I think a better solution would be to make a charger
that *compensates* for the power factor of the home
...Such a charger won't just have a do no harm effect;
it will *improve* the power factor of the house!--
Remind me We dont pay for bad power factor do we? Do our electric meters
read
My 2 cents.
Anyone who buys an EV with the idea of routine public charging does not
understand the value promise of an EV. Why hassle with public charging
stations when the whole idea of abandoning gas was to avoid public gas
stations??? She says herself that she does not drive much. And a
Kaboom goes the cell!
Was testing a battery module from my Prius on a battery analyzer. The test
plan begins with a several minute no-load, then a 1C load for up to 1
hour, then a several minute no-load, then a charge at 1C until peak voltage
is detected.
After 3 minutes, a cell exploded
The prius has 28 modules, and each module (about the size of a paper back
book, only taller) has 6 cells. Each cell is about a 5 AH cell. So the
module voltage was about 7.5 volts.
Bob
*From:* ev...@yahoogroups.com [mailto:ev...@yahoogroups.com]
*Sent:* Wednesday, June 18, 2014 9:20 AM
road wear is not the only social negative caused by vehicles.
... noise and air pollution are pretty close to the top.
EVs have a positive impact on these factors.
Here's how we say it on this web page:
http://aprs.org/EV-and-gas-taxes.html
EV's are getting free ride on the highways, but are
Generally, Hydrogen for transportation (no infrastructure) makes little
sense compared to EV’s (everyone has an outlet in their garage). The
business model for hydrogen cars is very weak (though it is needed for
trucks and road warriors).
BUT!
There is a future for hydrogen in utility scale
Generally, Hydrogen for transportation (no infrastructure) makes
little sense compared to EV’s (everyone has an outlet in their
garage). The business model for hydrogen cars is very weak (though it
is needed for trucks and road warriors).
I'm not sure what you mean by needed for trucks and
).
Bob
On Wed, Jun 25, 2014 at 12:02 PM, Robert Bruninga via EV ev@lists.evdl.org
wrote:
Somebody has to pay for road repairs.
Pipelines are a different issue.
Rather than spending $billons of dollars on a pipeline monument to the
past, it is better to make that same investment into electrical
The accelerator pedal needs a shorter name for electric cars ...
Its called the GO pedal?
But, with EV's with strong regen (like the BMW i3) it’s the GO/slow pedal.
But when pronounced, no one wants to think of an EV as being driven with a
go slow pedal, so maybe it is a go/stop pedal?
Folks,
EV's and Hydorgen fuel cell cars are NOT in competition. (except in
Toyota's fantasy dreams).. There is no need to get worked up.
EV's are far, far better for local travel and daily commuting (80% of our
miles). But in the long run, when all the oil is gone, we will still need
the
Are you saying that the main problem with battery electrics
is also that most of the power it uses is not renewable?
Careful: Studies have shown that about HALF of EV buyers also have SOLAR
or sign up for 100% solar/wind from their utilities. It is -not- a
coincidence that those who want to
Careful: Studies have shown that about HALF of EV buyers also have
SOLAR or sign up for 100% solar/wind from their utilities.
Very interesting and promising statistic.
Do you have a cite?
Yes. Thanks for making me look it up. Its actually 60% in this study if
you include those that would
[corrected! And results are 10 times better!]
Remember this solar investment is the upfront cost. From then on, it has
paid for free transportation energy for emissions free EV's forever...
Lets try this
$1.7T divided by $3.30/Watt cost of solar = 500 BWatts of capacity.
In Maryland
] Hydrogen/EV thoughts (EV emissions)
Can you tell us how the survey was worded? The one resulting in a desire
for renewable fuels?
On June 26, 2014 11:25:14 AM CST, Mark Abramowitz via EV ev@lists.evdl.org
wrote:
On Jun 26, 2014, at 8:20 AM, Robert Bruninga via EV ev@lists.evdl.org wrote
Was shocked to hear that the Postal Service gets an average of 7 MPG in the
delivery of mail.
At first, I couldn’t see how those little jeeps can be so poorly designed,
and then I realized that the average daily use is 28 miles with 500 stops
over a span of several hours, during which the
A friend said they got a Solar City Quote for $8k for a 6 kW system here in
Maryland. That’s under $1.50 a watt installed!
That is a one-time fully pre-paid upfront lease. Pay it once and free
electricity for the next 20 years. The homeonwer can buy out the array any
time from now till then
Actually, Solar City is mostly just a marketing, and financing system.
They then hire local companies to do the installations according to their
specs.
Yes, they demand efficiency from those local companies, and that is where
the weeding out happens I guess.
Similar to my experience with
Just because you *can* get a 400 mile range doesn't mean you should.
For one thing, doubling the range doubles the cost of your batteries.
It also lowers efficiency, since you'll be carrying around twice the
battery weight.
... But I do like the idea of a re-sizable pack.
Yes, good idea to
I saw a guy riding one of these one-wheel thingyys and he was as artful as
a Segway, and could reachn speeds of 12 MPH and in full control. If y ou
havent seen one of these you wont believe it.
Imagine he caveman on the one-wheel in the B.C. comic strip and that is
exactly what this looks like.
Speaking of maneuverability. Here is my $1000 lesson learned:
I bought a recumbent trike with the idea of riding the ideal commute 12
mile rail-to-trail to and from work. NOT.
The thing is comfortable, smooth, powerful easy to ride. The ideal
commuting machine But I only did it once.
Hearing the Grocery Store ads for their “Gas Rewards” programs just hit me
this weekend as being a perfect example of how WRONG-HEADED we are.
If you feel similarly offended by “gas reward programs” that encourage just
more burning of fossil fuel, you might want to WRITE to them and register
Yes, we had a 1-wheel trailer when I was a kid and Dad loved it because he
could back with impunity. But you should see how it can launch its entire
load into the air when it hits a bump.
Also, pulling just a tiny 4'x4' (flat) trailer behind my Prius loses 10
MPG. My trailer is a solar panel
Given the previous lambast of Hydrogen powered Fuel Cell cars…
If hydrogen from natural gas is twice as bad as burning NG directly, and
given that NG is half the carbon as Coal, then it would seem that a
hydrogen powered FEV is the same as burning coal directly. It would make a
nice summary
And if the ICE and EV they are similar, then why keep on burning all that
fossil fuel (lots with blood on it, and sending our $$$ overseas) and
ruining the air and the environment when you could actually be part of the
clean, renewable energy future just as easily? Bob
On Mon, Jul 28, 2014 at
One ton of A/C is equal to 12,000 btus/hr.
and 3420 btus/hr equals 1000 watts.
However, it applies to direct conversion such as resistance heating,
and not to the compressor operated...Heat Pump,
...my home heat pump shows an EER of 13,
indicating the BTUs moved...only require 1/13
of
I would disagree that these are real-world examples. ANyone who would
purchase an EV for a daily commute that needs daily public charging either
has too much time on their hands, spends hours a day at starbucks or bought
the wrong car. An EV is optimum when it can meet the routine daily needs
expecting the car to plug itself into a wall outlet / cable is asking a
bit much.
Actually If I had the time (after I retire maybe) I can easily imagin a
robot arm on the garage wall that can reach out, find and connect to some
contacts mounted somehow on the front license plate area.
In fact,
Is your EV doing enough?
Today I randomly found the last available parking spot at work at a
Tbone intersection, where, I realized that every driver on campus has to
see it square in their eyes as they made the turn to go home.
Why have I not been doing this for the last 4 years?! My car is
how much range is enough...is it better to... decrease price
without improving range or make electric vehicles go further on a charge?
Why not do both?
Amen. I like the new Nissan concept of a range of batteries to match the
individual.
I do not want to spend extra 10's of thousands of
Since when has the MiEV sold more units than the Leaf?
Never according to:
http://evobsession.com/world-electrified-vehicle-sales-2013/
#1 is Leaf,
#2 is Volt,
#3 is Prius PIP
#4 is Tesla
#5 is Mitsubishi Outlander PHEV (must be overseas)
...
#20 (out of 21) is the MiEv
Al
- Original
! The VW e-up! is out-selling the BMW i3! MW
On 29 Aug 2014, at 00:41, Robert Bruninga via EV ev@lists.evdl.org
wrote:
Since when has the MiEV sold more units than the Leaf?
Never according to:
http://evobsession.com/world-electrified-vehicle-sales-2013/
#1 is Leaf,
#2 is Volt,
#3
Seems like a very inefficienct system. If you want heat, just run
resistance heat directly from the EV voltage. That is 100% efficient and
costs nothing in complexity. Just series whatever number of 120v heater
elements in series is needed to reach the pack voltage. And of course
switch to DC
in Europe... Asia, long distance is not the issue,
it's car cost and range anxiety. If you can sell a car
for $10k less without the buyer having to worry about range anxiety
(because there is a good rapid charge infrastructure...) then you'll
sell more cars.
The goal is not to just sell
IM going to ask our local EVSE MFR to give me some 6” samples of his EVSE
charge cables.
Then I will mount them on a small display board and see if I can get the
local recyclers to hang the plaque on the wall with a sign “Stolen EV
charge cables”…
The conductors are unique, 3 big ones and 2
, Sep 3, 2014 at 6:35 AM, Robert Bruninga via EV ev@lists.evdl.org
wrote:
IM going to ask our local EVSE MFR to give me some 6” samples of his EVSE
charge cables.
Then I will mount them on a small display board and see if I can get the
local recyclers to hang the plaque on the wall with a sign
For Natl Drive Electric Week, we need to get the word out to all EV drivers
that they can all communicate car-to-car via any FRS walkie talkie. The
national channel for EV-to-EV communications is channel 3 tone 5.
This makes it easy to communicate with other EV's without having to carry
ten
As the driver of a large puffy vehicle and a person living
in the USA I can tell you that we own and operate these vehicles
because they represent the best utility value for many.
Partly because they are not paying for the added environmental damage...
but pushing it off on the rest of us.
Studies have shown that at least HALF of all people who purchase an EV
either have solar or buy their electricity from 100% clean renewable
providers such as solar or wind.
As sales move from early adopters to the more general population,
... unless PV sales start outstripping auto sales,
.
-Bill
On Sep 15, 2014, at 10:59, Robert Bruninga via EV ev@lists.evdl.org
wrote:
...then no one should be driving at ALL.
Even an EV derives it's power from fossil sources in one way or
another.
Whoaa, that is simply not true (though the right wing media would
like us
to believe
Next time I hear someone blasting the reduced range of an EV with the heat
on, I want to come back with something like this:
“What? The heater in your gas guzzler is reducing your gasoline range by
over 70%. And not only that, you can’t even turn all that wasted heat
off! All you can select
and EV's, then we have to account for
the fact that the EV loses a lot of energy before it moves the car too. So
I used a common comparative figure that an EV uses about 30% of the energy
of a gas car to come up with the 70%...
Bob
On Thursday, September 18, 2014 1:31 AM, Robert Bruninga via EV
ev
There is an annual car show in Norfolk, VA 18 Oct on the military base.
Anyone have an EV they want to show to the crowds?
Bob, WB4aPR
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It was a rude awakening to me when I realized that all the Greatness of an
EV to solve all our problems does not apply to congestion (unless one
switches to an electric bike). So I have not been a supporter of HOV
stickers for EV's.
HOV stickers for EV's with only 1 person in them does not make
Slightly off topic.
Driving my energy efficient EV home everynight , I have to cross the new
Annapolis Bridge with its blinding wasteful lights. See a picture:
http://aprs.org/USNAlamps.html
But here is the real shocker I just stumbled into when looking at the
Satellite view of wasted light in
I have 200W of solar panels on the roof of my Prius. Did it in 2007. THen
realized, why in the world waste time with 15 SqFt of solar panels on the
roof of my car when I have 1500 sqft on the roof of my house!
And, in 2013, the cost of 250W home-roof top panels only cost $200 compared
to the
This is a no brainer.
The value of the Tesla brand is extremely high. The negative value and
media feeding frenzie of a hacker-induced fire, crash, or ANYTHING that
would spoil the brand name is simply not worth the risk. I don't blame
Tesla.
If the guy wants to hack a tesla, then simply sign
Didja check the brushes?
Bob
On Mon, Sep 29, 2014 at 7:52 PM, Ben Jarrett via EV ev@lists.evdl.org
wrote:
Hi All,
Well, I have about 6000 miles on my jeep and my warp 9 motor started
making some zapping sounds
a little while back. It's gotten pretty bad now - I can even see sparks
when
Finally finished my solar pier enough to take some pictures.
See: http://aprs.org/solar-on-piers.html
Right now it consists of five 12' floating sections with 2 panels each. I
can build one more section and two more finger piers and still fit within
my pier permit eventually.
This began in
You EV experimenters must have some facts here...
Is it illegal to purchase, own or operate a non UL approved appliance?
(Which?) (How do I prove it is OK)...
We are trying to support a grass-roots solar panel idea for people in our
church who don't have good sunny roofs or who don't have the
disagree. Sounds like to me they are perfectly willing to work with the
guy. But the guy is unwilling to work with them...
bob
On Wed, Oct 1, 2014 at 5:39 PM, Ben Goren via EV ev@lists.evdl.org wrote:
On Oct 1, 2014, at 2:23 PM, Cor van de Water via EV ev@lists.evdl.org
wrote:
As it looks
This is laughable. Sure the car is yours to do anything you want with.
But when you want to go ask Tesla to activate it, then guess what, you
are ASKING for help from someone who has a very valid reason not to want to
take the risk to HELP you with YOUR salvage CAR which you OWN.
If you want
I can't see why I need a high rate of charge at home.
I don't need or want it. But if I lived in an apartment building
where I couldn't plug my car it, being able to zap it full on the
way to or from work might be the deciding factor in whether I buy one or
not.
Every single day for the rest
I wish them the best of luck, of course, but this strikes me
as a classic case where the vehicle's 80-ish-mile range
is an overwhelming obstacle.
Yes, To some people. But different strokes for different folks. For most
scouting weekends, almost all trips are well within range of an EV...
Bruce,
Tell me about the solar canopy in all those pictures. The sun appeared to
be directly overhead, yet the arrays were catching less than half the sun.
Maybe they are going to back fill more panels later? Or were these E/W
tracking arrays?
Bob
-Original Message-
From: EV
You get no where near that much energy back. 5% on average.
I believe you are mistaken. Regen... returns about 50%...
The kinetic energy of a moving vehicle can be mostly recovered.
Nit picking here. But 50% is not quite mostly.
And recovered is one thing, but storing it chemically in a
Reverse-cycle air conditioning (heat pump) uses typically three times
less energy than a resistive heater for the same amount of heat.
Amen. Mount it in the EV so you can flip it around.
I have a window AC in a bathroom hole-in-the-wall so that I can slide it
out and reverse it in winter. It
Related to the image in the SUBJECT video (pulling the self-baqlancing
vehicle sideways and it still remaining balanced)., yesterday I saw videos
of the DARPA research on robots and it is AMAZING where they are at.
They showed full 2 legged huminoid robots (with arms for balance) running
across a
out as you approach upright to continue forward.
Even with a human pilot to provide the inputs, overlapping compensations
will drive these control systems nuts.
It's a very real world out there, and Lit is so not ready for it.
Chris
On Nov 4, 2014 11:08 AM, Robert Bruninga via EV ev
Energy used in driving is simple physics:
Everything you put into acceleration you get back in Momentum.
Everything you put into a hill, you get back as potential energy.
Everything you put into braking is LOST (regen gains some back).
Wind resistance goes up as the cube of speed.
So the only
That's a no brainer. Get a Volt!
original email -
I have a friend who's contemplating buying a new car. I was able to get
him to seriously consider an EV, but he says there're enough times he
needs more than 100 miles range for some random emergency that he can't
The fair answer is simple. Currently EV's get a free ride on the roads but
gas cars get a free ride on the environmental damage they cause. This
disparity should be eliminated ON BOTH SIDES. That is, for every dollar of
road tax you add to the EV, add the same Dollar to the gas tax for the
to slow down
(reduce that cubed high speed as much as possible).
On Thu, Nov 6, 2014 at 1:41 PM, Robert Bruninga via EV ev@lists.evdl.org
wrote:
Slower acceleration leads to lower average speed.
Which leads to lower wind losses.
Not at tall. You can take all the time y ou want to get to 70 PMH
... a new company website who claim to bring fast charging throughout The
Netherlands:
http://www.fastned.nl/en
--
It might be a good investment now, while all the suckers are piling on,
but I'd plan on getting my money out soon, before the EV motoring public
learns
This analysis is missing something when it implies that more and more energy
is recoverd when more and more stops are made along the same 10 miles. This
is voodoo economics. Yes, the perecentages of energy recovered go up but
there is no mention of how drastically the total energy goes up with
Near Wash DC, the local utility offered 3.5 cent/kWh for a separately
metered EV charging circuit (off peak). But that was an unloaded quote.
Add in the other charges of about 4c per kWh and you are up to abou 7.5c
overall.
A great deal considering the normal loaded rate is about 14 c/kwh.
Bob
My friend drove to an all day conference about 40 miles away. No problem.
Plug in all day. Until his wife ended up back home in the emergency room
and it took him a few hours on L2 to get enough charge to get home.
He is still living that down. I am a full beliver that 80 mile range is
enough.
Don’t forget to take along an FRS walkie Talkie set to channel 3 tone 5. If
Every EV driver carried one, we could chat, brag, and commiserate with each
other in passing or while stuck in grid lock. Lets make this a national
standard.
Certainly an FRS radio is handy at EV events when EV's
I have looked for used parking meters to make them into EV L1 charging
outlets but simply cannot find them. Yet the old mechanical ones are
being replaced by themillions by new gadgetry. Where are they all going?
I found one in an antique shop, but the owner seemed to think it was made
out of
Subject was: Re: EVLN:Solution? Hand-wringing EV angst (parking meters)
It's what Bob Rice, etc did in the first cross country EV race.
They requested temp pole drops from utilities all across the country...
I participated in the MIT/CAL-Tech Clean Air Car Race of 1970 and am trying
to find
...the overwhelming majority of alternative fueling stations are electric.
Biodiesel: 297 stations
CNG: 784 stations
Electric: 8783 stations / 21,809 outlets
Ethanol: 2,453 stations
Hydrogen: 13 stations
CORRECTION! FACT: There are over 230,000,000 L1 charging outlets. That is
the Census
The solar panels on my car (200W) on 15 square feet make no sense compared
to the 1500 sqft of roof I have at home. Plus they cost 10 times more on
the car. Make no sense at all.
BUT, I use them to make the point that without them I cnanot get home since
for 20 years, the US goernment will not
230 million L1 refueling options in 2/3rd of all American homes...
I've lived in old houses that had no easily accessable outdoor
receptacles at all.
This doesn't negate your point - it just changes the numers a bit
But, I don't think it changes the numbers. Someone with an EV that lives
in
I think the solution will be much more boring than that.
As battery capacity increases and charge time decreases,
we'll simply see filling stations morph to charging stations. Status
quo.
I'm sure people will continue to charge at home if they're able.
The rest will use filling stations.
At least in the US, it is normal for electric utilities to have
made it illegal for others to resell their electricity.
...So you can't legally sell power at a charging station without the
power company's blessing.
Maryland and other progressive states passed legislation as one of their
first
For opportunity L1 charging:
I have been asking our State EV Council to publish a web page stating The
cost to charge an EV from any conventional 120v outlet is 20 cents an hour
at Maryland average retail utility rates.
And make it in a format that can be PRINTED and carried as a CALLING CARD.
Subject: [EVDL] Reporter Wants2-Talk2 Belleville IL plugin drivers
BND reporter Mary Cooley would like to talk to you about your
road trips and driving habits. Call her at 618-239-2535, email
[mcoo...@bnd.com ]
I did, and the thing she wants to get a handle on is the number of EV
CONVERSIONS.
That's exactly my point: we're going to keep mining coal,...
I wouldn't bet on that. The use of coal just in the last 4 years has gone
down 20%!
And there is no reason to think it won't go down drastically more. No
reason to keep mining it if no one wants it.
As our use dwindles, the low cost
Also, PV inverters are more expensive than regular inverters.
Yes, something like FIVE TIMES. A 3kW grid-tie inverter probably costs
about $1500. A 3 kW regular inverter costs less than $300 from Home Depot
or anywhere else.
Bob, WB4aPR
___
So, I have my roof covered with solar panels.
my utility, is threatening to at least triple monthly
basic connection fees for solar customers.
So, 3 times $8/mo is $24/mo.Big deal...
That is far-far (100 times ) cheaper than any home-energy storage system.
Here is the lunacy of going
Can I ask what you use for heat in the winter?
Thanks
Bob
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of jim via EV
Sent: Monday, December 22, 2014 11:22 AM
To: ev@lists.evdl.org
Subject: Re: [EVDL] OT: batteries for solar PV off-grid
We've been using a
Has anyone had experience getting a local electrician to install a
grid-tie-solar kit such as the one offered by Home Depot? The cheapest
one is about $2588 for a 1kW kit.
http://www.homedepot.com/p/Grape-Solar-1-060-Watt-Expandable-Mono-Crystall
A 20-year T-bill right now is only paying about 2.5%...
Even if it takes 20 years to pay off the battery system...
Batteries are not a source of energy. They produce nothing. Solar panels
do. Far better to spend X dollars available for more solar panels which
pay off themselves in about 3
that they don't have
firmly under their control.
It is about the best we can do at this time.
On Tue, Dec 23, 2014 at 9:48 AM, Robert Bruninga via EV ev@lists.evdl.org
wrote:
A 20-year T-bill right now is only paying about 2.5%...
Even if it takes 20 years to pay off the battery system...
Batteries
, but it is crazy to throw any
more money away trying to store up to maybe 60 kWh per day in batteries
(costing say $12,000) when you can store it in the grid for a few dollars
rent a month.
Bob.
On Dec 23, 2014, at 6:48 AM, Robert Bruninga via EV ev@lists.evdl.org
wrote:
A 20-year T-bill right now is only
batteries.
If you are taking yourself off grid, not only do the batteries (or
other energy storage method) produce value, but may even be essential.
Sent from my iPhone
On Dec 23, 2014, at 6:48 AM, Robert Bruninga via EV
ev@lists.evdl.org
wrote:
A 20-year T-bill right now is only paying about
But, if the SRP proposal goes through, it'll either be
a fixed $50 or $67 per month..
That is preposterous and only shows how the greed of well funded oil money
campaigns can convince people against their better interest.
Now re-run your calculations with those numbers
and see if they still
Efficiency...
The aquair batteries... have an even wider swing--
something like 36 to 70 volts...
Giving them terrible efficiency. That's almost 50%. Given that an
electron-in to charge at 70 volts comes out at 36 volts is a 50% loss of
power and hence efficiency. Such batteries are great
-
On Tue, Dec 23, 2014 at 12:32 PM, Robert Bruninga via EV ev@lists.evdl.org
wrote:
A Key misconception here. You say they charge $0.09 for electricity used,
and will only pay $0.02 for your generation. But that is NOT NET METERING.
Do not be confused
, at 2:21 PM, Robert Bruninga via EV ev@lists.evdl.org
wrote:
Giving them terrible efficiency. That's almost 50%. Given that an
electron-in to charge at 70 volts comes out at 36 volts is a 50% loss of
power and hence efficiency. Such batteries are great for standby
back
up systems where
What percentage of households can charge at home?
That leaves quite a few who will have to find charging stations once in a
while.
Huh? I remind people that an EV needs to be charged 10 to 20 times more
often that a gas car and so anyone who buys an EV with the idea of public
charging simply
On Sat, Jan 24, 2015 at 3:55 PM, Cor van de Water via EV ev@lists.evdl.org
wrote:
Hi gang,
One friend of me is moving and gave me his EV conversion books,
so I am posting here to see if someone here is interested in getting them,
they are:
Convert It (Michael Brown)
Build your own EV (Bob
The reason I mention these solar panels on the EV list is because these are
without frames. Maybe easier to mount on a truck?
http://sunelec.com/solar-panels/sun-435w-laminates-grade-b.html
Here are some 435 Watt solar panels (81” by 41”) that are only 39 cents a
watt compared to home solar
Am preparing a talk for this weekend about the unbelievable economics of
solar power where I always stress the economics all comes from the absence
of any BATTERY storage expense and the 95% efficiency of grid-tie and
annual storage in the grid.
But after several slides bashing how
pools! I
accidentally got my 19,000+ gallon pool up to 99 degrees F last labor day
using only rooftop solar
otherwise, i agree about PV, having PV since 1999
--
*From:* Robert Bruninga via EV ev@lists.evdl.org
*To:* ev@lists.evdl.org
*Sent:* Wednesday, January
... I question the value of a heat pump H/W heater in winter.
If it's taking heat from your garage or basement,
that is ultimately taking some heat from your heated spaces...
Yes, one has to think about where it is. But my garage is not heated, nor
is my basement. Therefore it is taking the
into the batteries, and they only
handle
the power going out for the DC-AC conversion, or charge the batteries from
an AC source.
Z
On Sun, Jan 18, 2015 at 3:29 PM, Robert Bruninga via EV wrote:
They also have a 6 kW grid-tie/off-grid inverter for a 48v battery sysem,
but best I can
Solar Thermal makes no sense anymore.
Compare 70% efficiency (ONLY 5 mos of the year)
for a net of 29% to PV that is 18% year round AND
when used to drive a Heatpump with a COP of 2.5
gives a net efficiency of producing 45% HEAT.
AND the other 7 months provides COOLING or
retail value for
How do the rental cars handle their EV’s? I’m going to California for a
few days and want to rent an EV.
Do they give you the L1 cord AND do they give you a Charging access FOB or
some way to be able to charge from most charging stations without having to
have a personal account?
Bob
will there be any EV club meetings in Monterey or surrounds the week of
26-30 Jan? I'm gonna be stuck there just babysitting a satellite for a
week and will be looking for things to do...
Bob, Wb4APR
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To continue the efficiency debate for y our solar carport, there are some
very low prices at
http://sunelec.com
28 cents/watt amorphous panels 1.1 x 1.3m 5.8w/sqft
44 cents/watt big 4' x 7.7' panels 12.8W/sqft
64 cents/watt normal 3.3' x 5.4' giving 13.6W/sqft
So again, it you have PLENTY of
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