding a
different way to do that.

Certain Tesla Model S owners are giving their cars upgrades, but instead of
changing tires, brake calipers, or paint jobs, they’re changing software.




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Re: [EVDL] EV Digest, Vol 32, Issue 18

[Alan Arrison via EV]

What they are rated for and what they will actually do are two 
different things.

They are actually rated at .3C.
1C continuous let alone 3C continuous will lead to an early demise.

Al

On 6/12/2015 12:15 AM, Paul Dove wrote:

Those batteries are rated for 3C continuous.

Sent from my iPhone


On Jun 11, 2015, at 8:59 PM, Alan Arrison via EV ev@lists.evdl.org wrote:

95 40ah cells is only 12kWh. Range will be minimal.
I doubt the 40ah cells will last very long since you will be pulling at minimum 
1C continuous.

Al



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Re: [EVDL] EV Digest, Vol 32, Issue 18

[Alan Arrison via EV]

95 40ah cells is only 12kWh. Range will be minimal.
I doubt the 40ah cells will last very long since you will be pulling at 
minimum 1C continuous.


Al

On 6/11/2015 3:00 PM, David Miller via EV wrote:

Everyone,
   One of our Rav4EV News Group guys converted his Rav4 to Lithium for ~$7.5
total.  $5k for
95 batteries and $2.5k for the BMS. His conversion adds j1772 charging
capability as well.  He
gets a 90 mile range and has sporty acceleration.
   I don't know how long his CALB 40AH
LiFEPO4 prismatic Batteries (CA40FI) will last.
   Can anyone advise me here?
   Other than my concern about LiFEPO4 battery lifetimes this looks like the
best option.
It's just a little more expensive than I'd like.


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Re: [EVDL] EVLN: GenZe e-bicycle has the same batteries as a Tesla-S EV

[Alan Arrison via EV]

I thought Tesla used Panasonic batteries.


On 5/22/2015 5:38 AM, brucedp5 via EV wrote:

GenZe's e-bike models use the same Samsung batteries as the Tesla Model S to
help supplement your pedaling. The battery is actually removable, so you can
take it out of the bike and charge it at work with a cord about the size of
your laptop charger.


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Re: [EVDL] EVLN: Offset Supercharging degradation w/ pack balancing

[Alan Arrison via EV]

We already went round and round with this no self discharge, no BMS 
fellow a few months ago.



On 8/4/2015 5:08 PM, paul dove via EV wrote:

Hey Mark,
I know that seems like sounds reasonable to most people. However, a battery is 
chemical and while you can measure resistance with a meter a battery has no 
resistance in the electrical sense. What appears as resistance in a Lithium Ion 
cell is really the diffusion rate of Li Ions into the graphite structure. Ohm's 
law does not apply inside a battery. You are pushing Ions into a crystal 
structure and as it gets full the cell transfers some of this energy into heat. 
So holding a battery at the set point after it is full just heats up the cell.





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Re: [EVDL] Watt-Hr Motorcycle Efficiency...

[Alan Arrison via EV]

50Wh per mile is way too optimistic.
A Zero SR, which is a state of the art bike, lists a nominal battery 
capacity of 11.4kWh.
Range on the highway at 55mph is listed as 98 miles. This gives 116Wh 
per mile.


Al

On 11/12/2015 1:59 PM, Ing. Marco Antonio Gaxiola via EV wrote:
  


Considering the rule of EVs efficiency of 250Watt-hr per mile on a 2500 lbs
compact car,  May it apply same in order to calculate the energy efficiency
of a prototype motorcycle?. Please help me / correct me to do the closer
approximations:

  


 Motorcycle total weight (already electric): 500 lbs

  


 That would be aprox 50Watt-hr per mile?

  


 So, having a 48V - 100Ah pack = 4,800Watt-hr pack installed
on that Motorcycle within that weight, it could have an expected range of
(4,800 / 50 ) 96 miles?

  



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Re: [EVDL] Extra ground wires on Nissan Leaf J1772 inlet & cable?

[Alan Arrison via EV]

Jay, is the inlet lighted?
Could it be ground returns for LED's?

Al

On 11/12/2015 9:34 PM, Jay Summet via EV wrote:
I've taken the J1772 inlet & cable from my salvaged (2013) Nissan Leaf 
and am planning on connecting it up to the new charger for my S-10 
pickup truck conversion.


It has the standard 5 pins (Hot/Hot/Ground/Proximity/Pilot). The two 
hots connect to two large orange wires. The  Proximity/Pilot connect 
to two small wires that come out of the harness close to the inlet.


However, there are THREE green wires that emerge from the back end of 
the harness. One large, which is connected to the ground pin on the 
J1772 inlet, and two other smaller green wires that are connected to 
the large green wire via a shared ring terminal.  I don't know what 
these two small green wires go to, but it's not any of the pins on the 
J1772 inlet!


When I disconnected them from the ring terminal, they do not have 
connectivity to any of the other wires, or to any of the pins on the 
inlet.  As far as I can tell, they just go into the harness heading 
towards the inlet and disappear!


The only thing I can think of is that they are routed near to the HOT 
wires in such a way that if the hot wires are compromised they may 
short out to ground?


Has anybody got a definitive answer to what these two guys are for?
I can post photos of them if you want to see, but I figure that 
anybody who already knows the answer won't need the photos


Thanks,
Jay
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Re: [EVDL] EVLN: Cordless drill on wheels> e-dragster w/ the power of 200, 000 drills

[Alan Arrison via EV]

Sigh, wait till it actually IS the worlds fastest EV then tell us.

On 11/15/2015 4:23 AM, brucedp5 via EV wrote:


A concept six years in the making, Top EV Racing is creating the world’s
quickest electric race car, the car’s battery able to fast charge in as
little as 15 minutes with the help of solar power and the latest battery
technology.




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Re: [EVDL] Suitable Load?

[Alan Arrison via EV]

I can pretty much guarantee you there is degradation in 4 years.
A friend of mine just parted out his conversion and I bought his CALB 
100Ah cells.

They are 3 years old with only 8000 miles on them.
He did not use a BMS, but they were top balanced when new.
Charge cutoff voltage was kept conservatively low.
I charged each cell individually and then discharged at a constant 30A 
to 3.00V.

The amp hours and watt hours were totaled and recorded.

Ah varied from 88 to 96 and Wh varied from 310 to 280.
Internal resistance varied widely as well and there were 3 duds that 
were way out of spec.

As Mike said, an RC charger can charge/discharge cells and track Ah.
Discharge rates are usually max of 100W or about 30A for a 3.2V cell 
which is fine for a 100Ah cell.

Check Thundersky.com

Al


On 11/4/2015 7:39 PM, Mike Beem via EV wrote:

I have been trying to re-balance my 4 year old 100Ah CALB pack with
mini-BMS, identifying the highest SOC cells by watching for the red LED's
to light up on the mini-BMS boards on the individual cells. I have been
using a 12 volt, 50 watt "A" lamp, leaving it on the cells one at time for
60-90 minutes  each, then bringing the full pack up again until I start
seeing red LED's.
I don't have any other suitable DC lamps or other safe (to me) items which
I can guarantee won't damage a cell by my inattention (I set an alarm for
myself every time I connect this load to a cell).
What suggestions do people have for me? How would a 120 volt 500 watt
halogen affect one of these individual nominal 3 volt cell (resting is
actually ~ 3.3v)?
  It was my intention 4 years ago when I re-converted the EV Escort to
lithium to see if I could drive an EV for 10 years on a $10,000 layout, not
counting brakes and other expendables. So far, I have seen no loss of
range, and have no indications of degradation.
I set myself up for the current balancing problem by charging individual
cells while the PFC30 was back in Washington for a minor repair, so now I
have high SOC cells turning off the charger before the pack is fully
charged.

Thank you!
Michael B
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Re: [EVDL] Sensors for safety, not making EVs noisy

[Alan Arrison via EV]

Typical solutions where there is no problem.

On 11/7/2015 3:11 AM, brucedp5 via EV wrote:


'EVs aren't as loud, so perhaps the sensors need to be tied to an alarm that
could sound when it senses something -- like a child running in the street
... for people to accept that the car is safer'




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Re: [EVDL] EVLN: Future EV-conversions on 48-volt automotive systems

[Alan Arrison via EV]

Another solution where there is no problem...sigh

On 11/7/2015 3:16 AM, brucedp5 via EV wrote:


% Remember the 1990s Push for 42-Volt Electrical Systems? %

http://www.assemblymag.com/articles/93092--volt-systems-will-help-reduce-wiring-costs
48-volt systems will help reduce wiring costs
November 3, 2015  Austin Weber




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Re: [EVDL] EVLN: 1004km Brighsun Electric Bus range-test.au on 2015/10/31

[Alan Arrison via EV]

This is nonsense, 1000km is well over 600mi.
This would require upwards of a 1000kWh battery.
Notice there are no details in the article.

Al

On 11/3/2015 9:17 AM, brucedp5 via EV wrote:


http://onestepoffthegrid.com.au/all-electric-bus-unveiled-in-melbourne-heading-to-sydney-on-one-charge/
All-electric bus unveiled in Melbourne, heading to Sydney on one charge
By Sophie Vorrath  October 30, 2015




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Re: [EVDL] EVLN: Renovo demos Coupe EV RWD prototype @Laguna_Seca-CA 0-60mph:3.4s

[Alan Arrison via EV]

Sigh, why do companies insist on using unsubstantiated hype like "worlds 
first" and "worlds fastest"?


An advanced prototype of “the first the all-electric American supercar”
Uh hello?, ever heard of a Tesla Model S? Wouldn't that qualify as a 
supercar?


With a 0-60 MPH time of less than 3.4 seconds, the Coupe is the quickest 
production rear-wheel drive electric vehicle in the world.”

Production? it says it's an advanced prototype, and a Tesla is just as fast.

Al



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Re: [EVDL] EVLN: Bosch Targets 263 Wh/kg Li-ion packs

[Alan Arrison via EV]

Sigh, another battery of the future.
Less weight, more kilowatt hours, less money...
We've heard it all before.

Al

On 10/19/2015 6:26 AM, brucedp5 via EV wrote:



[images
http://insideevs.com/wp-content/uploads/2015/12/1-CR-21625-e.jpg
Bosch is working on the battery of the future  The goal for the future is to
be able to store 50 kWh of energy in just one battery weighing 190 kg.




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[EVDL] Lithium batteries, media frenzy

[Alan Arrison via EV]

Is it just me or is the media in a frenzy over those horrible lithium 
ion batteries.

Batteries that are used in billions of devices, safely, day in and day out.
The copy writers love to use the line "they can catch fire and explode."
They conveniently never mention that it could be the device that the 
battery is in that is defective, not the battery itself.

Sheesh.

Al
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Re: [EVDL] EVLN: After Leaf the lease, we're living the IL Tesla-S EV dream

[Alan Arrison via EV]

I'm pretty sure a base model does not come with all wheel drive.


On 9/12/2015 4:11 AM, brucedp5 via EV wrote:


http://www.postindependent.com/opinion/18014132-113/letter-an-electric-dream
Letter: An electric dream
September 3, 2015 |

My wife and I once thought that owning a Tesla was only a dream and that we
could never afford it. It was only after our lease ended on our all-electric
Nissan Leaf that we realized how much money we saved over those years. Zero
emissions, zero gas, practically zero maintenance (tires and windshield
wipers), and tax rebates saved us thousands over a traditional car. And we
loved driving it.

We are a middle-class, regular family and we just bought a base model Tesla
Model S. It truly is a dream car and way more affordable than we had once
thought. We’re getting $14,000 back in taxes, never have to pay for gas,
take free family road trips and have the all-wheel drive needed for the
mountains.

If you want more info on the reality of how much an electric vehicle really
costs, I’d be happy to respond to e-mails at craigfarnum hotmail.com. (And
no, I don’t work for a car company.)
  Craig Farnum
  Carbondale [IL]
[© postindependent.com]




For EVLN posts use:
http://evdl.org/evln/


{brucedp.150m.com}



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Re: [EVDL] Electric Snowblower Conversion

[Alan Arrison via EV]

I would like to convert a walk behind snow blower too.
I think a ~3500 rpm PM "pancake" motor like an Etek would be best.
The "Manta" motors on Ebay are listed as 10hp, which I think would be 
overkill.

You could buy a whole new gas blower for the price of just that motor.
There are some nice heavy ~3hp PM treadmill motors, but they are all 
high voltage.


Al

On 12/2/2015 12:14 AM, Bill Dennis via EV wrote:

Combine a copious annual snowfall with a long steep driveway and you'll
understand why I've got such a monster of a snow blower sitting in my garage
(30 inches wide, 24 inches high, 8 horsepower engine).  I'd like to go
electric, but I've never seen an electric snow blower that large.  Has
anyone ever converted a gasoline snow blower to electric?  My biggest areas
of uncertainty up front are motor sizing and motor control.

Thanks,

Bill

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Re: [EVDL] Pack HV Fuse question

[Alan Arrison via EV]

If the fuse doesn't list a DC rating then don't use it with DC.


On 1/7/2016 8:50 PM, Jay Summet via EV wrote:

I have obtained a surplus fuse, new old stock.

Buss JKS 400

Bussman Limitron
Quick-Acting
Current-Limiting
FUSE
JKS 400

Class J Fuse

Interrupting Rating
200,000 amp. rms sym.
600v or less A.C.



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Re: [EVDL] EVLN: 3000km Bridgestone World Solar Challenge

[Alan Arrison via EV]

There is simply no way a viable, fully enclosed, highway capable, 
electric vehicle ( that can pass safety tests ) can do anywhere near 
55wh per mile.



On 12/20/2015 2:47 PM, Lawrence Rhodes via EV wrote:

This is the view from the LOSER zone. The real news is the Dutch and Japanese 
teams and Tesla's sponsorship of the Cruiser Class.  The Class that will spawn 
the practical cars of the future.  The range of these vehicles is 1000 KM.  
Remarkable for vehicles that only have a 15kw battery pack.  Average speed is 
55mph. Energy usage of these machines is 55wh per mile. Lawrence Rhodes
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Re: [EVDL] EVLN: Brighsun ebus> 1018km on one charge, plans plants across OZ

[Alan Arrison via EV]

It's obviously a publicity stunt.
Anyone can throw a ton of batteries in a bus and do it.
Of course there are no technical specs or prices mentioned.


On 11/26/2015 8:23 PM, EVDL Administrator via EV wrote:

On 25 Nov 2015 at 21:46, Alan Arrison via EV wrote:


So the bus traveled at about 25mph. Totally unacceptable in a real
world situation.

Well, I'd guess that the city buses round these parts average less than that
speed

But I know what you mean.  It's not a "real world" test.  It's more of a
promotional gimmick.  Maybe they think that purchasing agents for bus fleets
would be impressed by such a test, but I wonder how many really would.

And though I may have missed it, I didn't see any discussion of what the bus
(or the battery) will cost.  You can get impressive range with a silver-zinc
battery, for example, but the cost is insane.

(FWIW, an engineer I knew many years ago had once worked on designs for US
military submarine target drones.  He couldn't tell me much about them, but
he did say that they were powered by silver-zinc batteries. Your tax dollars
going up in smoke, I guess, but at least they weren't pulverizing lead or
cadmium in the ocean.)

David Roden - Akron, Ohio, USA
EVDL Administrator

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Re: [EVDL] EVLN: Brighsun ebus> 1018km on one charge, plans plants across OZ

[Alan Arrison via EV]

1004km is 624mi. 10:00pm Sat to say 11:30pm Sun is 25.5 hours. So the 
bus traveled at about 25mph.

Totally unacceptable in a real world situation.


According to Brighsun, the bus started its journey at 10pm Saturday 
November 14 and achieved the record distance just before midnight on the 
following Sunday, in the presence of a Guinness World Record adjudicator.

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Re: [EVDL] Level 1 charging solar

[Alan Arrison via EV]

What happens when clouds come by and randomly block the sun?

Do the inverters start up and shut down gracefully?

What does the car do when it sees the AC power going on and off?

Sounds like a recipe for damaged electronics.

Al


On 6/16/2016 3:27 PM, Seth Rothenberg via EV wrote:

Friends,

I saw a video of someone charging a Nissan Leaf
(presumably) using the provided Level 1 charger
and flexible solar panels attached to the car.
(presumably with an off-grid inverter).



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Re: [EVDL] Nissan changing telematics hardware and carrier

[Alan Arrison via EV]

You got that right!
Automakers should have never been allowed to put what amounts to a video 
game on your dashboard.
Now they're trying to fix the distraction caused by the dashboard with 
self braking cars.


Al

On 2/29/2016 4:19 PM, fotajoye via EV wrote:

I can easily live without this feature on my limited range, commuter-car,
Leaf; just another distraction to a busy screen of growing trees and dancing
lights that affect safely driving your car...just tell me how to get rid of
the annoying "legal screen", the trees and the dancing lights.  All I need
is a good speedometer, a battery state of charge gage (a good one, not the
one they have in the car), a clock and the rest can be handled with a fault
light.  Also all other features and settings should only be accessible when
the car is sitting still.  It's no wonder people need safe-driving cars,
they are too busy fiddling with all the lights, phones and features.

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Re: [EVDL] EVLN: What You Need To Know To Wire A Garage EVSE

[Alan Arrison via EV]

If you install a 14-50 outlet, you better make sure you include a 
neutral conductor. (even though most EVSE don't require it)


On 3/7/2016 5:44 PM, Cor van de Water via EV wrote:

Hi Peter,
Thanks for the clarification - I too consider installing a NEMA 14 in my
garage. For the 2nd clothes dryer, of course ;-)




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Re: [EVDL] EVLN: Capacitors Replace Li-ion> able to drive an EV 1, 000 miles

[Alan Arrison via EV]

Yes, trolling, not a chance this will see the light of day.


On 4/2/2016 3:15 AM, brucedp5 via EV wrote:


% ?Trolling4$ or ... ? %

http://www.prweb.com/releases/2016/03/prweb13278422.htm
Capacitor Sciences Develops Materials to Turn Capacitors into High Density
Energy Storage Cells Able to Replace Li-Ion Batteries
March 28, 2016

Company turns simple capacitor into high density, high energy storage device
by altering dielectric materials.




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Re: [EVDL] EVLN: A cheaper 500km/310m Electric VW family car w/ a 15min charge time

[Alan Arrison via EV]

Why do they publish this nonsense.

On 5/10/2016 4:45 AM, brucedp5 via EV wrote:


http://www.autocar.co.uk/car-news/new-cars/vw-ev-could-be-cheaper-equivalent-golf
VW EV could be 'cheaper than equivalent Golf'
3 May 2016

[image
http://images.cdn.autocar.co.uk/sites/autocar.co.uk/files/styles/gallery_slide/public/images/car-reviews/first-drives/legacy/ev.jpg?itok=3_kYf9xR
(sketch)
]

VW's EV model could also have a range of 310 miles and a 15-minute recharge
time

The VW Group can leapfrog its rivals in electric car technology if it
achieves scale across all of its brands effectively, according to the firm’s
technical development boss, Frank Welsch.

Volkswagen boss Matthias Müller revealed at the Geneva motor show that the
firm would launch an electric family car with a range of 500km (310 miles)
and a recharge time of 15 minutes for a price lower than that of an
equivalent Golf. Insiders had previously told Autocar that the VW Group’s
highest management sees the potential for it to be the first iconic electric
car and the perfect vehicle to banish memories of the Dieselgate emissions
scandal.

“


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Re: [EVDL] EVLN: Nikola Motor Announces 2000HP Semi-trailer Truck he-Tractor

[Alan Arrison via EV]

Good luck with that...

On 5/14/2016 4:54 AM, brucedp5 via EV wrote:


% Leveraging off Tesla's name, yet it isn't an Electric that can plug in.
Its a 2000hp old school hybrid with regen for safer-down-hill-braking and
fuel saving$ %

http://www.truckinginfo.com/news/story/2016/05/nikola-motor-teases-all-electric-commercial-truck.aspx
Specialty Firm Announces New Electric Road Tractor
May 10, 2016

[image  / Nikola Motor Co.
http://www.truckinginfo.com/fc_images/news/m-nikola-one-1.jpg
Nikola One's components sit low on the frame and at the wheels for excellent
stability, the company says. Composite body panels offer strength and are
light in weight
]

Nikola Motor Co., named after electricity pioneer Nikola Tesla, has
announced that it's developing a 2,000-hp, all-wheel-drive, hybrid-electric
truck-tractor with a turbine range extender whose operating costs will be
one-half that of a diesel tractor.




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[EVDL] PM motor question

[Alan Arrison via EV]

OK you motor gurus. My Gast vacuum pump quit working.

Upon disassembly, I found the two curved ceramic field magnets were 
detached from the motor housing.


Needless to say, the motor would not turn with the magnets stuck to the 
rotor.


I cannot tell by looking at the inside of the motor housing exactly 
where the magnets were positioned.


I am going to guess that it makes a difference where the magnets are 
positioned in relationship to where the motor brushes are positioned.


So, if a line is drawn through the center of the two diametrically 
opposed field magnets, should a line drawn between the opposed


brushes be inline or perpendicular to the line through the magnets?

Thanks for your help, Al


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Re: [EVDL] Moon hubcaps for Leaf

[Alan Arrison via EV]

That's odd, I have moons on my S10 and they fit very tight. The tines 
really scratch up the inside of the wheel.


The tape is supposed to quiet the tines from "clicking" as the wheel rolls.

If the tines seem loose, you will have to use pliers to go around and 
bend them outward slightly.


Al


On 12/16/2016 11:38 AM, Lawrence Rhodes via EV wrote:

I bought 4 moons off eBay.  They all fell off when I drove home from FedEx.  I 
more closely inspected them and they had black electricians tape on the tines.  
Are they better than the standard plastic hubcaps?  They are aluminium. Dent 
real easy.  Anybody have a method of adjusting the tines so they stay on 
reliably?  Bought them for the aerodynamics.  Lawrence Rhodes
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Re: [EVDL] replacement or removal of suspected bad 40Ah prismatic LiFePO4 battery

[Alan Arrison via EV]

3.00V is considered dead. 2.67V is really dead. Your pack is only as 
good as the weakest (lowest capacity) cell.

Unfortunately we don't know anything about the BMS system.
I would guess that the electronics consists of a DC to DC converter. 
Either the converter (or the BMS) may not work properly (or at all) with 
a lower voltage pack.
I would replace the cell and make sure there aren't any other duds in 
the pack.


Al




Questions:

1. Would you recommend replacing or removing batteries from my pack?

2. If removing, what is your guess on loss of range due to lower pack V,
voltage sag?

3. If replacing, do you expect the new cell to assume the lifetime of the
rest of the batteries in the pack, as others have written on this listserv?

So far I am thinking to try removing, see how the range is affected by
testing on a known route that is longer than the original hybrid range with
this pack installed.  If unacceptably worse, add back the replacement cell.
If not, carry on with the slightly smaller battery pack.  But I would be
grateful for the wisdom of the list.

Thank you in advance for your help,
Mike



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Re: [EVDL] looking for cheap load tester (Battery Recycling lead-acid)

[Alan Arrison via EV]

Wow! Last time I took some lead-acids to recycle (about a year ago in 
NJ) they were paying 8 cents a pound.


Hardly worth the effort of lugging them around.

Al


On 5/27/2017 4:14 PM, Robert Bruninga via EV wrote:

  set the duds aside for recycling (you should get some money for them!

Just yesterday I was at the Maryland Recyclers and my favorite one off on
a side street was offering 22 cents a pound for lead-acids and the more
highly visibile recycler everyone goes to was only offering 20 cents.  So
it pays to check around.

Bob
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Re: [EVDL] Design News: Lithium-Ion Battery Inventor Ups Ante With Advanced Solid-State Rechargeable

[Alan Arrison via EV]

The article was about battery researcher John Goodenough.

What was, in particular, causing my negative disposition was that the 
article


stated huge improvements, all simultaneously, of nearly every aspect of 
battery performance.


That is just ridiculous, it is hard enough to improve just one 
performance benchmark at a time.


If the claims are true, then it really would be a miracle battery.

Al




On 5/27/2017 12:48 PM, Peter Eckhoff via EV wrote:
>>It will be very easy, as he stated, to find info about Mr. 
Goodenough.<<


Totally agree, but what article(s) was Alan reading that caused his 
disposition to be negative?


I was curious to try to understand where he was coming from with 
respect to what he was reading.


On 5/26/17, 7:03 PM, Michael Ross wrote:

It will be very easy, as he stated, to find info about Mr. Goodenough.

On Fri, May 26, 2017 at 3:28 PM, Peter Eckhoff via EV 
<ev@lists.evdl.org <mailto:ev@lists.evdl.org>> wrote:


Alan,

What article are you referencing?

I think I would rephrase your second sentence and make it into the
form of a question:  "Is this another one?"

With a question, it opens up avenues to search on the inventor,
his or her reputation, and what needs to be solved to bring it to
market.   It provides a better picture of the situation.



On 5/25/17, 10:39 PM, Alan Arrison via EV wrote:


Over the years I've seen entirely too many "battery
breakthroughs" announced that never got into production.

This is another one. :-/


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Re: [EVDL] Design News: Lithium-Ion Battery Inventor Ups Ante With Advanced Solid-State Rechargeable

[Alan Arrison via EV]

Over the years I've seen entirely too many "battery breakthroughs" 
announced that never got into production.


This is another one. :-/


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Re: [EVDL] EVLN: Low-mileage Leaf EV glut

[Alan Arrison via EV]

Unfortunately, used EV's are going to pile up in junkyards faster than 
gassers, and most will be in very good condition except for the battery.


It will be a shame to see all the power electronics and motors go to waste.

It'll be similar to used EV conversions; "car in great shape, needs 
batteries".


No one will be able to offer an aftermarket battery at a low enough 
price point, considering the engineering and risk involved.


Any wrecked Bolts yet? I could use a nice 50kW pack for my truck.

Al


On 5/18/2017 10:02 AM, Peri Hartman via EV wrote:
With all the used Leafs on and coming on the market, I see a potential 
retrofit market available to someone entrepreneurial. These cars have 
relatively low mileage, perhaps as low as 20K miles, and are hardly 
worn out other than the battery.


It appears unlikely that Nissan will supply a battery replacement, 
other than replacing with the original 24kwh (or maybe 30kwh).


If someone can figure out a way to put a 50-60kwh battery in the 
existing tray, maybe with cylindrical cells like Tesla, these cars 
could be resold. There are over 100,000 used leafs in the US. That may 
be big enough number to setup a mass production battery plant.


Used Leafs are selling for, what, $7K - 10K. It's my assumption that 
the speculated 200 mile Leaf will sell for around $37K minus the 
federal tax credit. I would think that there would be a market for a 
used, upgraded to 200 mile range, Leaf and it would easily sell for 
$20k+. Just my guess. With an efficient process to build a new 
battery, can this be profitable?




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Re: [EVDL] On the Road Again

[Alan Arrison via EV]

Congrats Damon, I hope to do the same with my first (lead sled) 
conversion, a VW Rabbit pickup.


Al


On 9/11/2017 12:32 PM, damon henry via EV wrote:

Yesterday was my birthday and for my birthday present this year I decided to 
complete my lithium conversion on my 1970 Datsun Truck http://evalbum.com/1524 
and start driving it again.  I finished up a couple of days ahead of schedule.  
The truck has been sitting waiting for new batteries for the last 3 or 4 years 
now.


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Re: [EVDL] Solar vehicles..just do the math.

[Alan Arrison via EV]

If you do the math, you will find solar vehicles make no sense, period.

Al



On 9/27/2017 10:01 PM, EVDL Administrator via EV wrote:

Maybe you can do it as a hobbyist project.  I don't see it as a viable mass
produced commercial product for a long time yet, if ever.

It would have to be competitive with current vehicles at initial dealer-lot
price, because that's all most buyers see.

Also, it can't be too odd-looking.  Anything based on the Stella Lux flunks
that one right off.

A scant few buyers will/can pay more up front for low running costs, and a
few of THEM might accept a weird looking vehicle.  By then you're getting
down to a microscopic potential customer base.

You're not going to find venture capitalists interested in that kind of
risk, and unfortunately we're currently experiencing a severe shortage of
Elon Musks.

So if you want one, better get to work.

David Roden - Akron, Ohio, USA
EVDL Administrator




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Re: [EVDL] EVLN: YARA Birkeland zero emission autonomous cargo e-ship (v)

[Alan Arrison via EV]

Where did the electricity come from for the electric drive motors?

It had to be some kind of fossil fuel engine running a generator.

Al


On 10/4/2017 11:20 AM, ROBERT via EV wrote:

The electrification of ships has a long history.  During WWII, diesel engines 
were in short supply. The US needed tanker ships because a large number were 
sunk by the German U2 boats.  The T2 class tanker was the primary tanker.  
Since diesel engines were in short supply, the US started installing large 
electric propulsion motors.  Even today some of these T2 tankers are still in 
service with the original electric motors.  In the 1980's, I did some design 
work on the electrical control system on the USNS Redstone.  The Redstone was a 
T2 tanker with the original electric motors and drive cubicle.  The ship had 
been extended by 72ft by adding a section in the center.  The Redstone was 
station in FL and monitored launches from Cape Canaveral/Kennedy.  The ship was 
finally decommissioned in the 2000s and cut up for scrap.  The electric motors 
and drive controls were built by GE and as far as I know they operated trouble 
free.  I reviewed the controls for possible replacement; however, due to cost 
it was not done.  In addition, they still worked OK.  The controls were 
manually operated and the contractors made a huge noise when operating.  To say 
the least, the electric propulsion system and drive was amazing.  Great job for 
me.


Most if not all ocean going cruise ships have AC/AC drives.  The QE2 was 
converted in the 1980 to AC/AC drives.





From: EV  on behalf of brucedp5 via EV 

Sent: Wednesday, October 4, 2017 4:08 AM
To: ev@lists.evdl.org
Cc: brucedp5
Subject: [EVDL] EVLN: YARA Birkeland zero emission autonomous cargo e-ship (v)



https://cleantechnica.com/2017/09/30/final-design-autonomous-electric-container-vessel-known-yara-birkeland-revealed/
[https://cleantechnica.com/files/2017/09/final-design-of-autonomous-all-e-150x150.jpg]

Final Design Of Autonomous, All-Electric Container Vessel — Yara Birkeland — 
Revealed
cleantechnica.com
The final design of the all-electric, autonomous container ship known as the 
Yara Birkeland has now been completed, and testing has commenced at SINTEF 
Ocean’s 80 metre test tank facility in Trondheim, Norway. Accompanying this 
announcement, the Norwegian government enterprise known as ENOVA revealed that 
it will be providing support to the project in the form


Final Design Of Autonomous, All-Electric Container Vessel — Yara Birkeland —
Revealed
September 30th, 2017  James Ayre

[videos
https://youtu.be/CK600K1tYUQ
[https://i.ytimg.com/vi/CK600K1tYUQ/maxresdefault.jpg]

Testing the YARA Birkeland
youtu.be
Model tank testing of the worlds first autonomous zero emission container 
feeder.


Testing the YARA Birkeland

https://youtu.be/OdWOAgc79aM
[https://i.ytimg.com/vi/OdWOAgc79aM/maxresdefault.jpg]

Autonomous ship model tank testing
youtu.be
Model tank testing of the worlds first autonomous zero emission container 
feeder, the YARA Birkeland.


Autonomous ship model tank testing

https://youtu.be/4Ogg4_ge0f8
[https://i.ytimg.com/vi/4Ogg4_ge0f8/hqdefault.jpg]

YARA Birkeland zero emission autonomous container 
feeder
youtu.be
The first commercial autonomous vessel in the world, and also the first 
commercial zero ballast vessel. A game changer for the environment and for the 
shippi...


YARA Birkeland zero emission autonomous cargo e-ship
]

The final design of the all-electric, autonomous container ship known as the
Yara Birkeland has now been completed, and testing has commenced at SINTEF
Ocean’s 80 metre test tank facility in Trondheim, Norway.

Accompanying this announcement, the Norwegian government enterprise known as
ENOVA revealed that it will be providing support to the project in the form
of a NOK 133 million ($16.7 million) financial contribution.

While a full-scale version of the new design has yet to be revealed
(obviously), the recent announcement was accompanied by the reveal of a
6-meter long, 2.4-ton model. The ship itself is expected to be delivered and
to begin testing and operations in early 2019, with fully autonomous
functioning expected to begin in 2020.

Once in operation, the Yara Birkeland will displace the equivalent of 40,000
semi truck trips from Yara’s Porsgrunn fertiliser plant in southern Norway
to the ports of Brevik and Larvik — and will thus curtail substantial
greenhouse gas emissions.

The press release provides more: “Following the 

Re: [EVDL] Heater

[Alan Arrison via EV]

Isn't a bug air cooled? It doesn't have a heater core.

Do you mean a modern water cooled bug.

In any case, I use a tank heater and pump to circulate hot antifreeze 
through the original heater core.


The pro is you don't have to dig into the dash, the con is there is a 
bit of plumbing to do.


I consider 1500W the bare minimum. My tank heater is 3000W and does 
pretty well.


Al


On 11/28/2017 5:19 PM, ROBERT via EV wrote:

Sometimes during a conversation, the heater core is replaced with an electric 
resistance heater.  For a small size car like a VW Bug, what size is used?  
What is the wattage?

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Re: [EVDL] Heat pump vs resistive Heater (OT, but somewhat EV related)

[Alan Arrison via EV]

Heat can't magically be obtained from cold air.

As the temperature drops, the pump must do a lot more work for an ever 
smaller amount of heat.


Al


On 11/28/2017 11:03 PM, Bill Dube via EV wrote:

Thanks for the Wikipedia reference. Here is the link:
https://en.wikipedia.org/wiki/Heat_pump

Folks are often puzzled by the "up to 4x efficiency" of heat pumps. 
"How is that even possible?" is the most common question. (And the 
common sense question as well...)
Well, heat pumps do indeed deliver, typically 3x to 4x the heat as a 
resistive heater given the identical wattage input, occasionally even 
a bit more. They indeed work, whether you believe in the theory or not.




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Re: [EVDL] Lead carbon batteries.

[Alan Arrison via EV]

If they worked, someone would be using them. Nuff said.

There is no way they are twice as energy dense or give twice the cycles.

Al


On 5/8/2018 3:55 AM, Lawrence Rhodes via EV wrote:

I have an eGo scooter and don't want to fuss with converting to lithium.  Are 
these batteries really twice as dense energy wise and cycle wise?  Lawrence 
Rhodes
   
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Re: [EVDL] Sparrow alternate?

[Alan Arrison via EV]

Notice it is listed under "Ride on Toys".

Nuff said.

Al


On 5/13/2018 11:47 AM, John Lussmyer via EV wrote:

Anyone heard of this before?  I have trouble believing that it's a real vehicle 
that's been developed in total secrecy, AND that's it's cheap (relatively).
https://www.hammacher.com/Product/13338

--
Tigers prowl and Dragons soar in my dreams...
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Re: [EVDL] EVLN: Flywheels for L3 Charging EVs in 10 Minutes

[Alan Arrison via EV]

Sigh, good luck with that.

Can it be done? Probably.

What would it cost? A fortune.

Al



In places where grid capacity is limited, flywheel batteries can be deployed
to provide the powerful surge of electricity needed to recharge a car
battery quickly. The current produced is strong enough to charge a battery
in ten minutes, according to a promotional video by the startup.

With this technology, Chakratec hopes to make electric vehicle charging
stations commerically viable in rural areas—that is, cheaper to build and
operate where upgrading the grid for fast electric vehicle charging can be
prohibitively expensive.

A $4.4-million funding round announced Sunday will help the startup test its
energy storage system as part of three pilots with European electric
utilities.




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Re: [EVDL] Hb404

[Alan Arrison via EV]

Sounds like a disaster in the making.

You never want a relay to be energized to disable the charger.

But you already knew that.

Al


On 5/25/2018 9:38 AM, Steve Clunn via EV wrote:

This is a great meter at a good price but I have found one glitch that
people should know about when using this meter to turn off battery chargers
at a set voltage. The way the instructions show to hook the meter up
requires that the meter not lose power for it to hold the battery charger
relay in an off State. So if you lose your 12 volt power that powers the
meter it won't shut off the relay that you have controlling your battery
charger. If you configure it the other way so that when the relay in the
meter is on the battery charger is on then you constantly have the relay in
the meter on and drawing current. This is not so  bad a trade-off but adds
more to your 12 volt load.  if the relay that's turning your charger off is
also on the 12 volt system then having the 12 volt system go down may not
cause a problem as your relay that's controlling the charger will also
stop   but that said it is something to think about when you're setting
your system up. One could also set the meter up so that when the batteries
were fully charged and the meter relay turned off the charger that it also
turned off the power to the meter and then we wouldn't have that continuous
load on the system.   Steve clunn  with Greenshedconversions.com
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Re: [EVDL] EVLN: magnax.com Axial flux e-motors.be> More Powerful& Smaller

[Alan Arrison via EV]

Who wrote this drivel.

There is nothing new or innovative listed.

Some of the claims about cooling and efficiency sound suspect.

Al


On 5/15/2018 1:30 AM, brucedp5 via EV wrote:


http://revolution-green.com/new-axial-flux-electric-motors-pack-ev-power-smaller-package/
New Axial Flux Electric Motors Pack More EV Power In A Smaller Package
May 6, 2018  Agcat




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Re: [EVDL] EVLN: mankamemotors.com EP-1 e-Motorcycle.in r:500km ts:251kph

[Alan Arrison via EV]

Good luck with that. Not going to happen.

Al



Building an electric car with a range of 310 miles (500 km) is not such a
difficult task these days as far as batteries are concerned. The size of the
car allows for enough cells to be fitted so that the vehicles can have the
desired reach. Not the same can be said about electric motorcycles.




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Re: [EVDL] suspicious of a bad calb cell?

[Alan Arrison via EV]

You are aware that 3.00V resting is considered dead right?

Also, the 3C current rating is very optimistic. Drawing 216A for more 
than a few seconds is not good for life.


Even drawing 1C (72A) on a continuous basis will lead to a short life.

Since you are running a low voltage pack, I'm guessing you are drawing 
relatively high current.


Low voltage packs should use at least 100Ah cells and preferably 180Ah 
cells or higher.


Al


On 2/5/2018 10:20 PM, rash via EV wrote:

Hello, I recently upgraded my lead-acid EV conversion to lithium,
specifically 46 CALB 72Ah cells. I've been conservative in my bms settings,
not allowing any cell to go above 3.55V or below 2.6V (hopefully
"conservative" limits with calb-published limits of 3.65 and 2.5



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Re: [EVDL] EVLN: Halbach near-monopole e-motor> Focused Magnetics

[Alan Arrison via EV]

What a bunch of baloney. If a motor is already 95% efficient, how do you 
double its efficiency?


I'm sure the motor gurus on the list can shoot holes in this nonsense.

There are reasons motors haven't changed much in 100 years.

One, there isn't much room left for improvement, two, the laws of physics.

Al


On 2/10/2018 3:02 PM, brucedp5 via EV wrote:




Achieving Near Monopole Magnetic Fields
Catalan says conventional motors are a bit like incandescent bulbs. Like
photons from a light source, electric motors wastefully radiate magnetic
energy in all directions. Catalan says his motor is configured to act like a
laser, focusing nearly all the magnetic energy exclusively towards the
airgap to enhance power and efficiency. By harnessing this ‘near-monopole’
energy, Catalan says an electric vehicle using a production version of his
new motor would travel nearly twice as far as a conventional motor on the
same set of batteries. Conversely, his motor in its final form would provide
nearly twice as much power or torque as a conventional motor using exactly
the same amount of energy.




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Re: [EVDL] Solar trailer calculation

[Alan Arrison via EV]

I'll tell you, like many others have, again... it can't be done.



On 12/27/2017 5:47 PM, Lawrence Rhodes via EV wrote:

Hi all,
My math is good enough to figure out I get about my 30kw Leaf gets 4.5 miles 
per kw at 55mph more or less depending on wind.  What I'd like to know is what 
size solar panel would be needed to support that speed.  Now don't tell me it 
can't be done.  I just want to know the formula for figuring it out.  My puny 
brain exploded when I thought of all the variables.  I do know that a 3000 watt 
system would charge my car in 10 hours.  I would just like to know the numbers 
of what would be needed for continuous power at speed.  I guesstimated it would 
be about 1 watts.  I'd just like the exact number.  Thanks,  Lawrence 
Rhodes...the point is to build a teardrop solar range extender/RV that could 
charge while driving.
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Re: [EVDL] Advice on new battery pack

[Alan Arrison via EV]

3 modules in parallel is only 180ah at best, probably more like 150ah.

John, don't you have a Zilla 2K in the truck?

To pull even 1000 amps from those cells would be over 5C, let alone 2000!

Al


On 6/20/2018 11:53 PM, John Lussmyer via EV wrote:

On Wed Jun 20 19:00:25 PDT 2018 ev@lists.evdl.org said:

I should mention that a Leaf has 48 modules ina  pack.  So if you bought a 
whole pack, you could put 3 in parallel, and have a few extras.

That sounds like a good move. The Leaf pack is designed for high voltage
and low current. I'm not sure the modules would like 500a peak currents.
It would be better to divide that up between 3 parallel strings.

I think I'd also use a commoning diode and fuse per string. That way, a
failure in one string doesn't allow the other two strings to dump all
their power into it!

I used sets of 3 modules in parallel, with 40 sets in series on my truck.


--

Bobcats and Cougars, oh my!  http://john.casadelgato.com/Pets
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Re: [EVDL] EVLN: 4versions of Arcanum Batmobile> sliders4 desired EV power

[Alan Arrison via EV]

What a joke...

Al


On 7/30/2018 11:21 PM, brucedp5 via EV wrote:

Meet the 5,221-hp, 303 miles per hour, all-electric Alieno Arcanum. It
delivers the finest, brashest and most bizarre set of offers we have ever
found in a press release. Alieno’s first vehicle, if these claims are to be
considered, will immediately become the fastest, strongest and most advanced
production car on earth. Let’s check out a few of their eye-popping claims:

The Arcanum comes in four versions, from the 2,610-horsepower RP2 which
breaks out 5,221 hp and 8,880 Nm of torque. Alieno plans to utilize 6
modest, axial flux electric powered motors per wheel for a full of 24 motors
in the RP5, letting it swap motors on and off in the name of performance or
cooling. All motor has its own control. The vehicle will be all-wheel-drive
if you want, or you will get into what claims to be an enormous menu system
and use sliders to divide just how much power you desire to the front and
rear wheels to turn the mechanics up. It features 17 cameras, 1 LiDAR, 8
radars, an IMU, a GPS, among others.
[© gearnova.com]


{brucedp.neocities.org}

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Re: [EVDL] Lithium Ion buddy pairing? (Was electriccarpartscompany.com?)

[Alan Arrison via EV]

I guarantee that the inferior Chinese cells will change capacity as they 
are cycled and not by just a few percent.


Running them without a BMS is a recipe for disaster. Damaged cells at 
best, a fire at worst.


All the Chinese cells are junk, especially the CALBS.

Al




On 8/6/2018 7:48 PM, David Nelson via EV wrote:

On Tue, Jul 31, 2018 at 9:25 PM, Tom Hudson via EV  wrote:

Those two were ZERO VOLTS, and show ZERO OHMS resistance.

Is this a common failure mode of lithium-ions (or the CALB modules)?  I'm
thinking that I'd better set up some kind of fusing between the buddy pairs
because if one of the pair fails in this way, it's going to present a dead
short to its buddy -- and nothing good is going to come of that.

I don't know how common of a failure mode that is but I suspect it
could happen. If they were placed upside down (terminals facing down)
there is evidence that that has corroded the internal contacts to the
terminal bolts but that caused an open circuit situation, not a dead
short.

Internally the cells are made up of several layers which are
"buddy-paired" at the terminals. I put 20 buddy pairs of TS-LFP100AHA
cells in my Gizmo back in January 2010 and they are still going
strong. While the probability of any given cell failing goes up with
the number of cells I claim that a 200Ah cell made up of the same size
materials as the 100Ah cells would also have a higher probability of
failure. Definitely give each cell a cycle test and if you have the
time a capacity test. I would recommend that you then pair them up
where the capacity of the pairs ends up being nearly identical. I did
a rudimentary version of this for my Gizmo and it has worked out just
fine.

Some claim that you have to have the cells at exactly the same SOC
before connecting the buddy pairs. Theoretically this doesn't make
sense and I have also tested it and practice shows it really doesn't
matter. As long as their voltages are similar the initial current
isn't that great. Somewhere in the EVDL archives I posted the numbers
from one of my tests of this. IIRC it maxed at ~100A for a second or
so and quickly dropped to below 20A or so. Charging the cell pair to
3.4V or discharging to 2.8V or so brings the two cells in line with
each other.

The 100% SOC resting voltage of LFP cells from CALB and TS is 3.38V.
Make sure you aren't hammering the cells with 3.6+V on every charge
trying to equalize them. A good set of cells doesn't drift that fast.
I have been running my pack top balanced without attached BMS boards
for several years with no issues. I recently sold the Gizmo and I
don't trust the new owner to be able to be the "human BMS" so I am
going to be reinstalling the BMS boards I have. Furthermore, it is an
unknown how much the cells will drift as they age. They have been fine
so far but I'm not driving it now so can't do my annual voltage check.
I've been charging to 3.465V/cell with my Zivan chargers and the
resting voltage with no load after 12hours has been 3.36V so I know
I'm not overcharging them.

HTH,



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Re: [EVDL] EVLN: $50k 2020 Rivian Premium Pickup EV made in Normal-IL

[Alan Arrison via EV]

Good luck, You'll need it.

500 million is a drop in the bucket.

Al


On 8/20/2018 1:17 AM, brucedp5 via EV wrote:


https://www.wardsauto.com/alternative-propulsion/rivian-nearing-launch-premium-ev-pickup-suv
Rivian Nearing Launch of Premium EV Pickup, SUV
Aug 15, 2018  Joseph Szczesny

[image
https://st.motortrend.com/uploads/sites/5/2018/05/Rivian-Battery-Lab-3.jpg
]

Rivian plans to launch an all-electric five-passenger pickup truck in 2020,
followed by a seven-passenger SUV. The company has said the vehicles will
cost between $50,000 and $100,000.




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Re: [EVDL] Roland Wiench

[Alan Arrison via EV]

Roland always answered newbie questions that he had probably answered 
many times before.


Rest in  peace Roland.

Al


On 8/20/2018 6:29 PM, EVDL Administrator via EV wrote:

If youi've been on the EVDL for a while, you probably remember reading posts
by Roland Wiench.  He gave us a lot of them -- over 4,100.  His first post,
about LRR tires, seems to have been in November of 2003.  He posted several
times in late 2016 and early 2017, then one last time in May of 2017.

You can read many of his posts in the archive.  He's also quoted in an EVDL
library article, http://www.evdl.org/pages/battpost.html

I realized recently that I hadn't read anything from him in quite a while,
so I did some investigation.  I'm sad to report that Roland passed away on
the 16th of March this year.  The obituary is quoted below.



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Re: [EVDL] EVLN: 7.2k orders.eu4 $13.6k micro-mobility.com(Isetta) r:133mi (v)

[Alan Arrison via EV]

Yeah right 8000/74=108wh per mile.

maybe at 10mph. Motorcycles don't even do that good.

Al



The Microlino will offer two different lithium-ion battery sizes: an 8-kwh
unit is good for 74 miles, and a 14.4-kwh version will cover 133 miles.

The company says charging will take four hours.

Either way, the Microlino is strictly a city car, with a top speed of 55 mph
from its 20-hp electric motor.

  http://evdl.org/archive/


{brucedp.neocities.org}

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Re: [EVDL] Roland Wiench

[Alan Arrison via EV]

I wonder what will happen to his EV?
It would be ashamed to just scrap it.

Al

On 8/23/2018 4:49 PM, Evan Tuer via EV wrote:

That's sad news. I always got a kick out of reading about his one-of-kind
EV and the engineering that he put into it.
He seemed like a good guy, always willing to share his knowledge.

On Mon, Aug 20, 2018 at 11:30 PM EVDL Administrator via EV <
ev@lists.evdl.org> wrote:




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Re: [EVDL] EVLN: 400kW (1080mph) EVSE new2 GM> (not new-tech 2others)

[Alan Arrison via EV]

Like a lot of the "new technology" posts, a bunch of PR mumbo-jumbo.

Each charger would require its own electrical substation.

Efficiencies are already near theoretical limits.

Notice the time frame is in the vapor-ware realm.

And just what is a solid state transformer?

Sheesh, Al


On 9/6/2018 1:25 PM, brucedp5 via EV wrote:


http://www.msn.com/en-us/news/msn/gms-new-charging-technology-to-allow-for-180-miles-of-range-in-10-minutes/ar-BBMIF9t
GM's New Charging Technology to Allow for 180 Miles of Range in 10 Minutes
September 1, 2018  Rob Stumpf

[images
https://img-s-msn-com.akamaized.net/tenant/amp/entityid/BBMIHZJ.img?h=351=624=6=60=f=f
  / Getty Images

https://img-s-msn-com.akamaized.net/tenant/amp/entityid/BBMISW4.img?h=355=624=6=60=f=f
  / TIME
]

Electric cars have one large disadvantage when placed side-by-side with
their traditional gas-powered rivals: the time it takes to refuel. General
Motors has begun a new partnership with Delta Americas to develop a new
technology which will charge its upcoming fleet of electric cars in record
time.

General Motors said it is readying a fleet of 20 electric cars that will be
capable of utilizing the newly developed chargers, enabling its vehicles to
rapidly recharge their batteries and provide up to 180 miles of range in
just 10 minutes. Its partner in the deal, Delta Americas, expects to have
the final prototype of its Extreme Fast Charger (XFC) ready by 2020, and GM
expects to have its fleet of vehicles ready only three years later, by 2023.

The new XFCs are set to outpace both Tesla's Superchargers, which can
provide current-generation cars with up to 120-kilowatts of power, as well
as Porsche's new 350-kW chargers, by providing an unheard of 400 kW of
electricity to the vehicles. The new technology, developed with partner
Delta Americas and sponsored by the U.S. Department of Energy, is able to
provide a staggering 96.5 percent grid-to-vehicle efficiency, a three
percent increase than current technology, partly thanks to the use of
solid-state transformers.

“We’re thrilled to lead such an important project and have a stellar team of
researchers and partners in place that are more than ready to take on the
challenge of setting a new standard for EV fast charging,” said M.S. Huang,
president of Delta Americas'. “By utilizing solid-state transformer
technology, we have the opportunity to create unprecedented charging speed
and convenience that will ultimately help support the DOE’s strategic goal
of increasing EV adoption across the nation.”

The numbers quoted by GM and Delta Americas are theoretical, of course, and
are contingent on what is considered to be "tomorrow’s long-range EVs," or
vehicles that will provide up to 360 miles of range per charge. As batteries
possess a higher charge, they become increasingly difficult to recharge,
meaning that it takes less time to charge a battery from zero-to-50 percent
than from 50-to-100 percent. Delta Americas believes that its current
technology will recharge a next-generation 360-mile range battery to 50
percent in the rated 10 minutes, though they do not specify battery
capacity.
[© msn.com]



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Re: [EVDL] EVLN: PNNL’s EV Battery: 7x Longer Lifespan, 2+* Longer Range

[Alan Arrison via EV]

Sigh, more miracle batteries.

:-/



On 4/8/2018 4:24 AM, brucedp5 via EV wrote:


https://www.greenoptimistic.com/pnnl-ev-battery-lifespan-range-20180402/
PNNL’s New EV Battery: 7x Longer Lifespan, 2 to 3 Times Longer Range
April 2, 2018  Janina Lazo-Cruz




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Re: [EVDL] EVLN: Sion Power’s Licerion Li-Battery for e-plane Aviation (v)

[Alan Arrison via EV]

Double sigh, another miracle battery.

:-/


On 4/8/2018 1:12 PM, brucedp5 via EV wrote:


https://cleantechnica.com/2018/04/02/is-sion-powers-licerion-lithium-battery-what-the-electric-aviation-world-has-been-waiting-for/
Is Sion Power’s Licerion Lithium Battery What The Electric Aviation World
Has Been Waiting For?
April 2nd, 2018  Nicolas Zart




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Re: [EVDL] EVLN: 3D Printed Hackrod& Siemens Fun AI, VR Electric Roadster (v)

[Alan Arrison via EV]

Who is "we"?


On 4/16/2018 4:08 PM, Bill Woodcock via EV wrote:



On Apr 16, 2018, at 10:24 AM, EVDL Administrator via EV  
wrote:

What's the problem with Siemens?

The small problem is that their motors have lousy thermal efficiency, and even 
lousier thermal dissipation.  Nonetheless, they’re inductive, and there weren’t 
a lot of other non-PM options at the time I was first shopping.  And they’re 
not so bad that you wouldn’t use them, just bad enough that you wouldn’t choose 
them now that there are better options.

The big problem is that they try to “pick favorites” among their customers, and 
choose one among several that are competing with each other, and try to 
bankrupt the rest.  That’s been particularly obvious in the aviation space, 
after they decided that Airbus was their customer-of-choice, and all of their 
other longstanding customers would suddenly have deals revoked or not honored.

With us, they were very buddy-buddy and sending biz-dev folks around to try to 
pile on additional deals, while ignoring Azure Dynamics, and refusing to sell 
them hardware they were happily shipping to us.  Azure Dynamics went bankrupt.  
We bought most of the remains.  Then Siemens decided they didn’t like us, and 
refused to send software that was already contracted _and paid for in full_, 
and said “sue us…  in Germany.”  The problem with that being that they’re 
essentially immune from lawsuit in Germany, and German law puts the full cost 
of the defense of an unsuccessful lawsuit onto the plaintiff.  So Siemens just 
throws their own staff counsel at it, running up the bill as quickly as they 
can, until the plaintiff bails out because they can’t afford to pay for both 
sides of the case.

So we’re out less than a half-million in the actual cost of garbage inverters 
and such that couldn’t be used without the software they never shipped, but 
lost several million more, and probably three years of time in the friction of 
trying to deal with them.  We’d have been far, far better off if we’d never 
heard of them, and just started our process three years later, after there were 
more component suppliers in the market.

And that story is pretty typical of people in the EV space who’ve tried to deal 
with them.  The only success I can think of off-hand is the original Ford 
Ranger; Ford’s big enough and canny enough not to get taken.  But you didn’t 
see them wanting to deal with Siemens directly again, either.

To my observation, German business culture is just really, really corrupt.  
Siemens is constantly getting investigated for different kinds of fraud, and 
the whole dieselgate thing seemed very typical to me.  We’re sticking with 
suppliers in the US and Japan and the Netherlands and so forth, going forward.

 -Bill



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Re: [EVDL] EVLN: The physics of slapping solar panels on cars

[Alan Arrison via EV]

The numbers don't add up for solar panels on automobiles, never have, 
never will.


This has been proven time and time again.

There is no way it gets even 20 miles per kWh under anything but perfect 
conditions and slow speeds.


And the energy from the panels again is under perfect conditions.

It is so light because it has almost no crash protection.

Al



On 10/21/2018 3:09 PM, Larry Gales via EV wrote:

When I look at the Stella Lux and Stella Vie, I get very different results
from the negative views of solar powered cars.  I start with the assumption
that the Dutch students who have won most of the solar car records are not
actually lying.  So, the specs for the 4 passenger Stella Lux include these:



Length

178 inches

Width

69 inches

Height

44 inches

Weight

826 pounds

Battery Capacity

15 kWh

Motor Efficiency

97 percent

Range on sunny day (Netherlands)

621 miles

Range on sunny day (Australia)

683 miles

Range at night (on battery)

403 miles

Top Speed

77 mph



So, if the range at night is 403 miles and the battery is 15 kWh, that
translates to 26.8 miles/kWh.  Let us suppose that is under ideal
conditions, and that a more realistic value is 20 miles/kWh.  The solar PV
array is 1.5 kW, so a more realistic value under real world conditions is
0.75 kW.  In Seattle, where I live, which has about the worst solar
potential in the USA, the average solar intensity in July is 6.3 sun hours.
So, (0.75 * 6.3 * 20) = 94.5 miles.  If we usually travel only 40
miles/day, I could easily see traveling 200 miles on accumulated solar
energy, after, say, a week of 40 miles/day travel.  And given that 5
months/year we average over 60% of the July values we can travel about 60
miles/day just on stored sunlight from the car.  And the 5 passenger Stella
Vie is just as efficient.

On Sun, Oct 21, 2018 at 12:09 AM brucedp5 via EV  wrote:



https://qz.com/1423288/why-dont-we-have-solar-powered-cars-physics/
The physics of why we don’t have solar-powered cars
October 15, 2018  Michael J. Coren

[image
https://cms.qz.com/wp-content/uploads/2018/10/image1-e1539387897807.png
The Sono Motors Car
]

The nuclear furnace at the center of solar system powers almost everything
on earth. Photosynthesis, wind, and even fossil fuels (once decomposed
living matter) all derive in some way from the star we call the Sun.

So why isn’t it enough to power our cars?

It’s all about energy density: how much energy falls on a surface relative
to how much is consumed. We can have solar powered e-bikes that cover
thousands of miles, sailboat drones that cross oceans, even ultra-light
aircraft that circumnavigate the globe. What do they have in common?
They’re
all very light, slow, and consume a trickle of electrons. Solar panels
generate just enough electricity to keep them moving.

For anything weighing thousands of pounds, like a car, the energy equation
is daunting. A few intrepid carmakers are slapping solar panels on their
vehicles anyway. Few have gotten very far. The German startup Sono Motors
is
adding 330 integrated solar cells on the roof, sides, and rear to give its
vehicle a 30-km boost out of a 250-km (155-mile) battery range. Meanwhile,
Dutch startup behind LightyearOne claims its electric car will “charge
itself.” Although it has yet to unveil a vehicle, potential customers can
put down deposits for a €119.000 ($157,000) car promising to travel 10,000
to 20,000 km per year (6,200 to 12,400 miles) on its solar panels alone.

The Sono Motors Car

Will it work? Don’t bet on it, says Jeremy Michalek, a professor of
mechanical engineering at Carnegie Mellon University and director of its
Vehicle Electrification Group.

Quartz asked Michalek to estimate how far the best solar panels could
propel
a typical electric car on the market. He broke down the math for us.

Michalek says about 1 kilowatt (kW) of solar energy falls on a square meter
of the Earth’s surface on a clear day. That’s all the solar energy
available
to collect. For a company like Sono, which says it can convert about a
quarter of that energy into electricity (although that’s very optimistic),
a
full site of panels might generate roughly 8 kilowatt hours of energy per
day (a best-case scenario with four square meters of solar panels).

Michalek says that’s enough to drive a car like the comparable Nissan Leaf
about 25 miles. But there are many reasons (clouds, poor panel positioning,
dirt), this number will rarely be reached. As for LightyearOne and its
claims that you’ll never need to charge your car in the future? The odds
are
tough. The maximum conversion rate for cheap silicon cells to turn sunlight
into electricity is just under 33%, and more exotic materials that achieve
44% efficiency are far too expensive for mass production. Without a
revolutionary breakthough in solar panel technology, cars that can recharge
themselves with the sun alone remain fantastical.

Does that mean putting solar panels on cars is always a bad idea? Maybe
not.
A sunny 

Re: [EVDL] EVLN: $20/100mi sparkcharge> L3 recharges @1mi/min (v)

[Alan Arrison via EV]

Wonderful, waste more energy delivering energy to an EV.

I suppose it would be fine if you were at 0% with no chargers around.



On 10/30/2018 11:31 PM, brucedp5 via EV wrote:


https://www.forbes.com/sites/jeffkart/2018/10/24/charging-an-electric-vehicle-with-sparkcharge-as-easy-as-ordering-a-pizza/#106856fa4c65
Charging An Electric Vehicle With SparkCharge: As Easy As Ordering A Pizza
2018-10-24  Jeff Kart

[image
https://thumbor.forbes.com/thumbor/960x0/https%3A%2F%2Fblogs-images.forbes.com%2Fjeffkart%2Ffiles%2F2018%2F10%2Fsparkchargeblrd-1200x800.jpg
SparkCharge electric vehicle buffalo
One of the SparkCharge units in action.SparkCharge





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Re: [EVDL] EVLN: 400kW Wireless-EVSE ornl.gov goal> 97%-efficiency 6"-gap

[Alan Arrison via EV]

They got one thing right...


On 10/30/2018 11:49 PM, brucedp5 via EV wrote:

It is the stuff of sci-fi novels




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Re: [EVDL] AM radios dropped from plugins (RFI, EMI, +)> (go digital)

[Alan Arrison via EV]

Hmm, that brings up a question.

Do automobiles (electric or otherwise) have to pass any FCC regulations 
regarding RF emissions?


Al


On 11/9/2018 8:29 PM, Lee Hart via EV wrote:

Roger Stockton via EV wrote:

Hmm, maybe cost savings of putting a grounded shield around the motor
and controller. For the AM radio, what could the cost be? $1.00?


Good point; perhaps the real cost savings isn't the radio itself, but 
that its absence allows them to cut corners (and cost) elsewhere on 
EMI measures?


That said, my conversion doesn't need shielded conductors or a shield 
around the controller in order for AM to be perfectly usable, so I'm 
not sure where they would cut costs such that they needed to 
eliminate AM capability to "hide" their cost saving measures?  
Commercial EVs pretty much always have the controller in an aluminum 
enclosure, so it should be largely shielded for "free"; I doubt we'll 
see controllers in plastic boxes very soon ;^>


That's been my experience as well. The AM radio in my LeCar EV 
conversion works. It has a classic ADC series motor, Curtis 1231C 
controller, and normal non-shielded wiring. There is some noise on 
weak AM stations, but they still work.


Now, if the modern factory EVs are using much faster switching edges 
in their controllers, there could be a lot more noise.




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Re: [EVDL] EVLN: 45 li-ion battery-making gigfactories around the world

[Alan Arrison via EV]

This is nonsense. The Chinese CALB cells cost more than ever.

(Yes, i realize they are talking about cells for production vehicles)

They won't go down either.

Al


On 10/9/2018 11:02 PM, brucedp5 via EV wrote:


https://stockhead.com.au/tech/battery-prices-are-plunging-and-that-could-drive-an-electric-car-industry-in-australia/
Battery prices are plunging and that could drive an electric car industry in
Australia
October 5, 2018  Rachel Williamson

[images
https://stockhead.com.au/wp-content/uploads/2018/10/Ev-rubbish-truck.jpg

https://stockhead.com.au/wp-content/uploads/2018/10/Ev-retrofit-truck.jpg
]   

The cost of lithium batteries could drop up to 95 per cent in the next
decade, leading to a dramatic expansion in opportunities related to electric
cars, says the boss of one of Australia’s newest electric vehicle companies.

Right now batteries are among the most expensive components in electric
cars. That’s been a major drag on sales — and has limited the market for
batteries and related materials.

But that’s about to change says Tony Fairweather, managing director of
Melbourne electric vehicle (EV) retrofitter SEA Electric.

SEA Electric retrofits commercial trucks and vans to electric power.

Smaller, cheaper and more energy-dense batteries mean Mr Fairweather’s
business can retrofit an increasing variety of vehicles.




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Re: [EVDL] EVLN: magnix.aero oil-cooled e-motor for Iron-Bird Cessna

[Alan Arrison via EV]

More techno-babble. Electric motors are already near their theoretical 
limits.


I bet the power to weight number doesn't include the weight of the 
cooling system.


Al


On 9/30/2018 6:27 AM, brucedp5 via EV wrote:


https://www.wired.com/story/magnix-electric-plane-motor/
A Better Motor Is the First Step Towards Electric Planes
2018-09-27  Jack Stewart

[images  /  magniX
https://media.wired.com/photos/5babccc8a2e356302119fb6b/master/w_582,c_limit/Electric-Plane-Motor-TA.jpg
Magnix is testing its new electric motor with a three-bladed aircraft
propeller, spinning on the front of a Cessna “Iron Bird” test frame

https://media.wired.com/photos/5babcd14f8a2e62d0bd5c487/master/w_532,c_limit/magni500-750SHP-motor.jpg
Magnix integrated an oil-based liquid cooling system into its motor, to get
rid of excess heat, which the thin air at thousands of feet up doesn't carry
away
]

In a white and grey laboratory, where neat runs of orange cables on the
walls provide a relief of color, a three-bladed propeller spins on the front
of a Cessna “Iron Bird” test frame. It’s eerily quiet, free of the buzz you
expect from a propeller-propelled aircraft. Just the whoosh of air, like a
ceiling fan spinning at full speed. It’s slow at first, then faster, to the
point that the blades blur out of vision, and only the bright chrome center
cone is visible, as engineers at the Magnix Systems Integration Laboratory
on Australia’s Gold Coast push the rig, before powering it down to a silent
stop.

This is the start of airframe tests for a new motor, designed for the coming
era of electric aviation. It’s a 350-horsepower machine that weighs just 110
pounds. But Magnix's engineers focus on a different metric. “We were able to
achieve 5 kW per kilogram,” says CEO Roei Ganzarski, about double the power
to weight ratio of a Tesla motor. In a car, that balance is less important.
At worst, a few extra pounds will add a bit of time to a 0 to 60 mph sprint
or knock a few miles off the car's range. But in a plane, the ongoing fight
with gravity demands low weight coupled with high power. “If a plane doesn’t
have the power to weight ratio that it needs, it simply won’t take off ,”
Ganzarski says. "It becomes a safety issue."

And just as automakers are coming around to the idea of electric drivetrains
being more efficient, quieter, and more flexible, the aerospace industry is
doing the same. Companies like Zunum, Eviation, and even NASA with the new
X-57, are all exploring the idea of replacing engines, and eventually jets,
with electric motors. Aviation is a significant, and growing, global
contributor to climate change. Flying accounts for 12 percent of US
transportation greenhouse gas emissions. Electric planes could run much more
cleanly, using energy from renewable sources. They could also cut down on
airline's jet fuel bills, which can run up from 10 to 50 percent of their
operating costs.

Magnix was founded in 2009 as an R firm working on all electrical motors,
and has headquarters and another engineering facility in Redmond, Washington
to go with its Australian outpost. It recruited talent from Airbus, Boeing,
Tesla, and Pratt and Whitney, and quickly decided that it didn’t need to be
limited to research—it could build what it takes to make these flying
visions a reality.

That meant tackling the bit that puts the plane in the air, which involves
challenges beyond the power to weight issue. In a car, engineers can rely on
air for at least some cooling effect, but that doesn't work at thousands of
feet up, where the air is thin. So Magnix had to design and integrate an
oil-based liquid cooling system into its motor, to get rid of excess heat.
It’s also had to design its machine to be able to meet the rigorous
requirements that getting safety approved for flight entails, with a close
eye on materials and structural integrity. Failing in midair is a lot more
serious than breaking down by the side of the road.

“We haven’t invented any materials, nor how an electric motor can work, but
we’ve put together the combination of what materials to use, in what
configuration of coils, magnets, and liquid cooling to allow us to provide
that power-to-weight ratio,” Ganzarski says.

The airframe tests, where the motor has been bolted into the place a
fuel-belching engine would usually sit, in the chopped-off front of a
Cessna, will run for over 1,000 hours. Engineers are taking readings of the
way the motor behaves, the torque it develops, and the temperature it runs
at, starting with gentle runs from 100 to 500 rpm. Next come endurance tests
and runs that mirror how the motor would be used on a flight, with high
power demand at takeoff, some climbing, cruising, and descent.

Ganzarski expects to move from the lab to real flight tests in about a year.
At the same time, his team is working on a range of motors for other
applications. Planes of the future might not have just one propeller at the
front, they might have rows of motors and fans along 

Re: [EVDL] EVLN: How solid state batteries are different> ($trolling?)

[Alan Arrison via EV]

The usual BS.

On 10/10/2018 11:10 PM, brucedp5 via EV wrote:


https://dividendpassiveincome.blogspot.com/2018/10/worlds-first-super-battery-prototype.html
World's First Super Battery Prototype Successfully Developed- Electric Car
Revolution Coming Up and Sunset Industry for Oil and Gas Companies!
6 October 2018  Blade Knight



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Re: [EVDL] FW: 12v Inverter in Trunk of Volt

[Alan Arrison via EV]

Are you sure the DC/DC converter in the car can supply the 80+ amps 
needed for 1KW?


Al


On 10/1/2018 10:14 AM, Robert Bruninga via EV wrote:

Subject: 12v Inverter in Trunk of Volt

I found that a 1 kW or larger 12v inverter to 60 Hz 120v easily fits in the
left rear corner pocket in the Volt.
Just cut the existing panel cover hole larger in the plastic and then
fashion a new cover.

See photo:  http://aprs.org/Energy/Energy-images/Volt-inverter-bothX.jpg

I didn't bother with a cover immediately, since the black base of the
Inverter matches the black plastic trim.
But eventually, I will add a hinge at the bottom so it can look more
professional and hinge out for use.

This is a 2013 Volt and a Xantrex Pro 1 kW inverter.  The tight points are
in the lower right and upper left.  That is why it is tilted a bit.
Turns out, if I had cut another half inch or so on the left, then it would
tilt lower and be horizontal and also clear the tie-down in the upper left
too.

It also has to tilt out for access to the rear fuse panel behind the
inverter.

And there is no metal interference all the way to the edge of the lower left
tie point.  The upper tie point is just plastic.

If I was to do it over again, and since one has to fashion a new cover plate
anway, I would cut the hole another 1.5" wider than shown and several inches
higher if you are willing to give up the plastic tie point.
There is lots of room in there, why waste it.  I have sketched where I would
cut here:
http://aprs.org/Energy/Energy-images/Volt-inverter-cut-line.jpg

When stowed in the left photo, a single screw in the base plate into the
plastic in the upper left holds it in place.
Bob
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Re: [EVDL] EVLN: 500kw/670hp Audi PB18 E-Tron e-racer 0-60mph:2s

[Alan Arrison via EV]

Is this another vapor-ware computer generated image?

On 9/23/2018 5:26 AM, brucedp5 via EV wrote:


https://www.udi Unveils Its Newest Electric Sports Car, the PB18 E-Tron
9/10/2018  Laura Burstein

[images
https://img-s-msn-com.akamaized.net/tenant/amp/entityid/BBN9vGr.img?h=352=624=6=60=f=f
© Photo: Courtesy Audi AG. The looks like something out of the future with
its shooting-brake-style silhouette, voluptuous lines, and blistering
performance

https://robbreport.com/?post_type=pmc-gallery=2816230
Gallery: The Audi PB18 E-Tron Concept
]

Near the end of last month, at the famed WeatherTech Raceway Laguna Seca in
Monterey, Calif., Audi unveiled the PB18 E-Tron, a new, all-electric sports
car that promises to break barriers in the realms of both design and
technology. Described by Audi executives as “a cross between a supercar like
an R8 and a sportback,” the track-worthy racer looks like something out of
the future with its shooting-brake-style silhouette, voluptuous lines, and
blistering performance.




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Re: [EVDL] Watt-if: Remote L3 recharging service (Can this be provided?)

[Alan Arrison via EV]

How damn lazy can you get?


On 1/15/2019 9:33 PM, brucedp5 via EV wrote:


% The newswire item below is not about EVs. Its about an ice service that
will come out in a service ice-pu-truck and refuel your non-EV.
My point in posting this is what would it take to create a service like this
for EVs?  Below are links on how this might be accomplished.

Imagine for an app fee, a service vehicle would come to your EV and provide
it a level-3 (L3) charge. There are likely other services that could also be
provided (see yoshi's site) but IMO the biggest need is getting a charge.

L2 is too slow. With 250+mi EVs, even half-powered L3-25kW would likely take
too long for the service truck to make its daily appointment rounds. A 40+kW
L3 service truck would be a minimum charging power.

A quick way to slap this together is what AAA did (see links below), with a
30kW genset in the back of the pu-truck providing 15-20kW. I had first had
experience of this
http://brucedp13.20m.com/eaasvr2013/
  at a Silicon Valley NDEW Rally (see bottom of page).

Another more efficient design would be to use the PTO (power take off) from
a truck's ice to power a 60kW generator for a dual CHAdeMO & ccs L3 EVSE.

Either generator could run off either bio-diesel, cng or LPG (bio-sourced,
cleaner) fuels. I think this L3 recharge service would be useful. %



https://www.wkyc.com/article/news/imagine-being-able-to-avoid-pumping-gas-ever-again-and-were-not-talking-about-electric-cars/95-a90cc94f-1d85-435a-9fc7-443defe479f1
Imagine being able to avoid pumping gas ever again? And we’re not talking
about electric cars!
January 11, 2019  Danielle Serino

[video  flash
https://media.wkyc.com/embeds/video/95-da8b6a7d-374e-4c2d-bd9b-e484f5dd3ad3/iframe
]

A new company will bring fuel right to you, plus deliver a number of
competitively priced car services.

We're all strapped for time these days.

Sometimes, that means putting off getting your car serviced. Or maybe
waiting until the last minute to fill up your gas tank.

But a new service, co-founded by Nick Alexander from Kent, is bringing the
garage directly to you.

And it’s something Northeast Ohio resident Susan Kennedy jumped on. Not only
does she hate standing outside in the cold pumping gas, she doesn’t have the
time to do it.

"I work full time. I have 2 kids. And I pick them up from a grandparent each
night. So, I don't really want to have to stop at a gas station if I don’t
have to," she says.
  
That’s why she subscribed to Yoshi, which in Japanese means ‘Good Luck. Keep

Moving’.

For $16 dollars a month, she gets regular or premium gas delivered right to
her car, wherever she wants and as often as she wants.

The cost per gallon? The same as the lowest priced station in her zip code.

And Yoshi Co-Founder Bryan Frist tells us, "We're the cheapest, but probably
the highest quality. One of our largest investors is Exxon mobile. And when
they invested, we committed to carrying only their Top Tier Synergy fuel."

Now, if that's not enough to get your engine going, the price per gallon
drops if you get additional services.

They have a number of a la carte offerings: Everything from interior and
exterior car washes, to a complete detail, which earns you a free tank of
gas.

And if you need maintenance, they can do things like change your oil, even
replace worn wiper blades.

"Let's say you get your tire checked, for example, you get 20 cents off your
per gallon price," Frist explains.

The company claims its average customer saves $240 dollars on gas per year,
and gains back about 33 hours of time.

Frist says, "You can imagine the last time you went to get your oil changed,
you’re sitting inside a grungy room waiting. All that time you can get
back."

And anything that keeps Susan from hitting empty at an inopportune time is
worth it.

"At the very beginning I was given a $25 credit. So, that I would get $5
dollars off every tank of gas I got. So, the first month I was making money
and I still haven't pumped gas."

The company is offering a 30 day free trial. New customers get a $50 credit,
which is basically $10 off your first 5 fill ups.

And here’s a fun fact. All of their trucks are named for people involved in
the business. That includes one called Kevin, for NBA star Kevin Durant.

Yoshi operates in 20 cities across the country and plans to expand. They
also have corporate clients who offer Yoshi as a benefit to their employees.

For more information, click here: https://www.startyoshi.com/
[© wkyc.com]


https://electrek.co/2016/09/06/aaa-ev-emergency-charging-truck/
AAA says that its emergency electric vehicle charging trucks served
“thousands” of EVs without power
Sep 6, 2016 - AAA says that its emergency electric vehicle charging trucks
served ... The service ... AAA has been ahead of the curve with its
emergency electric vehicle charging service, which has been available since
2011. Seeing EVs as the future, the organization is sticking with the
program despite the 

Re: [EVDL] EVLN: Ford F-150 e-Truck promised

[Alan Arrison via EV]

It's not. Any full size pickup with decent range and power would cost a 
fortune.


Come to think of it, ICE trucks already cost a fortune. :-/



On 1/22/2019 9:21 AM, Christopher Darilek via EV wrote:

  Has anyone seen what capacity battery they plan to use? IMO this is the 
reason we haven't seen a successful EV truck yet. The bigger the vehicle the 
more battery you'll need and it becomes cost prohibitive. Is this the elephant 
in the room? Like the Rivian, it has a battery that is 5% larger than Tesla's 
biggest EV battery and they plan to sell it for something like 20% less than 
the same Tesla. How's that going to work?

-Chris
https://news.yahoo.com/electric-ford-f-150-pickup-16491.html
An All-Electric Ford F-150 Pickup Truck Is Happening
January 17, 2019  Joey Capparella (Car and Driver)

   
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Re: [EVDL] EVlawsuit: No car could have withstood this 116mph crash> NTSB shutdown

[Alan Arrison via EV]

Anti-EV hogwash anyone?

On 1/10/2019 1:50 AM, brucedp5 via EV wrote:


% ? Maybe rich parents should have spent time teaching their children
right-from-wrong-behavior> obey speed limits ? %

https://boingboing.net/2019/01/09/tesla-sued-for-death-of-18-yea.html
Tesla sued for death of 18-year-old in car accident, defective battery
blamed
2019-01-09  Reuters

[image]  Elon Musk, CEO of Tesla, with a Model S car. Photo: Reuters, 2016

In Illinois today, a law firm announced they are filing a lawsuit against
Tesla to hold the electric car maker accountable for a teen who died in an
accident involving a car they say had a defective battery pack.

The lawsuit filed by Chicago firm Corboy & Demetrio claims Tesla's 2014
Model S sedan had a defective battery pack that was responsible for the
death of an 18-year old passenger in an accident last May.

Some 12 cases of Tesla S batteries spontaneously bursting into flames, while
parked or driving out on the road, have happened in the last five years, the
law firm says.


Elon Musk's electric car company has been in the news over the past year or
so with stories that raise concerns about the conditions in which these
Tesla batteries are produced.

There's also the whole thing about a Mexican drug cartel dealing meth inside
one of the factories where the batteries are made.




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Re: [EVDL] EVLN: $50k flying EVs over San_Francisco-CA next year

[Alan Arrison via EV]

Does anyone believe this nonsense?

Al

On 12/28/2018 6:26 PM, brucedp5 via EV wrote:


https://www.timesofisrael.com/husband-and-wife-duo-sets-sights-on-flying-cars-over-san-francisco-next-year/
Husband-and-wife duo sets sights on flying cars over San Francisco next year
25 December 2018  Federico Maccioni

[image
https://static.timesofisrael.com/www/uploads/2018/12/28-1-e1545231057248.jpg
Illustrative detail image of a vehicle from New Future Transportation.
(Courtesy)
]

New Future Transportation (NFT) is developing an electric car prototype with
wings that aims to solve congestion and also be affordable at $50,000

You start the car, pull out of the parking lot and hit the road. So far — a
routine trip. Now, select flight mode. A pair of wings comes out of the
sides of your vehicle and you take off for your destination.

Like the cars in Ridley Scott’s masterpiece “Blade Runner” flying over a
dystopian Los Angeles of 2019 [
https://www.youtube.com/watch?v=NRXifdYkWvY
], the prototype of the vehicle being developed by Silicon Valley-based New
Future Transportation [
https://www.nxtft.com/
] (NFT) is theoretically set to sail the skies of the Bay Area in October
next year.

“Our mission is not transportation, but better quality of life,” said NFT
chairman Guy Kaplinsky, an Israeli who, with his wife Maki Kaplinsky,
designed the car.

The two entrepreneurs live near Palo Alto, about 50 miles from San
Francisco, because “houses are more beautiful and cheaper” than in the
metropolis, they said. However, for people who need to get to work near the
Golden Gate Bridge, it takes as much as two and a half hours by car, because
of traffic congestion.

[image]  Maki Kaplinsky, a co-founder of New Future Transportation, NFT Inc.
(Courtesy)

According to a study by inrix.com, people in the San Francisco area spent on
average 79 peak hours stuck in traffic in 2017, ranking the city the third
out of 297 cities in the US and fifth out of 1,360 urban centers around the
world in driving time spent in congestion.

Kaplinsky said their competitively priced flying vehicle will allow users to
save time and money.

The flying car prototype will be a zero-emission multimodal vehicle — that
can both drive and fly — the size of a sport utility vehicle (SUV), with two
or four seats. It will take off and land vertically, and its wings will
retractable, not fixed, the two entrepreneurs explained.

“We made our design flexible” by creating a sort of hybrid system, CEO Maki
Kaplinsky said.

The base of the vehicle is electric, with a built-in extended range
generator. Maki Kaplinsky said that with this combination the vehicle’s
target flying range of 300 miles (480 kilometers) and driving range of 100
miles (160 kilometers) will be “feasible and economical.”

The aim is to use just batteries in the future, the entrepreneurs explained,
without a generator. However, they said, batteries allowing for such ranges
are yet to be developed and it is difficult to predict when this
breakthrough will take place.

The vehicle will be able to be either piloted or fly autonomously, said Maki
Kaplinsky, adding that US regulations allow flight at a height of 300 to
5,000 feet, even if in practice it is able to fly above and below this
range.

User-friendliness is the main feature of NFT’s projected flying car, which
makes it stand out among other kinds of flying vehicles, the husband and
wife said.

[image]  Guy Kaplinsky, the co-founder and chairman of New Future
Transportation, NFT. Inc (Courtesy)

Maki Kaplinsky underlined that while drones and other electric aircraft
require specific spots for parking and charging, NFT’s flying car can be
parked in a garage or in the street. More importantly, she added, the
vehicle’s “drive and fly” ability will allow users to reach their final
destination using just one vehicle.

Asked about technical issues that may arise with flying cars in an urban
environment, the two entrepreneurs said that of course “people don’t like
having cars flying above their heads,” but that the vehicles would be taking
off from designated areas near shopping centers or highways. The two
entrepreneurs believe that at low altitudes, the vehicles could fly over
roads, open water or green areas so as to avoid the problem, while for
higher altitudes there will be no issue because flying cars would be “just
like today’s aircraft flying above us,” Maki Kaplinsky said.

In terms of air traffic control management, Guy Kaplinsky said that each
country has different regulations, and that in the US the Federal Aviation
Administration would be the monitoring authority regulating traffic. With
the introduction of flying cars, he said, the vehicles would be given a
specific space slot according to their route.

“Our mission and advantage is door-to-door [commuting],” said Maki
Kaplinsky, adding that their car won’t be “a toy for rich guys” and will be
“accessible for regular people,” with a target price of $50,000.

NFT is aiming for the mass 

Re: [EVDL] EVLN: Musk walked-back on PV roof option> too small a surface

[Alan Arrison via EV]

Finally someone sets it straight regarding solar panels on car roofs.


On 12/8/2018 9:05 PM, brucedp5 via EV wrote:


https://qz.com/1482588/why-teslas-dont-and-cant-have-solar-roofs/
Why Teslas don’t—and can’t—have solar roofs
December 3, 2018  Kabir Chibber

[images
https://cms.qz.com/wp-content/uploads/2018/12/RTX1A0WZ.jpg
The only solar-powered cars that work

https://cms.qz.com/wp-content/uploads/2018/12/RTS1WEN8.jpg
The Sono prototype  / REUTERS/Andreas Gebert
]

It’s a pretty intuitive question. “Why don’t electric cars have solar
roof[s?]” asked one person in the “No Stupid Questions” area of Reddit.
“Wouldn’t it make sense to have a self sustaining charging capabilities.”
There are similar questions on Quora and elsewhere.

T

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Re: [EVDL] EVLN: Supercap, ultracap, Goldcap> take the plunge (v)

[Alan Arrison via EV]

Could  Ultracapacitors Replace Batteries In Future Electric Vehicles?

The answer is no, no matter how much hype there is.





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Re: [EVDL] EVLN: Rivian e-truck box system patents r:230-400mi

[Alan Arrison via EV]

The whole truck is a pipe dream.

On 3/16/2019 7:16 AM, paul dove via EV wrote:

105KWh battery in the truck for 69,000 I don’t believe that story. Sounds like 
a pipe dream.

Sent from my iPhone


On Mar 15, 2019, at 11:04 PM, brucedp5 via EV  wrote:



https://electrek.co/2019/03/12/rivian-modular-box-system-r1t-electric-pickup-truck/
Rivian patents modular box system for its R1T electric pickup truck
Mar. 12th 2019  Fred Lambert

[images
https://electrek.co/wp-content/uploads/sites/3/2019/03/Rivian_patent-module-bed-configuration-1.jpg

https://electrek.co/wp-content/uploads/sites/3/2019/03/Rivian_patent-module-bed-configuration-2.jpg

https://i2.wp.com/electrek.co/wp-content/uploads/sites/3/2019/03/Rivian-Modules-3-Rivianforums.jpg
]

Rivian, a Michigan-based startup that could become the first automaker to
bring an all-electric pickup truck to market, is patenting an interesting
modular box system for its R1T electric pickup truck.

The company is working to bring its vehicles to market by the end of next
year and in the meantime, we have been learning more about the accessories
that they are working on based on some patent applications they have been
filling.



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Re: [EVDL] EVfire: 2wheel EV.cn Suddenly Bursts Into Flames (v)

[Alan Arrison via EV]

I'm sure there are many more of these "news" hack jobs.

Bruce just posts one once in awhile to keep us informed about the 
anti-EV "news".


Al

On 2/13/2019 11:58 PM, brucedp5 via EV wrote:


https://gaadiwaadi.com/shocking-electric-two-wheeler-burns-like-a-bomb-captured-in-video/
Electric Two-Wheeler Bursts Into Flames Suddenly, Captured In Shocking Video
Feb 1, 2019  Vibin P Vijay

[image
https://gaadiwaadi.com/wp-content/uploads/2019/01/electric-bike-cathes-fire.jpg


video  dated
https://youtu.be/Bqwh4yUyJuE
Electric car catches fire, burns passenger
CGTN  Published on Jun 14, 2018
Surveillance footage shows an electric scooter carrying two men suddenly
burst into flames while traveling at high speed. The accident took place in
Jiangxi Province's Ganzhou City in east China on June 4.
]



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Re: [EVDL] Possibly use as a Pack->AC inverter?

[Alan Arrison via EV]

How would you hold it at 60Hz? How would you hold the output voltage 
steady with varying loads?


I wouldn't chance it. Use a proper device like a UPS. I use a 3KW split 
phase pure sine wave output UPS to run my whole house. It was made to 
run on 12 12V batteries, I see a lot of them made for 16 12V batteries.


Al

On 6/19/2019 8:34 PM, John Lussmyer via EV wrote:

The PDF manual for it shows using 2 of the output terminals to drive a 
single-phase motor.

On Wed Jun 19 15:01:56 PDT 2019 ev@lists.evdl.org said:

Most of these can run off DC either from DC input terminals or Just run the
DC in the AC inputs but derate as if it was a single phase input drive.
Input voltage should be nominal RMS AC voltage to peak AC voltage.
The drive is a volts/hertz or vector type, and they rely on a 3 phase motor
load for feedback.  If they can make single phase power it would be pure
luck.

David Kerzel
Modular EV Powe LLC

-Original Message-
From: EV  On Behalf Of John Lussmyer via EV
Sent: Wednesday, June 19, 2019 11:59 AM
To: Electric Vehicle Discussion List 
Cc: John Lussmyer 
Subject: [EVDL] Possibly use as a Pack->AC inverter?

This is nominally a 3 phase VFD.  Powered by single-phase AC.
Seems like it must be converting to DC first anyway, so may allow DC input.
It also can drive a single-phase AC motor.

Anyone know if this is a likely possibility?

https://www.banggood.com/4KW-220V-20A-Single-Phase-Input-3-Phase-Output-PWM-
Frequency-Converter-Drive-Inverter-5HP-VFD-VSD-p-1286175.html?akmClientCount
ry=America_design=41_source=emarsys_medium=Mail_mailad378_us
_campaign=newsletteremarsys_content=elaine_src=email_3730686_eh=92
c2e4cd8c9145e61_llid=244306_lid=151992224_uid=FUWKwM3ggA_wareho
use=CN


--

Try my Sensible Email package!  https://sourceforge.net/projects/sensibleemail/
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Re: [EVDL] Possibly use as a Pack->AC inverter?

[Alan Arrison via EV]

A lot of the larger UPS are kind of pricey, and you won't find many that 
will do split phase.


I got a steal on Ebay for $500. I had to set up a switch to break my 
320V pack in the middle, and a small DPST contactor to parallel the two 
half packs at 160V. That works out to 12 batteries at 13.3V each and 
works fine. If you have a ~400V pack (typical of a lot production cars) 
that could be split to 200V which should work well with a UPS designed 
for 16 12V batteries (192V).


Al


On 6/19/2019 10:45 PM, John Lussmyer via EV wrote:

On Wed Jun 19 18:32:46 PDT 2019 ev@lists.evdl.org said:

How would you hold it at 60Hz? How would you hold the output voltage
steady with varying loads?

It is a VFD, so it at least holds the frequency steady at whatever you set it 
to.
Hopefully there is some voltage regulation as well.
I'm mainly wondering if it requires the inductance of a motor on the output for 
it to work.


I wouldn't chance it. Use a proper device like a UPS. I use a 3KW split
phase pure sine wave output UPS to run my whole house. It was made to
run on 12 12V batteries, I see a lot of them made for 16 12V batteries.

And what is the price of that unit?


--

Worlds only All Electric F-250 truck! 
http://john.casadelgato.com/Electric-Vehicles/1995-Ford-F-250

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Re: [EVDL] EVLN: NY utility gives free solar hardware to EV buyers

[Alan Arrison via EV]

Free you say? I bet it allows the utility to not only monitor your 
Solar/EV system, but control it too.


Al

On 5/14/2019 12:47 AM, brucedp5 via EV wrote:


https://pv-magazine-usa.com/2019/05/08/new-york-utility-giving-free-hardware-to-solar-and-ev-buyers/
New York utility gives free hardware to solar and EV buyers
May 8, 2019 John Weaver



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Re: [EVDL] Solar Car

[Alan Arrison via EV]

Good luck with that.

On 8/13/2019 10:42 PM, Mark Laity-Snyder via EV wrote:

What do folks think of this article?

https://www.goodnet.org/articles/dutch-company-unveils-worlds-first-longrange-solar-car?utm_campaign=coschedule_source=facebook_page_medium=Goodnet+%7C+Gateway+to+Doing+Good=IwAR2sUWJGJkx4cAsg-S_JM_3k_sXafATuwra7Msux5wh32xrF7uqvuoymXy8

Solar cars are not a new concept; they've actually been around for a while. The 
reason that they have not taken off has been due to their limited driving 
range. But a new day has dawned for solar cars.

The Lightyear One, a prototype of a new type of solar car, was unveiled at the 
break of dawn on June 25, 2019, to a very select group of investors, partners, 
customers, and the press at the Theater Hangaar in Katwijk in the Netherlands. 
Why was it presented at sunrise? The answer is that this new prototype will get 
the most out of every ray of sunlight.



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Re: [EVDL] JDPower paid to poo-poo EV-sales> more paid4-koch-kool-aid

[Alan Arrison via EV]

Who is claiming the survey was paid for?


On 8/2/2019 4:03 PM, brucedp5 via EV wrote:


https://www.news.com.au/technology/innovation/motoring/motoring-news/buyers-resist-the-move-to-new-tech/news-story/f8d4de909774103baf6c1afaa779eb53
Buyers resist the move to new tech
July 31, 2019  Toby Hagon

[image
https://images.carscoops.com/2019/06/f6548caf-charging-station-1-768x512.jpg
]

Car makers are spending billions of dollars every year developing this new
technology but it appears that buyers simply don’t want it.

Driven: The world's most popular electric car

Drivers aren’t convinced about the future of motoring, according to the
latest JD Power survey.



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[EVDL] Electric motor breakthrough

[Alan Arrison via EV]

Have you guys seen this? They are making some "too good to be true" claims.

Their slick website is pretty convincing. Like most of the 
"breakthrough" technologies, there must be a downside.


What say the motor gurus?

https://www.linearlabsinc.com

Al

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Re: [EVDL] Stella Era. I want one.

[Alan Arrison via EV]

3kw! Do you have any idea how many square feet you would need and how 
heavy just the panels would be?


On 8/21/2019 8:33 PM, Lawrence Rhodes via EV wrote:

With advances in aerodynamics and electronics Stella Era is quite amazing.  I 
would really love to build something like this.  I suspect just enlarging the 
vehicle to a bit larger proportions would allow for a larger solar panel and 
thus more power.  However the challenge would be keeping weight down to make 
this happen. If you could get 3kw of solar on the roof and have a sub 1500 
pound weight 400 mile range will be possible with a pretty good cruising speed 
in full sunlight.  
https://www.3dprintingmedia.network/solar-team-eindhoven-3d-printing-stella-era-vehicle/
  Lawrence Rhodes
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Re: [EVDL] Crazy gocarts in San francisco's Farmer's Market parking lot.

[Alan Arrison via EV]

There is no way a motor that small is 8kw. Maybe peak power for 2 
seconds at best.



On 8/23/2019 12:47 PM, Lawrence Rhodes via EV wrote:

I was driving home with ten sacks of 60 pound concrete when I saw the smallest carts I have ever seen in the 
parking lot going really fast...so I investigate. 4 motors each 8kw an inch and a half or so in diameter x 4 
inches long. All running toothed belts to the .skateboard wheels. 0-60 in two seconds. Having four motors 
it spreads out the thermal. No trouble with overheating. The guys were "having fun" and are into 
tech as a job.  This was just their "fun".  Looked like a mature product. They just had small 
battery packs on the cart.  Lithium. 18650's. That is why I enquired.  They said they had a "China" 
supplier. Their words. Hundreds in parts...not much but the batteries cost.  Pushing one guy he said...maybe 
we will do a gofund me. They really have something.  Lawrence Rhodes
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Re: [EVDL] E-Motorcycle battery source

[Alan Arrison via EV]

20 to 40 kWh! Just where are you going to put that many batteries?


On 9/5/2019 9:41 PM, Matthew Pitts via EV wrote:

Good evening (or morning, depending on where you are),

I'm looking for a source for 48v batteries for an E-Motorcycle project I'm 
going to work on this winter. I would prefer some form of Lithium chemistry 
battery, with somewhere between 20 and 40 kWh capacity. Any suggestions?

Matthew Pitts



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Re: [EVDL] Ultrafire batteries. Cheap

[Alan Arrison via EV]

Not the greatest choice of name for those batteries.


On 9/4/2019 9:35 PM, Lawrence Rhodes via EV wrote:

  
http://vi.raptor.ebaydesc.com/ws/eBayISAPI.dll?ViewItemDescV4=303256457843=48619=1=0=1567646594735
 Is it possible to use individual chargers and no BMS on discharge? Is using spring loaded battery 
boxes feasible? We are taking about a 48 to 72 volt 10 to 20 ah battery. Is my design a recipe for 
failure or simplicity? Lawrence Rhodes
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Re: [EVDL] V2H

[Alan Arrison via EV]

I had been wondering why something like this hadn't been done yet.

However, it is by no means a done deal. They have a big problem to 
solve. They would have to work with all the automakers to have the 
vehicles allow access to the battery through the charge port and allow 
power to flow out of the battery.


Good luck with that.

Al

On 7/27/2019 9:33 AM, Willie via EV wrote:

Anyone know anything about this:
https://cleantechnica.com/2019/07/26/wallbox-launches-in-us-china-adds-residential-bi-directional-dc-fast-charger/ 


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Re: [EVDL] V2H

[Alan Arrison via EV]

It seems odd Tesla would have that capability available and not mention 
it. It seems like it would add cost.


I was thinking more about an off board inverter that would connect to 
the vehicle fast charge port.


Al


On 7/28/2019 11:45 AM, Ing. Marco Gaxiola wrote:
It is not actually that big, last year I was able to presence a Model 
3 tear down, from a very early VIN and I found that the onboard harger 
was already hardware enable to perform that.


The electronic design was made to work worldwide, 3 or 2 phase, 
120/240vac and with a very simple architecture that allows the charger 
take power back from the HV battery, step it down using same step-up 
transformer used to charge, convert it into a sine wave and send it 
back to the grid or work like an island. Converting the car work like 
a stationary energy storage system.

Sent from my iPhone


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Re: [EVDL] Hyundai releases solar roof vehicle.

[Alan Arrison via EV]

The usual waste of time and money. I'm sure the numbers are theoretical 
best case scenario.



On 8/6/2019 8:52 PM, Lawrence Rhodes via EV wrote:

  Do the math. 1100 miles a year is significant. Lawrence Rhodes

 On Tuesday, August 6, 2019, 4:50:41 PM PDT, paul dove 
 wrote:
  
  2 to 3 miles a day? Hardly worth it


Sent from my iPhone


On Aug 6, 2019, at 4:49 PM, Lawrence Rhodes via EV  wrote:

Baby steps.  Lawrence Rhodes 
https://www.cnbc.com/2019/08/05/hyundai-launches-car-with-a-roof-based-solar-charging-system.html
   
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Re: [EVDL] Manzanita PFC20 operation

[Alan Arrison via EV]

The blue led is the timer time out after the yellow voltage limit led 
comes on.


If the rotary switch is set to 3 o'clock, it times out immediately after 
the yellow led comes on.


Does the yellow come on along with the blue?

On 8/6/2019 2:47 PM, Christopher Darilek via EV wrote:

I scored a Manzanita PFC20 charger to round out my Zilla setup and wonder if 
anyone has advice - I did the volts trim so that it stopped charging at 99.6V. 
Now when the battery is at 98.4V is will not start back up when I flip the 
breaker, even if I turn the voltage trim way up. The blue LED is On solid.

I'd like to trim it to 103V but I can't get it to charge now. I can't get the 
blue LED to turn Off, even if I unplug everything for a few mins.

I'm not sure what voltage pack it was setup for prior. Do I need to mess with 
the auto restart potentiometer VR6 behind the faceplate? Or follow the elithion 
advice?

I'm looking at the Programming section of Elithion Lithiumate manual - 
Manzanita Micro (I have a lithiumate BMS).


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Elithion Lithiumate manual - Manzanita Micro

Manzanita Micro: Installing and programming a Manzanita Micro charger with a 
Lithiumate BMS..
  |

  |

  |




And the Steps For Setting The Auto Restart Set Point section of 
http://www.manzanitamicro.com/downloads/category/3-chargers?download=101%3Apfc20-30-40-manual.
Thanks,ChrisChris' 1972 BMW 2002

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Chris' 1972 BMW 2002


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Re: [EVDL] Solar off grid with an EV? (DC AC/heatpumps and waterheating)

[Alan Arrison via EV]

Where are you getting 25 cents a watt panels? Must be some real junk.


On 7/17/2019 2:28 PM, Robert Bruninga via EV wrote:

Inefficent yes, but hooking up 2 wires is a lot easier than building one out
of copper, plywood, glass and paint.  With solar panels costing only 25
cents per watt (on a good deal) then the investment in 4 panels (800W) is


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Re: [EVDL] Takoma_Park-MD ice-station ditches pumps4 L3&2 EVSE> didn't like BIG-OIL jerking him around

[Alan Arrison via EV]

Don't worry, you won't become rich, maybe broke, but not rich.
They don't mention how much it will cost to charge.



It’s not something that I expect to become rich overnight or something like
that, but it’s a good cause (and) good for the environment.
 Depeswar Doley
owner of the first gas station to exclusively offer EV charging
"


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Re: [EVDL] LiFePO4 Thermal Imaging Opinions?

[Alan Arrison via EV]

If you had a proper BMS like the Elithion system that I have, it would 
show you the exact temperature of each cell and warn you of over 
temperature.



On 9/30/2019 11:57 PM, Mr. Sharkey via EV wrote:

Time to turn up the dial on the technical channel.

After converting my car to a lightly-used set of Thundersky 160's, 
I've finally gotten around to having some thermal images taken of the 
cells after running the car up to temperature. My purpose was to make 
sure that none of my cell interconnect wiring (copper strap stock) was 
heating up. What I found was somewhat unexpected. One of the 38 cells 
was showing an elevated temperature from the rest.




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Re: [EVDL] EVLN: Rivian R1T e-truck’s quad-motor torque vectoring

[Alan Arrison via EV]

They conveniently don't mention the downside of increased weight, 
complexity, and cost.


On 11/17/2019 9:26 PM, brucedp5 via EV wrote:


https://electrek.co/2019/11/11/rivians-quad-motor-torque-vectoring-sets-high-bar-for-tesla-cybertruck/
Rivian’s quad-motor torque vectoring sets high bar for Tesla Cybertruck
Nov. 11th 2019  Bradley Berman

[image
https://i1.wp.com/electrek.co/wp-content/uploads/sites/3/2019/11/rivian-rt1-backroad-1800.jpg
  rivian-rt1
]

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Re: [EVDL] (Keep EVs charged)> N.CA Counties power shutoff warning> Butte, El_Dorado, Nevada, Placer, Sutter, Yuba (v)

[Alan Arrison via EV]

I am amazed that the public would put up with this.

On 9/22/2019 1:35 AM, brucedp5 via EV wrote:


https://www.nbcbayarea.com/news/local/PGE-May-Shut-Off-Power-to-Some-North-Bay-Cities-Next-Week-561007461.html
PG May Shut Off Power to Some North Bay Cities Next Week
2019-09-21  Christie Smith

[video  flash
On PG's new website the potential for public safety power shutoffs is
elevated for zones three through five Monday and Tuesday, which includes
parts of the North Bay. The shutoff is not imminent, and notifications would
go out if it were, but local residents say they want to be prepared.
Christie Smith reports. (Published 4 hours ago)


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