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

2019-09-22 Thread Lee Hart via EV
>> PG May Shut Off Power to Some North Bay Cities Next Week >> 2019-09-21 Alan Arrison via EV wrote: I am amazed that the public would put up with this. Well, when PG *didn't* turn off the power during high winds and very dry conditions, fires started that nearly burned the town of Paradise

Re: [EVDL] sierraclub.org will hold fed's illegal Attack on Clean Air Act accountable

2019-09-20 Thread Lee Hart via EV
From: Russ Sciville via EV > I had to reply to this! Am I to understand that air scrubbers > situated along highways will reduce pollution from vehicles? :-D > That must be a joke. Sadly, it's not. Irrational laws may require irrational solutions. If you're required by law to improve air

Re: [EVDL] li ion battery in cold weather

2019-09-10 Thread Lee Hart via EV
Peri Hartman via EV wrote: I'm really surprised the "balance" is so poor... My guess is that there's virtually no insulation and the manufacturers are skimping because it won't matter so much to the current buyers. I think that is exactly it. Also, the big automakers have so little

Re: [EVDL] li ion battery in cold weather

2019-09-10 Thread Lee Hart via EV
Peri Hartman via EV wrote: In other words, when cold, the voltage drops below the safe minimum rated value ? But if warmed up, the voltage rises enough to use the cell longer ? Yes. You've got it! Ok, then why don't battery heaters - which I thought the Bolt & Tesla have - give a good winter

Re: [EVDL] li ion battery in cold weather

2019-09-10 Thread Lee Hart via EV
Peri Hartman via EV wrote: So the correct conclusion would be, for those cars which have poor winter range, that the cell internal resistance is too low to heat the cell ? Yes; too little self-heating to be useful. Also, that the cell voltage is lower during cold temps (while under load),

Re: [EVDL] li ion battery in cold weather

2019-09-10 Thread Lee Hart via EV
Peri Hartman via EV wrote: Ok, so the correct assumption would be that the Leaf and Bolt cells don't have enough internal resistance, thus the performance stays poor in cold weather ? Let me try to simplify it. There are huge differences between the various types of lithium cell constructions

Re: [EVDL] li ion battery in cold weather

2019-09-10 Thread Lee Hart via EV
Peri Hartman via EV wrote: Understand. Well mostly: I didn't lookup Arrhenius. But my question still remains. What is the electrical result when the reaction is slower. I am presuming there is a lower voltage across the cell. And, if that's so, more current must come from the battery to provide

Re: [EVDL] OT: NTSB report on Tesla Autopilot

2019-09-09 Thread Lee Hart via EV
paul dove via EV wrote: >> This guy sounds like a professional article writer. From: EVDL Administrator via EV > You say that like it's a bad thing. It's not. > > The word you're looking for is "journalist," or maybe "reporter." > > But it's true that good ones are scarce these day... Many

Re: [EVDL] Ultrafire batteries. Cheap

2019-09-05 Thread Lee Hart via EV
Willie via EV wrote: I have a neighbor that copied a commercial golf cart conversion product. He used 11 S 100ah LFP (~3.4v) cells...11 chargers. Which were pretty expensive; I think he ended up paying ~$20 each. He's been running it a couple of years with no trouble. So far. I think he checks

Re: [EVDL] Ultrafire batteries. Cheap

2019-09-04 Thread Lee Hart via EV
Lawrence Rhodes via EV wrote: Is it possible to use individual chargers and no BMS on discharge? It's possible. It will work, as long as nothing goes wrong. The trouble is, something *always* goes wrong, sooner or later. Why? Because we keep using batteries until they fail. If none of the

Re: [EVDL] 1978 City Car project (near Baltimore)

2019-09-02 Thread Lee Hart via EV
Robert Bruninga via EV wrote: Is there any inerest in restoring an old 1978 Seabring Vanguard City Car (cheese wedge). EVDL Administrator via EV wrote: Not from me; I've been there and did that once already. ;-) I'd be interested. Though they are rude and crude, they have a certain

Re: [EVDL] Lost: Yellow Comuta-Van

2019-09-02 Thread Lee Hart via EV
brucedp5 via EV wrote: % A search shows plenty % https://www.google.com/search?tbm=isch=Yellow+Comuta+Van Hi Bruce. Lots of CitiCars and ComutaCars. But only one ComutaVan that I saw (and it was still in Post Office livery). John (and I) had ComutaVans. They were perhaps the last batch of

Re: [EVDL] V2G for my grid tied solar? (constant current charging)

2019-09-02 Thread Lee Hart via EV
Peri Hartman via EV wrote: Well, if it's current that varies, it makes sense. Maybe I misunderstood, but your prior post says "any voltage from 0 up to...". Bob is right; PV panels do behave somewhat like a current source. If you look at a graph of voltage vs. current at some fixed light

Re: [EVDL] How to stop/slow down lead/acid battery terminal corrosion

2019-08-31 Thread Lee Hart via EV
Roger Daisley via EV wrote: Does anyone have a favorite solution to terminal corrosion in lead/acid battery packs? I see a battery terminal spray at O'Reilly Auto parts ... junk or effective? My favorite solution is to smear them with a liberal coating of vaseline. It works as well as the

Re: [EVDL] buying used Leaf BMS

2019-08-26 Thread Lee Hart via EV
evtlfp20 via EV wrote: I'm looking at leafs with higher milage becuase, less money up front. I only drive 5k or less a year , my gas bill is like $10 - $20 a mth . most of the used non delaer leafs are in potland, or and i'm 70 miles away , so im asking best way to puchase , sence range would

Re: [EVDL] AM radio and EV's

2019-08-24 Thread Lee Hart via EV
Robert Bruninga via EV wrote: Was just reading a DC Power supply article and it casually mentioned the benefit of moving to higher frequency for DC/DC convresion in not only efficiency, but also, by being above 2 MHz, there are no harmonics in he AM band. Nice to know they are thinking about

Re: [EVDL] 3whl diy EV.uk> plastic-shelled, balsa-wood, duct-tape -signed

2019-08-21 Thread Lee Hart via EV
From: EVDL Administrator via EV >I remember reading of Cedric Lynch's motor and vehicle many years ago and am >pleased to hear that he and it are still active. Lynch is a genius Yes, he proves that the spark of genius is not dead, and that the lone inventor can still accomplish great things.

Re: [EVDL] sources for 12vdc to 24vdc converters

2019-08-20 Thread Lee Hart via EV
From: Willie via EV >> How long do you need that 1kw of power? If short-term, how about two 12v >> batteries in series? >100% duty cycle. I'm exploring using Enphase M215 micro inverters >powered from an EV's 12v DC-DC following this scheme:

Re: [EVDL] sources for 12vdc to 24vdc converters

2019-08-20 Thread Lee Hart via EV
From: Willie via EV >Subject: [EVDL] sources for 12vdc to 24vdc converters >Can anyone suggest? Looking for 1kw or larger. Seems like something you would be found for long-haul truckers. Many of their accessories are 24vdc, but some truck only have 12v systems. How long do you need that 1kw

Re: [EVDL] The Tesla conspiracy

2019-08-17 Thread Lee Hart via EV
EVDL Administrator via EV wrote: Anyone who says "there's no stopping it" or "there's no going back" hasn't been paying attention to politics and business. :-( Amen to that. People were saying the same things back in 2000 at the peak of the last EV boom cycle. But look at how fast EVs

Re: [EVDL] Solar car

2019-08-14 Thread Lee Hart via EV
Lawrence Rhodes via EV wrote: The Lightyear is a good first attempt. However it is too heavy for the solar panel and too expensive. The sub 1000 pound weight of the Stella solar cars is what made them viable. Who needs air bags when you have 5 point seat belts. Lawrence Rhodes Alas, air

Re: [EVDL] Hyundai releases solar roof vehicle.

2019-08-06 Thread Lee Hart via EV
Alan Arrison via EV wrote: The usual waste of time and money. I'm sure the numbers are theoretical best case scenario. One thing they don't talk about is how much power the car takes just from sitting. I was surprised to discover that my Prius draws about 30ma from its 12v battery

Re: [EVDL] EVLN: Farm EVs & PV-powered auton e-bot planter, weeder swarms> ag e-transition= e-revolution

2019-08-04 Thread Lee Hart via EV
Jan Steinman via EV wrote: Fully electric agriculture is going to be a tough nut to crack. Sure, "gators" and light-duty equipment might go electric, but pulling a six-bottom plough through clay soil for twelve hours? Ain't gonna happen in MY lifetime! It is indeed a challenge. However, there

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

2019-08-03 Thread Lee Hart via EV
Larry Gales via EV wrote: Those sound like real world solutions to me EVDL Administrator via EV wrote: I totally agree! You're describing a Tesla. But that's my perspective and yours, not the average US vehicle buyer's. ... To sum up, here is why Americans bought 817% more Cherokees than

Re: [EVDL] sumitomotire.com energy generating tires> frictional charging

2019-07-31 Thread Lee Hart via EV
Rod Hower via EV wrote: The article talks about enough power for a Tire Monitoring Pressure System, which requires milliAmps to power the sensor >>> >>> Correct.  However, following the main article, Bruce's post references 3 >>> more articles, all of which suggest that energy recovered

Re: [EVDL] V2H

2019-07-29 Thread Lee Hart via EV
From: 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. Perhaps it is a legal issue? In most parts of the

Re: [EVDL] anything to "watch out for" with refurbished EVSE

2019-07-26 Thread Lee Hart via EV
Robert Bruninga via EV wrote: We have inspired dozens of local EV CHarging Spots byt simply getting people to put up signs over outdoor outelts. The value is not for the 1% who might use it , but for the 99% who pass it every day and subliminally realize the EV charging is avaialble anywhere

Re: [EVDL] Range+grip: Leaf EV tires that increase range

2019-07-22 Thread Lee Hart via EV
Mr. Sharkey via EV wrote: Bill Egan, not Tom, I realized that as soon as I pressed 'send', but you can't suck the data back to correct. Catching tire wear before it shows in the tread is preferable to learning the hard way, after the rubber is deposited as dust all along the roadway. Was it

Re: [EVDL] Range+grip: Leaf EV tires that increase range

2019-07-22 Thread Lee Hart via EV
Lawrence Rhodes via EV wrote: After finding tall skinny tires grip better in the rain thus eliminating that concern it appears the heavier Tesla has radically different mpge but similar styling to the total winner Ioniq by Hyundai . The light bubble cars did better in the city while the

Re: [EVDL] Range+grip: Leaf EV tires that increase range

2019-07-22 Thread Lee Hart via EV
Lawrence Rhodes via EV wrote: The i3 runs the wider tires in the rear at 44psi. The Nissan Leaf recommends somewhere in the 30's. I suspect the i3 is more efficient than the Leaf partly because of the tire choices. Our 2013 Leaf has 30k miles on it, and I can say for sure that the stock tire

Re: [EVDL] EVLN: Before Tesla was the tzero> an Alpha EV (v)

2019-07-22 Thread Lee Hart via EV
paul dove via EV wrote: > I don’t know what that means I assume that is a company’s name, > however, what I said was correct. Alan designed the inverter and > electronics for the EV1. Paul is right. It went like this: Aerovironment built GM's 1987 "SunRaycer" solar powered race car. It so

Re: [EVDL] Range+grip: Leaf EV tires that increase range

2019-07-21 Thread Lee Hart via EV
brucedp5 via EV wrote: Let's keep in mind that in the north & north-east states.us have similar cold weather like Canada. Changing a vehicle's tires for a half a year for bad/challenging weather is par/the-norm. Right on, Bruce. That's what we do here in MN, too. Those who try to get by on

Re: [EVDL] EVLN: HMC Twizy-knockoff> with the elderly in mind

2019-07-18 Thread Lee Hart via EV
Gail Lucas via EV wrote: I am seeing that elderly drivers could drive this vehicle on freeways without using the steering wheel. What I would prefer is a slow speed vehicle with about 40 mile range that would stop itself without the driver using the brake pedal. My arms still work but I had to

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

2019-07-18 Thread Lee Hart via EV
Mark Abramowitz via EV wrote: Is solar thermal water heating *still* more efficient? "Efficient" has a different meaning when your energy source is free. Energy efficiency usually means getting the most good out of a finite source of energy. Suppose you have a limited roof area that can

Re: [EVDL] Fixing horn honking on Spark EV

2019-07-17 Thread Lee Hart via EV
EVDL Administrator via EV wrote: On 17 Jul 2019 at 23:30, Cor van de Water via EV wrote: Biggest issue is that strongish Radio signals trigger the computer to think the horn button is pressed That makes me wonder what else strong RF might cause the computer to do. Blowing the horn is

Re: [EVDL] Solar off grid with an EV? (transformers)

2019-07-14 Thread Lee Hart via EV
Robert Bruninga via EV wrote: But why are you so determined to use batteries when the cost of grid power is dirt cheap. It all depends on where you live. Some states have net metering; some don't. Some even set up roadblocks, or utilities you a big penalty if you dare to generate your own

Re: [EVDL] Solar off grid with an EV?

2019-07-14 Thread Lee Hart via EV
EVDL Administrator via EV wrote: I don't think the power companies are going to stop pushing back until they've effectively killed grid intertie. No, they're not going to kill it. They want to *control* it; to monopolize it and profit from it. It seems like their model is to promote large

Re: [EVDL] Solar off grid with an EV?

2019-07-12 Thread Lee Hart via EV
Robert Bruninga via EV wrote: No, just because it produces 60 Hz AC does not make it a Microinverter. Anyone can make an inverter, They are dirt cheap from 1kw to 3 kW and only cost about 15 cents a watt! You can buy a 2 kW "inverter" for not much more than $300. But that does not make it a

Re: [EVDL] Solar off grid with an EV?

2019-07-12 Thread Lee Hart via EV
Michael Ross via EV wrote: Micro-inverters. Yes, grid tie is best. And most economical and completely normal. That is true for residential solar generally, most homes will benefit from grid tie. So no problem. *If* you have the grid, then grid-tie inverters make sense. No batteries needed.

Re: [EVDL] Untrue/disinformation: charging EVs vs pacemakers

2019-07-08 Thread Lee Hart via EV
Peri Hartman via EV wrote: How is the EMF from charging a car different than from an electric HW heater or an electric range ? A water heater or electric range is basically just a resistor. Its "EMF" isn't anything but 60 Hz -- the same thing that's radiated by every appliance, electric

Re: [EVDL] GNSS spoofing attacks Tesla EVs

2019-06-29 Thread Lee Hart via EV
EVDL Administrator via EV wrote: If only there were some other way to plot a route to my destination, something that can't be altered wirelessly. Hey, I have an idea... "a map" and "a highlighter." There is a long and fascinating history of auto navigational aids. 1909: The Jones "Live Map"

Re: [EVDL] Excellent article

2019-06-28 Thread Lee Hart via EV
Peri Hartman via EV wrote: Yep, these are all good ideas, including making H2 for grid storage. All have their problems, but all can help with the "no wind" days, etc. The big question will be just how much energy can we store with such solutions? Society's thirst for power seems

Re: [EVDL] Excellent article

2019-06-28 Thread Lee Hart via EV
Michael Ross via EV wrote: Electrolysis has thermodynamic limits to efficiency, but making H2 and O2 are a good way to store, large scale, renewable energy for which no other means are as environmentally sound. I happened to see a news article in the June 2019 issue of Machine Design

Re: [EVDL] Excellent article

2019-06-27 Thread Lee Hart via EV
paul dove via EV wrote: I don't believe that is true. I think it's just arrogance like when GM axed the EV1. Read the book The car that could to get a glimpse of the GM culture. Toyota has an enormous amount of clout in Japanese government, business and banking circles. Toyota pretty much

Re: [EVDL] Quirky Spark Charging Pattern

2019-06-27 Thread Lee Hart via EV
Mark Hanson via EV wrote: My 2015 Spark (predicessor to Bolt) off peak charges to 100%. Then if I don't drive it for a day it drops to 80% showing 20% kWh used even though no one drove it. Is it running the air conditioner and heater or something just to waste some energy to put the battery

Re: [EVDL] Lets discourage hydrogen advocates.

2019-06-26 Thread Lee Hart via EV
Gentlemen, please! This is the electric vehicle *discussion* list; not Facebook, talk radio, or a political campaign rally. People who hold an opposing view aren't idiots, crooks, or liars. Let's skip the emotion, and stick to the facts. May I point out that most H2 fueled vehicles *are* EVs?

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

2019-06-19 Thread Lee Hart via EV
David Kerzel via EV wrote: 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

Re: [EVDL] Detect if a ADC 8" is advanced

2019-06-09 Thread Lee Hart via EV
John Lussmyer via EV wrote: Is there any way to tell if an ADC 8" motor is advanced - without pulling the motor out of the car? I have a Sparrow, and want to make sure the motor has been set to advanced timing before I put it all back together. One way is to connect it to a 12v battery, run

Re: [EVDL] ?over-heating?: Costco/Interstate GC2 Golf Battery terminals

2019-06-06 Thread Lee Hart via EV
brucedp5 via EV wrote: Why would Roger consider getting his PbSO4 wet-cells from: Costco, Interstate, or GC2's with small 75Amp golf cart terminals? If for his home solar or his e-tractor http://electrictractor.blogspot.com/ small lead battery terminals for low power use should be OK. I

Re: [EVDL] 48V charger repair: 1980 Comuta-Car

2019-06-03 Thread Lee Hart via EV
Chris Tromley via EV wrote: If a simple, old-school and cheap solution is desired, I still have the original 48V transformer charger from my Lectric Leopard up in my attic. I bought the car with only a few hundred original miles and immediately upgraded everything to 120V, so it can't have been

Re: [EVDL] 1980 Commuta-Car

2019-06-03 Thread Lee Hart via EV
Gail Lucas via EV wrote: Lambert, I have a 48 Volt charger in a box in my garage that I believe is new. I ordered extra parts for my C-Cars many years ago and have not used quite a few of them. If you would like this charger and can get it from Las Vegas you can have it. I can't pack it or lift

Re: [EVDL] 48V charger repair: 1980 Comuta-Car

2019-06-02 Thread Lee Hart via EV
Hi Bruce (and all), Bruce, thanks for digging up the links. A nice trip in the Wayback machine. :-) brucedp5 via EV wrote: When I look at its schematic, it reminds me of what I cut my teeth on, way-way back in grade school talking electronics with my Lockheed Engineer Dad... ( : old : ).

Re: [EVDL] 1980 Commuta-Car

2019-06-01 Thread Lee Hart via EV
Lambert Little via EV wrote: Howdy all--I want to communicate with someone who is familiar with the old Commuta-Car. Mine is a 1980 model with 48-volt system. My charger doesn't work; when I plug the car in, the on-dash charging ammeter bumps, then zeroes. I have a schematic of the system but

Re: [EVDL] BYD's(style.cn) inflated range ratings - how about fossil fuel heaters?

2019-05-30 Thread Lee Hart via EV
paul dove via EV wrote: You are leaving out the self heating inside a battery under load Self-heating helps; but it's not much unless you are discharging the batteries pretty quickly (like a full discharge in less than an hour). The heat from internal resistance is proportional to I^2R, so

Re: [EVDL] BYD's(style.cn) inflated range ratings - how about fossil fuel heaters?

2019-05-29 Thread Lee Hart via EV
Robert Bruninga via EV wrote: wouldn't it be just as easy to insulate the battery and provide a small electrical heat source. 100W or so? Lets say a 1000 lB battery. It takes 1 BTU to raise one pound one degree. To raise 1000 lbs say 40 degrees from 0F to 40F would take 40,000 BTU or about 11

Re: [EVDL] BYD's(style.cn) inflated range ratings - how about fossil fuel heaters?

2019-05-29 Thread Lee Hart via EV
Peri Hartman via EV wrote: If you're building from scratch, wouldn't it be just as easy to insulate the battery and provide a small electrical heat source? If well insulated, how much power would it take? 100W or so, or am I completely off. It would of course depend on the physical size of the

Re: [EVDL] EPRI TVA VW electric bus

2019-05-26 Thread Lee Hart via EV
Mr. Sharkey via EV wrote: What we seem to have deduced is that the controller and motor are a matched pair. It seems without doubt that the controller manages the voltage delivered to both the armature and the fields, otherwise the "reverse switch" wouldn't be workable. Yes, that sounds

Re: [EVDL] EPRI TVA VW electric bus

2019-05-26 Thread Lee Hart via EV
Mr. Sharkey via EV wrote: It's going to be very interesting to hear your report about this van when you get it running. I can't imagine how they made it even close to streetable with no gear changes and reverse being changing the rotation of that motor! You can get away with that kind of stuff

Re: [EVDL] Does anyone really think Tesla can last?

2019-05-23 Thread Lee Hart via EV
EVDL Administrator via EV wrote: I have a huge amount of respect for Elon Musk, Tesla, Tesla's vehicles, and what they've done to advance the EV cause... But Elon Musk is both Tesla's biggest strength and their biggest liability... Musk should be kept as a creative force in Tesla, NOT pushed

Re: [EVDL] Road Trips: plugin vs EV cost per mile

2019-05-22 Thread Lee Hart via EV
Mark Hanson via EV wrote: It seems that it's cheaper for taking long road trips to buy a Prius Prime vs a pricier Tesla or Bolt with a 60kwh battery pack and pay an average of 28c per kWh average on the road at level 3 fast charging stations. We have shorter range cheaper EVs (Spark bought 1

Re: [EVDL] Formally complain to Nissan If you want an e-NV200 in North America.

2019-05-18 Thread Lee Hart via EV
Willie via EV wrote: On 5/18/19 12:38 PM, Haudy Kazemi via EV wrote: drag and increased energy consumption (and reduced range). Simply raising a vehicle increases frontal area by virtue of the tires being more exposed. I believe the under car air speed is also increased. Or, maybe increased

Re: [EVDL] Availability of public chargers

2019-05-05 Thread Lee Hart via EV
EVDL Administrator via EV wrote: On 5 May 2019 at 20:36, Lawrence Rhodes via EV wrote: If a bunch of students can manufacturer a vehicle that seats 4 with a trunk that can do 400 miles a day that is what GM should be building. Nope. Sorry. GM is a mass market manufacturer. That's a

Re: [EVDL] Availability of public chargers - NOT

2019-05-05 Thread Lee Hart via EV
Robert Bruninga via EV wrote: Good counter arguments! Thanks You're welcome. And Thank YOU for such a cogent description on the number of gas stations and amount of "fueling time that would be needed. I'm no researcher, so it's hard for me to dig up this kind of information. -- "If I

Re: [EVDL] Availability of public chargers - NOT

2019-05-05 Thread Lee Hart via EV
Cor van de Water via EV wrote: Anecdotal evidence: I have charged a grand total of 1 time at the public charging station across the street... So, for me the balance lies at over 99% private charging. I suspect others have similar experience and this skews the picture quite a bit away from

Re: [EVDL] Availability of public chargers

2019-05-05 Thread Lee Hart via EV
Lawrence Rhodes via EV wrote: For all those reasons, Lee mentioned, light weight solar vehicles make sense. If a bunch of students can manufacturer a vehicle that seats 4 with a trunk that can do 400 miles a day that is what GM should be building. Lawrence Rhodes Ah, but what you and I want

Re: [EVDL] Availability of public chargers - NOT

2019-05-05 Thread Lee Hart via EV
Robert Bruninga via EV wrote: I'm not sure EV charging stations will ever be as prolific as gas stations are now. The 300 million cars are served by about 120,000 gas stations in the USA... What about when we get to 300M EVs? Lets assume 80% charge at home leaving 60M needing public

Re: [EVDL] % Google Maps is NOT a reliable tool to find EVSE % (goog-pr)

2019-05-03 Thread Lee Hart via EV
Damon Henry via EV wrote: I'm not sure EV charging stations will ever be as prolific as gas stations are now. There will always be a significant amount of people who charge primarily at home, so the demand will be less... Don't know if that is good or bad, but I know very few people have

Re: [EVDL] Travel Scoot in the news

2019-05-03 Thread Lee Hart via EV
EVDL Administrator via EV wrote: What about nimh? Good thought! The only possible problem with that is that in recent years I've found it difficult to find good quality high-rate NiMH cells. Indeed. You know the old saying; the Bad drives out the Good. I wonder if one could use a set of

Re: [EVDL] Travel Scoot in the news

2019-05-02 Thread Lee Hart via EV
EVDL Administrator via EV wrote: Formerly you were allowed to travel with a lithium-ion battery of less than 300Wh. The standard lithium battery for the current "normal" Travelscoot model is 274WH. However, on at least some airlines, now I see a 160Wh restriction... Older Travelscoots used a

Re: [EVDL] OT: Wind boost converters

2019-04-23 Thread Lee Hart via EV
Mark Hanson via EV wrote: Hi Ron Solberg etc All small wind turbines like my Bergey XL-1 have boost converters on them to change the varying voltage to a constant float voltage for the L16 batteries you mentioned. 13.8v is maintained per 12v increment or for your 48v system you would use a

Re: [EVDL] NMC /w zero volts

2019-04-19 Thread Lee Hart via EV
evtlfp20 via EV wrote: Third, if you were able to charge them, check their internal resistance. It cannot be the "17-22 meg" that you said. Did you mis-type, and it's really 17-22 milli-ohms (0.017 to 0.022 ohms)? How did you measure it? Hi evtlfp20, A good battery's internal resistance is

Re: [EVDL] NMC /w zero volts

2019-04-19 Thread Lee Hart via EV
Michael Ross via EV wrote: Keep in mind that many hand held meters cannot accurately report mOhms. You should look up the specs on your meter to see what it is actually capable of. Indeed, most normal meters are inaccurate below about 1 ohm. Their own lead wires and internal circuitry adds

Re: [EVDL] EV Storage

2019-04-16 Thread Lee Hart via EV
David Delman via EV wrote: Thanks for the ideas Jay. It really isn't practical for me to remove the batteries and rewire them in parallel. I was wondering if I could build a simple "trickle charger" for the entire pack. I envision an isolation transformer 120vac in and 120vac out. The output

Re: [EVDL] EVLN: (EV-charging-101)> Charging without owning a garage

2019-04-01 Thread Lee Hart via EV
Lee Hart wrote: There are lots of solutions. Which one is "best" depends on what you've got, what you want to spend, and how good it needs to be... One more thing occurred to me. Here's a way to "trick" a modified sinewave inverter into producing a better sine wave. Connect an induction (or

Re: [EVDL] EVLN: (EV-charging-101)> Charging without owning a garage

2019-04-01 Thread Lee Hart via EV
Ron Solberg or maybe Willie via EV (I can't tell which) wrote: Well back to your question. Presumed to be "Can I clean up a square wave inverter power to something acceptable to my onboard Tesla charger?" I'm out of my depth. Surely Lee has ideas. In the past, I believe I've seen him

Re: [EVDL] EVLN: (EV-charging-101)> Charging without owning a garage

2019-04-01 Thread Lee Hart via EV
brucedp5 via EV wrote: it boils down to how many range-miles you have left, how many range-miles you need to put back-in to get to the next EVSE, and how much time you have to charge? Overnight sleep or @work, plan to charge for at least 7 hours. L1 might regain you (3.5mph*7= ) ~25 miles of

Re: [EVDL] EVLN: Mr. Rogers sez> Won't you be my EV neighbor? (v)

2019-03-30 Thread Lee Hart via EV
brucedp5 via EV wrote: https://www.hemmings.com/blog/2019/03/29/lost-and-found-overflow-that-time-mr-rogers-visited-a-mystery-ev-builder/comment-page-1/ Lost and Found overflow: that time Mr. Rogers visited a mystery EV builder March 29, 2019 Daniel Strohl after watching the segment, we’re

Re: [EVDL] NMC /w zero volts

2019-03-23 Thread Lee Hart via EV
evtlfp20 via EV wrote: I recived a shipment of NMC battery pack with zero volts across 12s , and yes they all showed zero. I read about bumping the cells with nicad setting to get them to 3 volts so the normal charging could begin and most of them charged to Storage voltage and have held with

Re: [EVDL] plusing charger controller / no bms

2019-03-22 Thread Lee Hart via EV
Dan Baker via EV wrote: Thanks guys for the information. Ken and I are reaching out for help so don't spank us yet for putting in something dangerous lol. Hi guys, I'm not trying to "spank" anyone. Just get them to look before they leap! Did you ever have a (usually teenage) friend say,

Re: [EVDL] plusing charger controller / no bms

2019-03-22 Thread Lee Hart via EV
ken via EV wrote: My charger is set to be the right voltage but the old cells being 22 in series string they need to equalized out at the top/end of the charge. this requires some battery baby sitting, if your cells are staying very well balanced then your voltage cut off method/gadjet may be

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

2019-03-17 Thread Lee Hart via EV
>>> “Rivian, a Michigan-based startup that could become the first >>> automaker to bring an all-electric pickup truck to market” Cor van de Water via EV wrote: Ahem, my all electric pickup truck manufactured by US Electricar in 1994 is certainly not the first paul dove via EV wrote: Ford

Re: [EVDL] Alibaba/Aliexpress Lithium

2019-03-14 Thread Lee Hart via EV
Michael Ross via EV wrote: I am not sure about previous discussions and you may know this: Peukert's Law is not applicable to Li ion cells in any way. It only relates to lead acid cells. I agree with the rest of what you said, but not with this. Peukert's law says nothing about the chemistry

Re: [EVDL] Bright Way vs. Universal Power Group

2019-02-18 Thread Lee Hart via EV
Ken Olum via EV wrote: Hi, all. I'm trying to replace the UB121350 AGM batteries that I have in my Electric Ox. I ordered new ones from Wholesale Batteries Direct, but they are out and Universal Power Group is out at the warehouse also. They recommended that I get the Bright Way Group BW

Re: [EVDL] EV familiarity

2019-02-18 Thread Lee Hart via EV
Robert Bruninga via EV wrote: Right now, a negligible number of people drive EVs. The public at large still considers them golf carts, or rich yuppie toys. But each of us can make a huge difference. Back in 2011, I bought some professional EV charging Outlet signs and hung them on the two

Re: [EVDL] Oil buying up EVSE.net charging> fossil buy-in

2019-02-17 Thread Lee Hart via EV
Darryl McMahon via EV wrote: Pardon my cynicism, but what if the oil industry's interest in EV charging stations is not simply a relatively benign profit motive? I'd say the best-case scenario is that the oil industry simply wants to make money off EV charging. In that case, they would simply

Re: [EVDL] Oil buying up EVSE.net charging> fossil buy-in

2019-02-17 Thread Lee Hart via EV
Cor van de Water via EV wrote: That is where voters come into the picture. Utilities and oil companies can't do anything that the voting majority does not allow, iether directly through their representative lawmakers or indirectly through the regulating PUC. So, go out and vote AND educate other

Re: [EVDL] Oil buying up EVSE.net charging> fossil buy-in

2019-02-17 Thread Lee Hart via EV
Peri Hartman via EV wrote: That's a scary thought. I don't see it happening though. And I think the reason lies in the balance between home charging and public EVSE charging. As long as there are enough people home charging, they won't be complacent to demands by power company lawyers. But I

Re: [EVDL] Oil buying up EVSE.net charging> fossil buy-in

2019-02-17 Thread Lee Hart via EV
Robert Bruninga via EV wrote: If I know I can always charge at home, I will not twiddle my thumbs at a 20 minute FILLUP convenience store, but will only putin 5 minutes of charge to get home and fill up there. Ah, but you underestimate the power of lawyers, laws, and money. What if they pass

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

2019-02-16 Thread Lee Hart via EV
paul dove via EV wrote: The main point is that a lithium battery fire is a chemical fire supplying its own oxygen so it can’t be smothered. One must remove the heat and bring the temperature of the the battery below the thermal run away point. I watched videos of firemen trying to douse a

Re: [EVDL] EVLN: EVs good for Nevada Economy (v)

2019-02-04 Thread Lee Hart via EV
paul dove via EV wrote: Where do you get these batteries 80% off. I paid $1.20 an Ah in 2009. I need some $0.24 per Ah batteries. Well, plain old alkaline AA cells are often on sale for $0.25 each, and they are over 1 amphour. :-) Non-rechargeable, of course. Or, the Chinese advertise AA

Re: [EVDL] Patty's Motor Car (1911 EV)

2019-01-29 Thread Lee Hart via EV
Robert Bruninga via EV wrote: I read it on the train. Here is my one page book report on Patty’s Motor Car (1911): http://aprs.org/Energy/EV/Patty-b.docx Thanks, Bob. I have an EV book of that vintage as well. "Tom Swift and his Electric Runabout" by Victor Appleton, copyright 1910. If

Re: [EVDL] 18650 cell level fuse wire

2019-01-21 Thread Lee Hart via EV
EVDL Administrator via EV wrote: On 21 Jan 2019 at 1:18, ken via EV wrote: What is a 10ths wire? ten thousands Wire of any kind or size is not an adequate substitute for a fuse. Most fuses *are* a piece of wire of adequate size. :-) The trick is in the choice of wire, and in how it is

Re: [EVDL] Petulant trucker-hat-wearing duo of dolts foolishly finger-gesture !rump: chanting trucks ...

2019-01-20 Thread Lee Hart via EV
Tom Hudson via EV wrote: Agreed about the signage... but I think these Neanderthals would do it anyway. We need to get photos of the offenders every time it happens and document it. Using this kind of evidence, I'm hoping to get a state statute against this crap here in Wisconsin so that when

Re: [EVDL] Further evidence

2019-01-20 Thread Lee Hart via EV
Mark Abramowitz via EV wrote: I don’t know if they will or won’t bring in additional services, I only know about the discussions on charging. However, I suspect that bringing these other things would require a change in statute, and would further be very controversial. I don't know about

Re: [EVDL] EVangel-about: segs4vets.ngo converts-Segways 4disabled veterans

2019-01-19 Thread Lee Hart via EV
brucedp5 via EV wrote: {I'm trying to postpone having to use a e-mobility cart as long as I can, but I know it is in my future as each step is large amount of arthritic pain. But as I push through the pain (not unlike a young man feeling an exercise-burn of trying to build his muscles/to get the

Re: [EVDL] Rant: not charging in an EVSE spot> extremely frustrating

2019-01-19 Thread Lee Hart via EV
Lee Hart via EV wrote: Though I might add that form has not followed function in automobiles for a very long time. They are all about styling and cost. The internals reflect good science and engineering, but the bodies are almost 100% styling. Willie via EV wrote: I can't completely agree

Re: [EVDL] Rant: not charging in an EVSE spot> extremely frustrating

2019-01-10 Thread Lee Hart via EV
EVDL Administrator via EV wrote: On 9 Jan 2019 at 16:19, Willie via EV wrote: From what little I know of CCars, I would say that the most horrible, overwhelming weakness is the body material that falls apart after a few sun years. They painted it with catalyzed acrylic enamel. That was

Re: [EVDL] Rant: not charging in an EVSE spot> extremely frustrating

2019-01-09 Thread Lee Hart via EV
Willie via EV wrote: Yes, it was ugly, and crude, and not very reliable. Nevertheless, they were able to find a market niche where people didn't care what it looked like. They sold thousands of CitiCars. Who are you calling "ugly"? :-) I accept crude and not reliable. I'm with you, Willie!

Re: [EVDL] Rant: not charging in an EVSE spot> extremely frustrating

2019-01-09 Thread Lee Hart via EV
Gail Lucas via EV wrote: Just learned a new word: hidebound. There are SO many different car styles there must be wide preferences in appearance. Same as with clothing, houses, even food shown on the internet in pictures of what someone had for lunch and think anyone cares. Twizy and Citicar

Re: [EVDL] Rant: not charging in an EVSE spot> extremely frustrating

2019-01-09 Thread Lee Hart via EV
Bobby Keeland via EV wrote: For me a battery electric vehicle does not need to look like a goofy toy. Willie via EV wrote: Of course, a BEV does not NEED to look any certain way. Beauty is in the eye of the beholder. Form follows function. Certainly the hidebound will demand certain

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