Re: [EVDL] plusing charger controller / no bms

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 go

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

>>> “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 mad

Re: [EVDL] Alibaba/Aliexpress Lithium

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 i

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

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 EV12-1

Re: [EVDL] EV familiarity

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 ligh

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

paul dove via EV wrote: The way I heard the story was that he made big promises but failed to deliver. He had trouble managing money apparently not unlike Nikola Tesla. Here’s an article in Forbes that has part of the story. Like many innovators, Ovshinsky focused more on the ideas and invent

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

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 &utilities buying up EVSE.net charging> fossil buy-in

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 &utilities buying up EVSE.net charging> fossil buy-in

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 thi

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

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 l

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

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 lithium

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

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 "1

Re: [EVDL] Patty's Motor Car (1911 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 you'v

Re: [EVDL] 18650 cell level fuse wire

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 pa

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

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

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 CA,

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

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&Rave: not charging in an EVSE spot> extremely frustrating

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

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

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 supp

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

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&Rave: not charging in an EVSE spot> extremely frustrating

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 styl

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

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 appeara

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

EVDL Administrator via EV wrote: IMO, Rick's idea with the Tango was brilliant... The problem was the car's price. Also, people with money don't want tiny, weird cars. They want big, luxurious cars. Elon Musk understood all this intuitively... I'm glad he's still pursuing his dream. I hope he

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

Paul Compton via EV wrote: On Mon, 7 Jan 2019 at 23:41, Gail Lucas via EV wrote: I would like to see the car succeed as I think safety, in addition to other features, was excellent. I disagree, Rick's attitude was 'crumple zones are marketing hype'. Yes, you need a strong cage to limit crus

[EVDL] On the "hopeless" challenges of converting a car into an EV

Sigh... rarely have I seen more EV mis-information in one place. https://hackaday.com/2019/01/04/why-converting-classic-cars-to-electric-drive-is-a-thing/ They describe EV conversions as incredibly complicated and expensive; "toys" for the ultra-rich. They seem to think it can only be done by

Re: [EVDL] fusewires for 18650 cells

ken via EV wrote: Thou my cells are rather close in capity, I'm still thinkng of using fuse wire as in the telsa pack . If i used the phone cable 2 pair cable that runs around houses and used 3/4 inch form cell to bus bar would my 10 amp cells be protected ? As mentioned, phone wire is not

Re: [EVDL] OT: Keeping hydrogen for transportation “cleaner” (GHG emissions) than the grid

From: Mark Abramowitz via EV >See the subject of the thread for the bottom line answer, though things are >never as simple as a one-liner. That's for sure! It's not a simple problem; so there are no simple answers. If anyone who has a simple answer, it's probably wrong. :-) >For someone who wa

Re: [EVDL] Efficiency Compared: Battery-Electric 73%, Hydrogen 22%, ICE 13%

From: Lawrence Rhodes via EV >Subject: [EVDL] Efficiency Compared: Battery-Electric 73%, Hydrogen 22%, ICE >13% > With the numbers in the subject line. Why would anyone pick fool cells. Readers on this list are part of a very small minority that actually think about efficiency. The sad fact is

Re: [EVDL] EVLN: Toyota dealers say there is no sale$ demand.us forEVs

paul dove via EV wrote: I think that is true initially. But if you can get them to take the first bite they adapt very quickly. We bought a Model three for my wife to drive. She had range anxiety so we got the big battery with advertised 310 miles of range. When we first got it she would charge i

Re: [EVDL] Toyota and the hydrogen wish.

Peri Hartman via EV wrote: I like the last idea - Teslas to senators - but, I believe, it violates the gifts ethics rules. Oh, well. It would be effective. I like the idea, too. :-) Apple did something similar, by selling their computers to schools cheap, or even giving them away. It got their

Re: [EVDL] EVLN: Toyota dealers say there is no sale$ demand.us forEVs

it takes too long to recharge an EV EVDL Administrator via EV wrote:> Maybe not for long. Competition is starting to build for the fastest charge time. A couple of months ago, Porsche said they plan to develop their own high speed charging network for their forthcoming EVs. Their goal is to

Re: [EVDL] EVLN: Toyota dealers say there is no sale$ demand.us forEVs

Cor van de Water via EV wrote: I am wondering if Toyota... invested in Hydrogen, and now feels burned with developing new technology... or is comfortably milking their Hybrid technology... Or this was purely a *dealer* driven story, which should not determine their strategic direction…. Time will

Re: [EVDL] 600 dollar answer to a 3000 dollar problem.

The fundamental problem with these coolers is that they don't actually provide much cooling. Air conditioners used to be rated in "tons", which meant the number of tons of ice it would take to provide the same cooling. A 12,000 BTU air conditioner running for one day (24 hours) provides about t

Re: [EVDL] poor 2011 Leaf performance

Steve Heath via EV wrote: I'm not sure that I understand what the further complications are. As far as I can see, it should be just simple math. The energy use measured at the motor should be the same as the energy consumed at the battery, minus some percentage for losses in the controller, whic

Re: [EVDL] poor 2011 Leaf performance

George Tyler via EV wrote: I know my Prius computers draw a total of 250W standing still. if the leaf was similar, whats 250Wh consumed in an hour even if you did not move. Just a quick data point: My wife drove our 2013 Leaf to choir practice this evening. Temperature about 15 deg.F. It used

Re: [EVDL] EV emission limits

Robert Bruninga via EV wrote: Looks like EVs and hybrids get an exemption from RF emission limist of the FCC’s part-15 limits. Looks like one could bulid a 1 MHz transmitter right in the middle of the AM broadcast band and run it at 50,000 watts from an EV battery and not violate part-15 limits!

Re: [EVDL] EV sounds

Robert Bruninga via EV wrote: What I'd really like to see is an EV sound box that sounds like some of the extrordinary sounds collected in this Video. Great arc-n-spark shows! :-) My favorite EV sound effects were produced the monster General Electric GG-1 electric locomotive. First built in

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

Mark Abramowitz via EV wrote: Customer: The “X” feature in my car doesn’t work right. Dealer: That’s okay. We think that it’s “better” to use something else. That’s acceptable? Really? Sure it is! Marketing will convince him. Look, we've been convincing them to buy our ICEs for years! :-)

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

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) elsew

Re: [EVDL] NICAD Batteries

ROBERT via EV wrote: I do not understand your statement "Also, I learned not to put them in an aluminum box " The original boxes were made of aluminum. In addition, I think all aircraft NiCad use aluminum boxes. My experience is that the potassium hydroxide electolyte is highly corrosive to a

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

paul dove via EV wrote: Is the problem radiated emissions or conducted emissions anyone know? If radiated, it will cause problems not only for your own car; but will also wipe out AM in the car next to it! Our Prius has an AM radio, though it has a "tin ear" -- poor weak signal receptio

[EVDL] Curtis 1227-2406 controller docs

Hi all, A friend called me today. He's building a personal mobility vehicle, and acquired a Curtis 1227-2406 controller on ebay for it. I can't find any data on this particular model. It appears to be a Curtis 1207B model (24v, 200a, microprocessor programmable). The 1207 has a whole range o

Re: [EVDL] NICAD Batteries

Mark Abramowitz via EV wrote: I’m pretty sure that hazardous waste drop-offs do not recycle the batteries. Let me edit correct that - that is, unless they say that they do. Even then, I'm not even sure they do. The guy at the counter might not know. You'd have to explicitly say they were nic

Re: [EVDL] Easy to hard solar charging.

EVDL Administrator via EV wrote: On 30 Oct 2018 at 12:12, Lee Hart via EV wrote: Perhaps the panels could be stored when driving, and opened up when parked? Sounds technically feasible, but limited in utility. For one thing, I don't think that the in most cases it would be feasible fo

Re: [EVDL] Easy to hard solar charging.

Robert Bruninga via EV wrote: Towing a simple 4'x4' garden trailer behind my priius drops MPG from 55 to 40. A huge drop. And solar might do well in summer, but with only 27 degree sun angles at noon in the winter. your power is only 45% Of course, aerodynamics are everything. Was your trailer

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

Lawrence Rhodes via EV wrote: Did you see the price? Not practical. Lawrence Rhodes Who buys Corvettes because they're "practical"? -- Obsolete (Ob-so-LETE). Adjective. 1. Something that is simple, reliable, straightforward, readily available, easy to use, and affordable. 2. Not what the sales

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

Lawrence Rhodes via EV wrote: I can't get my son to drive the Leaf for anything but Lyft. He says the girls think it's cool he can drive a sticksheesh... Well, Duh! My son is the same way. He thinks our Leaf and Prius are lame-o geek-mobiles, and so always drives our pickup. He too has T

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

Robert Bruninga via EV wrote: I donno. My family of four before the kids left had 5. Not a one cost more than $5k. Salvage Priuses for daily use, plus a gramma's hand-me-down Geo Metro and an old Ford van for occasional towing and hauling. And a few un-registered old EV projects out back. T

Re: [EVDL] Automaker pitches (Call for nationwide U.S. EV Mandate) woo

Peri Hartman via EV wrote: I don't particularly find GM to be altruistic. Am I right, reading between the lines, the GM fears a repeat of the Japanese takeover in the '70s ? This time around, VW and other European manufacturers are ramping up to an all-EV fleet. If they succeed, my guess is they

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

Peri Hartman via EV wrote: The Stella is an awesome example of what can be done. Aside from what Lee says, which I think is one area of resistance, another big problem is need for a variety of uses. What I mean is I (or you or the huddling masses...) want something that works for a 15 mile solo

Re: [EVDL] Reconfigurable Battery Packs

Ed Blackmond via EV wrote: Another way to approach it is to use the switching to build an AC rather than DC battery pack. By switching between different series/parallel combinations it is possible to create a multi-level converter. This can create very good sign waves without a frequency compone

Re: [EVDL] Reconfigurable Battery Packs

bvgandhi via EV wrote: Hi, I have lately come across a lot of work done on reconfigurable battery packs which uses the concept of scheduling of battery cells. Instead of oversizing the battery pack with too many cells and adding additional failure modes, reconfiguration works on the idea of usin

Re: [EVDL] Lithium EV battery in colder weather

Jay Summet via EV wrote: Note that using a battery (both charging and discharging) will heat the battery because of the waste heat loss inherent in the inefficiencies of the charging/discharging process. That's true. But the efficiency of good EV cells is high (95% or more) that very little wa

Re: [EVDL] Lithium EV battery in colder weather

Robert Bruninga via EV wrote: I know that Lithium batteries perform worse at lower temps. But what does that mean? Charging, or using? which is worse. Does cold prevent the battery from accepting a given capacity, or does cold prevent one from using a given capacity that is already in the batter

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

Peri Hartman via EV wrote: I think what would be interesting, perhaps not so practical, would be to design an EV for aerodynamcis. But, when parked, it would "unfurl" a large collection of solar panels which could be more-or-less aimed. Various people have done this as a "one off" experiment. I

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

Alan Arrison via EV wrote: The numbers don't add up for solar panels on automobiles, never have, never will. Except that there are numerous examples of solar-powered vehicles that *have* demonstrated substantial range at highway speeds. There is no way it gets even 20 miles per kWh under an

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

Robert Bruninga wrote: Simple answer I use is that 12 full size home panels can fully charge a typical EV to the American average 40 miles a day forever. But it is far mor economical to put those on the roof of your house or garage than on the car. That's true... if you have a garage, or own

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

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. The problem is that most pe

Re: [EVDL] 12 v desulfator charger

>From: Lawrence Rhodes via EV >There used to be a Canadian charger company that had a desulfator function. >Sol something. Can't remember the name. Can someone remember or recommend >an inexpensive charger/ desulfator.  I am going to use Genesis 12v 13 ep. 4 in >series.  I want to use four

Re: [EVDL] Why I Won't Buy a Tesla

Rod Hower via EV wrote: >>> You probably shouldn't use microcontrollers because they have >>> millions of transistors with the potential of failure... David Roden wrote: >> I don't think it's quite the same. The microcontroller has lots >> of semiconductors, but they're all formed at one go on one

Re: [EVDL] EVtax: $150yr, $75yr for pih& hevs in MS (v)

brucedp5 via EV wrote: JACKSON, MS (WLBT) - Owners of hybrid and electric vehicles in Mississippi received a notice from the state Department of Revenue informing them of the new annual tax on their vehicles. The new tax, which took effect on October 1, will tax $75 for hybrid vehicles and $150

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

Jay Summet via EV wrote: However, the availability of used / salvage large format cells will increase greatly as more and more EV's are crashed or reach end of life for other reasons. That's true. It benefits hobby EV'ers like me. :-) But, the hobby EV market is almost dead. It seems that no o

Re: [EVDL] Big Batteries in 1957

>> I keep wondering when someone will pile hundreds of lbs of lithium >> cells on a bicycle, and ride it 1001 miles to beat their record. Peri Hartman via EV wrote: 1000 miles on a bike: the limiting factor isn't the battery, it's the butt ! Indeed! OK, so use a 3-wheel recumbent with a good s

Re: [EVDL] Big Batteries in 1957

Robert Bruninga wrote: This is the 101'st anniversary of Sputnick... Sputnik was a monumental achievement. It was instrumental in putting mankind in space. It certainly inspired me (and I was only 7 at the time). Though it was just 61 years ago (not 101). It had taps for powering the screen

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

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. Fits nice. But make s

Re: [EVDL] Products with temperature sensing in the AC plug?

Gail Lucas via EV wrote: Lee, I still have a toaster with a fabric cord. Would it likely have a thermal cutout in the plug? Gail It might! Is the plug unusually large? As I recall, mom's was black bakelite, round, in two halves and riveted together. There was no obvious way to get at the wire

Re: [EVDL] Products with temperature sensing in the AC plug?

Peter Gabrielsson via EV wrote: Can any of you oldtimers think of any product that had temperature sensing in the AC plug? Preferably from before 2011. I suspect it's an old and "obvious" idea that's been used at various times by various manufacturers. Home microwave ovens were first offered

Re: [EVDL] Large Format Cells vs. Small Format Cells for EVs

George Tyler via EV wrote: From my experience, we had an in-house test company that ran independently, we wanted to know the truth, results are not released to the public but used to improve reliability. The name of the company is at stake. When I see something like a cell phone company that has

Re: [EVDL] Large Format Cells vs. Small Format Cells for EVs

Michael Ross via EV wrote: Yeah, I wouldn't say prove either. But testing can be far better than the old tried, and not very good cycling tests. It all depends on who is doing the testing, and why. If it's being done by marketing to promote sales, they're likely to pick a test procedure that

Re: [EVDL] Fwd: A comparative efficiency study of silicon-based solid state transformers - IEEE Conference Publication

From: Jan Steinman via EV >> In summary a solid state transformer is less efficient > I'm certain this is not true, even on a Pin vs Pout basis, and certainly > not on a size or weight basis. > > Eddy-current losses and I2R losses are greater the lower the frequency. > By choosing the frequency a

Re: [EVDL] DC-DC

From: Gary Krysztopik via EV >I have two of these (not working) for free if anyone wants to fix them. >You pay shipping from Oregon. I can fix them, but am not sure it's worth the effort. I've fixed a few of them. The "how-to" is in the EVDL "files" section. The repairs don't last. You fix one

Re: [EVDL] DC-DC

From: Robert Elton via EV >Hi Folks, has anyone modified the DLS-55 (build date April 2015) or later to >accept a DC input? I bought one to replace a 2009 model but IOTA Engineering >say it can't work with DC input. It does deliver a 14V output but drops >voltage the moment you put load on it. The

Re: [EVDL] Roland Wiench

EVDL Administrator via EV wrote: If you've been on the EVDL for a while, you probably remember reading posts by Roland Wiench... I'm sad to report that Roland passed away on the 16th of March this year. I am deeply saddened to hear of Roland's passing. He was a real EV pioneer! I don't think I

Re: [EVDL] Testing batteries

John Lussmyer via EV wrote: On Fri Aug 17 08:33:16 PDT 2018 ev@lists.evdl.org said: I have been considering renting or leasing my battery balancers. That might satisfy those that don't want to spend any money or make one themselves. But I tried it once; and it took 6 months to get it back. :-/

Re: [EVDL] Mom yanks kids from e-toy-suv w/ smoking pack before it flames

Roger Stockton via EV wrote: In the article it is said to be a "SPORTrax Awesome XL", which does not appear to be a Powerwheels product. It is described as 4WD, and is remote controllable (for parental override) as well as the normal occupant-controllable. Perhaps most importantly, it requires

Re: [EVDL] Testing batteries

ROBERT via EV wrote: Lee, you may be close to a low cost solution. I need to look at the design and a modification. Thanks, Bob. Well, it's an "open source" design . The complete schematics and software are all on the web. The earlier rev.A version would

Re: [EVDL] Mom yanks kids from e-toy-suv w/ smoking pack before it flames

paul dove wrote: Any electrical system can burn up. All you need it to short the battery if there is no fuse or you bypass the fuse then the wire becomes the fuse and can easily catch plastic on fire I agree... but not like that! Something was fueling that fire. Something not normally in a P

Re: [EVDL] Mom yanks kids from e-toy-suv w/ smoking pack before it flames

brucedp5 via EV wrote: https://www.cbsnews.com/news/north-andover-massachusetts-michelle-kline-kids-electric-toy-car-bursts-into-flames-video/ Mother yanks 2 children from electric toy car before it's engulfed in flames There's got to be more to the story. It looks like one of the classic "Pow

Re: [EVDL] Testing batteries

ROBERT via EV wrote: If someone wanted to test 300 - 400 NICAD or NIMH cells for capacity, how can it be done efficiently? I do not want to take 6 months charging and discharging one cell at a time. The purpose of the testing is to match cells so as to build a large battery. Any tester I can

Re: [EVDL] Shorai LiFePO4 LFX36L3-BS12 Longevity Reviews

Mark Hanson via EV wrote: Sounds like it's best to keep a spare small battery capable of 450a or ultra caps by Maxwell etc like Lee mentioned. It's a bummer to be in the middle of a big lake and the boat won't start for the next skier. When an ICE starting battery "suddenly" goes dead, it's

Re: [EVDL] LiFePO4 LFX36L3-BS12 Longevity Reviews

mark hanson via EV wrote: Hi Dave etc, I haven't tested the Ah rating, doesn't matter whether 14ah-probably or the advertised 36ah (just have a few led lights for night when sitting) since I'm more concerned about starting frequently when skiers are in the water (which it does fine). I just can

Re: [EVDL] George Bush father now: Nissan Leaf Compliance car?

Willie via EV wrote: I bought a Leaf in 2011 and was well please for over a year... In two years and 25k miles, the range was down to about 60... was sold to a neighbor... now down to 40-45 miles... Nissan has repeatedly denied any meaningful remedy to both owners. I've seen similar reports of

Re: [EVDL] BMS Master Controller

bvgandhi via EV wrote: Thanks for sharing that Lee, I was trying to understand from the perspective of a heavy duty application something like a class 5 truck. I was wondering , for a pure EV application will an OEM use a Master Controller and expand it to encompass some of the major VCU function

Re: [EVDL] Reposting, Still Need Help, 86 Year Old Uncle Still Trying After 34 Years to Get Bucket List GE EV1-B Based EV Car Running

ptandjb Frontier via EV wrote: Talked again with Flight Systems tech support, they recommended re-manufacture even if they bench test the unit good if we wanted reliable operation. If 33 year old unit is too old to support re-manufacture by them they guaranteed they would have a re-manufactured u

Re: [EVDL] Re; Still Trying After 34 Years to Get Bucket List GE EV1-B Based EV Car

Lawrence Rhodes via EV wrote: I would forget that old style EV1 type controller. A Kelly, Altrax or Curtis controller is so much better. . I don't know anyone that would buy that style of controller. Everyone that did home builds did a chopper controller with a DC brushed motor. The more a

Re: [EVDL] George W. Bush--Father of the modem electric car

Lawrence Rhodes via EV wrote: H. I don't agree. Without the rebate I won't own two Leafs. Lawrence Rhodes Me too. Without the rebates and CA mandates, the automakers would never have produced any EVs. When a technology has a monopolistic "lock" on the market, and benefits from all s

Re: [EVDL] BMS Master Controller

bvgandhi via EV wrote: >> For a BMS of a large battery pack for an automotive application can >> I have all my slave boards connected to the cells and part of the >> pack and a master controller outside the battery pack where I can >> integrate some other control functionality as well? Cor van d

Re: [EVDL] EVLN: That 70's nEV> Elcar.it in response2 OPEC oil, crisis r:55mi

Darryl McMahon via EV wrote: The Elcar 1000 was a hoot to drive. We definitely managed 40 mph. Cornered like a bottom-weighted kid's inflatable punching clown. I think the center of gravity on the Elcar was about 9 inches off the ground. Barely wider than the big motorcycles of the time with t

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

Alan Arrison via EV wrote: All the Chinese cells are junk, especially the CALBS. I would not go so far as to call them "junk", though I too have bought examples that were certainly of very poor quality. Chinese business practices also leave a lot to be desired. The specs aren't honest, and

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

I agree with Cor. I have examples of Thundersky, CALB, and GBS LiFePO3 cells that have failed by turning into resistors. >From: EVDL Administrator via EV >You would need 2 BMSes, but IMO (I am not an expert) it would be safer to >make 2 series strings, and then parallel the strings. That's the

Re: [EVDL] EVLN: 4versions of Arcanum Batmobile> sliders4 desired EV power

Alan Arrison via EV wrote: What a joke... Probably not a joke. More like science fiction (or financial fiction). What was it that P.T. Barnam said about a sucker born every minute? :-) -- There is hardly anything in the world that someone cannot make a little worse and sell a little cheaper.

Re: [EVDL] Charging load on the grid (NOT)

Jim Walls via EV wrote: On 7/29/2018 11:56 PM, Roger Stockton via EV wrote: My experience is that if you are in the habit of turning a light on when you enter a room and off when you leave, that CFLs will die *faster* than incandescents. If you leave a CFL on continuously, it will last much long

Re: [EVDL] Daily driving

Cor van de Water via EV wrote: BTW, Lee, you are not alone. My daily commute is 35 mi round trip. That's TWO people! "You can drive any place that you want, in an electric car." "If one person does it, they may think he's really sick and they won't take him. And if two people,

Re: [EVDL] Charging load on the grid (corrected)

Lee Hart wrote: >> My (many decades old) memory of statistics is that a standard >> deviation assumes a Normal distribution. I suspect that the >> distribution of how many light are left on in a building is a >> long way away from normal. Awesome via EV wrote: >> Well you're wrong. >> The graph i

Re: [EVDL] Charging load on the grid (corrected)

Matt Awesome via EV wrote: It's not that simple. There are huge variations, so the "average" doesn't necessarily apply to all that many people That's exactly what standard deviation is for, to know the probability (or occurrence) of a given situation. A broadly spread dataset is different from

Re: [EVDL] BMS Sensor Selection

bvgandhi via EV wrote: Hi, I was trying to develop a BMS on my own. While I used the Elithion website to guide me through the ASIC selection for my slave board I am not sure as to how do I select my temperature and voltage sensor for an efficient circuit design. I am a mechanical engineer by voc

Re: [EVDL] Charging load on the grid (corrected)

Matt Awesome via EV wrote: Ya gotta think, the crossover between people who use 10x the national average of electricity, as much energy as the rest of their entire block, and people who drive EVs, would drive EVs, or would even care about the monetary savings... is probably exactly zero. It's n

Re: [EVDL] Charging load on the grid (NOT)

Cor van de Water wrote: So a tankless heatpump water heater would be the ultimate Jay Summet wrote: Yes, but you would need an enormous pump, and exterior condenser unit (and a serious electrical service to handle the startup load) to be able to provide the 24-27kw of heating power needed fo

Re: [EVDL] Reduce EV: Charging load on the grid ... LEDs (update)

Robert Bruninga via EV wrote: UPDATE: For grins, I had the LEDs from a second bulb. It fully illuminated at the same 80 volts over 14 LEDs at 60 mA, but was 100% linear among the LEDs. Every one of the LEDs started dim and ramped up linearly and identical to each other just as one would expect

Re: [EVDL] Charging load on the grid (corrected)

Robert Bruninga via EV wrote: I stand by my numbers when corrected to a house that leaves most of their lights on all evening and assuming averqaeg 75 Watt incandescent bulbs originally.. The average house with compulsive behaviors who turn off every unused light will be 10% of this as Matt note

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