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

2019-02-18 Thread Lee Hart via EV
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

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

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

2019-01-08 Thread Lee Hart via EV
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: not charging in an EVSE spot> extremely frustrating

2019-01-08 Thread Lee Hart via EV
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

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

2019-01-07 Thread Lee Hart via 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

2019-01-02 Thread Lee Hart via EV
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

2018-12-24 Thread Lee Hart via EV
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

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

2018-12-23 Thread Lee Hart via EV
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

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

2018-12-15 Thread Lee Hart via EV
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

Re: [EVDL] Toyota and the hydrogen wish.

2018-12-14 Thread Lee Hart via EV
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

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

2018-12-13 Thread Lee Hart via EV
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

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

2018-12-13 Thread Lee Hart via EV
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

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

2018-12-12 Thread Lee Hart via EV
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

Re: [EVDL] poor 2011 Leaf performance

2018-12-07 Thread Lee Hart via EV
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,

Re: [EVDL] poor 2011 Leaf performance

2018-12-06 Thread Lee Hart via EV
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

2018-11-28 Thread Lee Hart via EV
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

Re: [EVDL] EV sounds

2018-11-26 Thread Lee Hart via EV
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)

2018-11-10 Thread Lee Hart via EV
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)

2018-11-09 Thread Lee Hart via EV
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)

Re: [EVDL] NICAD Batteries

2018-11-09 Thread Lee Hart via EV
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

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

2018-11-09 Thread Lee Hart via EV
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

[EVDL] Curtis 1227-2406 controller docs

2018-11-06 Thread Lee Hart via EV
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

Re: [EVDL] NICAD Batteries

2018-11-04 Thread Lee Hart via EV
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

Re: [EVDL] Easy to hard solar charging.

2018-10-30 Thread Lee Hart via EV
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

Re: [EVDL] Easy to hard solar charging.

2018-10-30 Thread Lee Hart via EV
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

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

2018-10-27 Thread Lee Hart via EV
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

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

2018-10-27 Thread Lee Hart via EV
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

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

2018-10-26 Thread Lee Hart via EV
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.

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

2018-10-26 Thread Lee Hart via EV
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

2018-10-25 Thread Lee Hart via EV
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

2018-10-25 Thread Lee Hart via EV
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

Re: [EVDL] Reconfigurable Battery Packs

2018-10-23 Thread Lee Hart via EV
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

Re: [EVDL] Lithium EV battery in colder weather

2018-10-23 Thread Lee Hart via EV
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

Re: [EVDL] Lithium EV battery in colder weather

2018-10-23 Thread Lee Hart via EV
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

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

2018-10-22 Thread Lee Hart via EV
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.

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

2018-10-21 Thread Lee Hart via EV
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

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

2018-10-21 Thread Lee Hart via EV
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

2018-10-21 Thread Lee Hart via EV
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

Re: [EVDL] 12 v desulfator charger

2018-10-13 Thread Lee Hart via EV
>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

2018-10-12 Thread Lee Hart via EV
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

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

2018-10-10 Thread Lee Hart via EV
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

2018-10-10 Thread Lee Hart via EV
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

Re: [EVDL] Big Batteries in 1957

2018-10-05 Thread Lee Hart via EV
>> 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

Re: [EVDL] Big Batteries in 1957

2018-10-05 Thread Lee Hart via EV
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

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

2018-10-01 Thread Lee Hart via EV
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

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

2018-09-27 Thread Lee Hart via EV
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

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

2018-09-25 Thread Lee Hart via EV
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

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

2018-09-14 Thread Lee Hart via EV
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

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