Re: [EVDL] Battery Testers

[Al Lumas via EV]

There are YouTube videos about how to use a 9V alkaline battery (or a fully
charged other pack) to restore the battery pack's ability to be recharged.  
Until you have charged the battery pack, a load tester has nothing to test.

Al 

-Original Message-
From: EV  On Behalf Of Peter Eckhoff via EV
Sent: Sunday, December 10, 2023 4:04 PM
To: Electric Vehicle Discussion List 
Cc: Peter Eckhoff 
Subject: [EVDL] Battery Testers

I have a few Ryobi power packs that won't charge.  This got me to thinking I
would like to get into trouble shooting and battery testing.  I've found a
few sites on Youtube that discuss trouble shooting and battery testing.  A
number of sites use a Atorch DL24 [P] such as this channel:
https://www.youtube.com/watch?v=YQQJHwC4hOY&t=20s

Are there any battery testers that you have used and could recommend?
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Re: [EVDL] California solicits applications for $40 million in NEVI EV charging grants

[Al Lumas via EV]

Didn't EV's precede ICE's more than 100 years ago and were very popular in
big cities that had charging stations every few blocks?  
Henry Ford's wife and many others drove them because they didn't require
hand cranking to be started.  

Al Lumas


-Original Message-
From: EV  On Behalf Of Lee Hart via EV
Sent: Saturday, November 4, 2023 6:39 PM
100 years ago, ICEs started replacing horses. A century later, there are
*still* a small percentage of people using horses. But the vast majority of
people use ICEs.
Le


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Re: [EVDL] VW conversion kit

[Al Lumas via EV]

Forward this link to the someone:


There is one company who offers complete kits with batteries for around $18,000 
or less batteries for a lot less. 
I plan on converting my 1969 VW bug sometime soon. 

Al Lumas 

-Original Message-
From: EV  On Behalf Of Gail Donaldson Lucas via EV
Sent: Saturday, June 4, 2022 10:33 PM
To: ev@lists.evdl.org
Cc: Gail Donaldson Lucas 
Subject: [EVDL] VW conversion kit

Someone asked me if I know where he could find the components needed to convert 
a VW. He didn’t say which one. Any suggestions would be helpful, kit or used 
parts. He is in Las Vegas. 
Thank you for any help with this search. 
Gail Lucas 
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Re: [EVDL] Daily EV miles of a plugin Hybrid

[Al Lumas via EV]

If the gasoline in your tank contains ethanol and you use none of it 
for several months you may have to replace it with fresh gasoline.

Al

At 08:32 AM 12/16/2019, Robert Bruninga via EV wrote:

I just realized that I have been selling Plugin-hybrids short.  For example
I say the PriusPrime has about "30 miles daily electric miles and
600 miles on gas."

But I should be saying 30 to 60 electric miles, or even 30 to 90 electric
miles. Because one could do 30 miles of errands in the morning, come home
(or pluging at work) using a modest 3.3 kW charge, and in 3 hours, get
another 30 electric miles for the afternoon, and come home in the afternoon
and another 3 hour charge and have another 30  electric miles during the
evening.

Note, I carefully do not use the term" range" as it could be confusing.  I
am talking about the number of typical "daily electric miles".

Its an important way to look at "daily electric miles."

Bob
  


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Re: [EVDL] FW: PowerWheels idea (Vehicle-to-home)

[Al Lumas via EV]

Our Sunny Boy solar inverter disconnects from the grid when the grid 
goes down and then provides ~1500W to an outlet we can switch on.

Al

At 02:28 PM 8/14/2019, Bobby Keeland via EV wrote:

Our grid-tied inverters just mostly shut the solar panels down when the
grid is down. As long as the sun is shining we have two special outlets
that will have power after we switch them on to power them. These special
outlets have no power when the grid is working. When the grid is back up we
then switch those outlets back off and plug freezer back into a regular
outlet. This solar module/inverter system was installed in 2014.

On Wed, Aug 14, 2019, 2:06 PM paul dove via EV  wrote:

> I thought grid tied inverters shutdown the solar panels when no grid power
> is detected.
>
  


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

[Al Lumas via EV]

Any shop that sets up motor vehicles with hand controls should be 
able to set up a Polaris GEM or any other low speed vehicle for 
braking (and acceleration if also needed) by hand.

Al

At 03:35 PM 7/18/2019, 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 quit driving when arthritis prevented my leg from moving fast 
enough to use the brakes. I drove a 38 MPH Citicar for many years, 
would be happy with another like that, with automatic braking. Gail 
On 7/14/2019 8:30 AM, brucedp5 via EV wrote: > > 
https://www.japantimes.co.jp/news/2019/07/05/business/corporate-business/honda-unveils-plan-develop-ultramini-electric-vehicles-elderly-mind/  
> Honda unveils plan to develop ultramini electric vehicles with 
the elderly > in mind > Jul 5, 2019  JIJI > > [image > 
https://cdn.japantimes.2xx.jp/wp-content/uploads/2019/07/b-honda-a-20190706.jpg  
>


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Re: [EVDL] Making Fun of EV Owners: F-Tesla_chanting trucks ICEed/blocked all superEVSE @Sheetz.com NC store

[Al Lumas via EV]

I think property owners have the right to post correctly worded "tow 
away" signs and empower any and all EV owners to have an ICE towed 
from a dedicated EV charging spot on the owner's property.


At 06:37 AM 12/31/2018, paul dove via EV wrote:

Most chargers are on private property

Sent from my iPhone

> On Dec 30, 2018, at 11:33 PM, Tom Hudson via EV  wrote:
>
> Does anyone on the list have links to legislation prohibiting 
non-EVs from parking in dedicated EV charging spots?  I'd like to 
try and get ahead of this problem here in Wisconsin and it would be 
great if I had some examples of such legislation when contacting my 
state representatives.

>
> Armed with a state statute prohibiting such blockage, EV owners 
would at least have a chance to get police to deal with these kinds of people.

>
> Please let me know.  Thanks!
>
> -Tom
>
>> On 12/29/2018 3:25 AM, brucedp5 via EV wrote:
>> 
https://www.autoevolution.com/news/making-fun-of-ev-owners-what-is-ice-ing-131262.html

>> Making Fun of EV Owners: What Is ICE-ing?
>> 28 Dec 2018 ...  reports of EV owners being harassed in one way or another
>> ... preferred targets of the people doing this seem to be Tesla charging
>> stations. Witnesses say some of the truck drivers even shout 
profanities at
>> Tesla and EV owners as they park their oversized ICE trucks in 
front of the

>> stations ...
>> 
https://s1.cdn.autoevolution.com/images/news/making-fun-of-ev-owners-what-is-ice-ing-131262_1.jpg

>>
>>
  


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Re: [EVDL] Silicon heat sink grease

[Al Lumas via EV]

At 01:08 AM 2/28/2017, EVDL Administrator via EV wrote:

On 27 Feb 2017 at 20:16, Jay Summet via EV wrote:

> My plan was to hit it with a bit of sand paper just before connecting.

Again, I'm not an expert, but I think I remember reading that sandpaper
isn't so good for this.  It roughens the surfaces, and that actually reduces
the heat transfer.

Someone correct me if this is wrong, but I think a very fine abrasive
compound on the mating surfaces might improve their flatness and fit, and
thus the heat transfer.  Maybe something like jeweler's rouge?  And I think
you'd probably still need heatsink compound.

David Roden - Akron, Ohio, USA
EVDL Administrator


David,
You are correct. A rough surface can reduce the heat transfer.
The primary purpose of thermal interface material is to fill the 
microscopic hills, dales, and pits in the base of the heat sink and 
the device to which it will be mounted. This is so no air is trapped 
which would block the transfer of heat from the device to the heat sink.


For maximum heat transfer, the thermal interface material needs to be 
as thin as possible. The flatter and more polished are BOTH surfaces 
the less (thickness) interface material is needed.  Polishing both 
surfaces should help but you will still need some sort of interface material.


The secondary purpose might be for electrical insulation between 
device and heat sink.


Al Lumas
Retired heat sink field sales engineer.  


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Re: [EVDL] Curtis 1231c rebuild - thermal compound suggestions?

[Al Lumas via EV]

Jay,
It has been more than 12 years since my company was the Northern 
California sales rep for Henkel Loctite's thermal management products.
Back then, Loctite wasn't very distributor savvy and although they 
now have all the major electronic catalog distributors, they 
apparently don't know how to use them to sell all of their products.
I would suggest you ask their customer service how you can quickly 
obtain a sample of their Silverstrate product (aka ECF 1000, aka 
Silverstrate 1000).
Be sure to tell them you are part of a large group of people who are 
involved in the electric vehicle industry and that you are looking 
for a good electrically conductive thermal interface product to 
recommend to your group.


Al

At 06:31 AM 2/27/2017, Jay Summet via EV wrote:

Paul & Al, thanks for the recommendations,

DigiKey part number 473-1121-ND - GREASE CARBON ELEC CONDUCT 2.8OZ 
is my current choice, because it says it's conductive, and I can 
order it today.


I believe that "LOCTITE Silverstrate" is the electrically conductive 
phase change material that most closely matches my need, but the 
henkel website just says

"contact customer service for ordering information"
http://www.henkel-adhesives.com/product-search-1554.htm?nodeid=8799553814529

And digikey and mouser didn't have any "silverstrate" in stock. Can 
you recommend a source where I can order a small quantity? I get the 
impression this might be something used by larger assembly houses 
and difficult for a hobbyist to source. (at least, in $25 quantities...)


Jay



On 02/26/2017 08:24 PM, Al Lumas via EV wrote:

Henkel - LocTite phase change materials are better than grease.
<http://www.henkel-adhesives.com/thermal-management-materials-45894.htm>

At 10:01 AM 2/26/2017, paul dove via EV wrote:

http://www.digikey.com/catalog/en/partgroup/thermal-grease-and-compounds/1206


Sent from my iPhone

> On Feb 25, 2017, at 9:29 PM, Jay Summet via EV 
wrote:
>
> I'm working on replacing the diodes and MOSFETS in a Curtis 1231c,
and need an electrically and thermally conductive heat transfer
compound to put between the MOSFET's/Diodes and the heatsync they
attach to.
>
> They are mechanically attached with screws, so I think a grease
would be fine and I don't need an adhesive.
>
> It's an aluminum heatsync if that matters.
>
> Suggestions I could source from digikey preferred.
>
> Also, I need to mechanically stabalize my capacitors. I'm thinking
of using a high temp silicon, as what was on the pre-existing
capacitors looks a lot like cured silicon, but if you have any
suggestions for stabilization/potting I'm interested in hearing options.
>
> Thanks,
> Jay
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Re: [EVDL] Curtis 1231c rebuild - thermal compound suggestions?

[Al Lumas via EV]

Henkel - LocTite phase change materials are better than grease.


At 10:01 AM 2/26/2017, paul dove via EV wrote:

http://www.digikey.com/catalog/en/partgroup/thermal-grease-and-compounds/1206

Sent from my iPhone

> On Feb 25, 2017, at 9:29 PM, Jay Summet via EV  wrote:
>
> I'm working on replacing the diodes and MOSFETS in a Curtis 
1231c, and need an electrically and thermally conductive heat 
transfer compound to put between the MOSFET's/Diodes and the 
heatsync they attach to.

>
> They are mechanically attached with screws, so I think a grease 
would be fine and I don't need an adhesive.

>
> It's an aluminum heatsync if that matters.
>
> Suggestions I could source from digikey preferred.
>
> Also, I need to mechanically stabalize my capacitors. I'm 
thinking of using a high temp silicon, as what was on the 
pre-existing capacitors looks a lot like cured silicon, but if you 
have any suggestions for stabilization/potting I'm interested in 
hearing options.

>
> Thanks,
> Jay
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Re: [EVDL] Forklift Battery Options?

[Al Lumas via EV]

If you are in the SF Bay area you might call or visit Bobcat Battery 
210 San Jose Ave # 1, San Jose, CA 95125  (408) 295-7100.
They might have some used industrial grade batteries for your 
forklift that still have a few years life in them.

Al Lumas



At 11:54 AM 1/4/2017, Jack Wendel via EV wrote:

I just purchased a used Yale order picker electric forklift for use on
paved surfaces. I came with a large charger as well. I was told that the
batteries will only hold a charge for about 15 minutes. So I have a few
questions:

1) What are my options for battery replacement? I was told that a
replacement lead acid battery pack is "about $3000". I am wondering if
there might be a better and cheaper option than to simply replace the
battery pack with the same. Specifically I am wondering about using
batteries similar to what I would use with an EV. I realize that I will
likely have to add weight to offset the lighter and denser replacement
batteries.
  


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Re: [EVDL] Best deal on Lead Acid for conversion?

[Al Lumas via EV]

The six Deka 8G31 Group 31 GEL cell batteries in 
my 2005 GEM e825 Utility NEV lasted eight years.
And then, the best deal on six new ones was from 
a solar system component distributor here in the south SF Bay area.


Al Lumas


At 05:09 AM 7/24/2016, len moskowitz via EV wrote:
I have  an old '90 VW Jetta EV conversion. Last 
time I changed the lead-acid batteries I put in 
ten 29-series marine batteries (that's around 12 
kWh) that I bought from the local Costco for 
around $900. They lasted less than three years 
and gave me 25 - 35 miles per charge - not 
really enough for my needs - until two batteries 
failed. I want to eventually install Lithium 
Ion, but only when their price comes down. I 
don't want to spend $5000 on batteries plus a 
BMS for only 50 - 70 miles of range (25 kWh). 
Anyone have battery recommendations for now? Do 
I just have to wait for Li-ion to come down in price? Len M.


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Re: [EVDL] Where 20 amp receptacles are required

[Al Lumas via EV]

At 08:35 AM 1/21/2016, EVDL Administrator via EV wrote:

On 21 Jan 2016 at 9:36, Robert Bruninga via EV wrote:

>  I wonder if there is a PLUG-IN heavier duty plug/socket combo.  You
> plug it in once and then do your plugging and unplugging from it.

That's an interesting idea.  It would probably be more expensive that just
changing the receptacle when it starts to wear, but more convenient in some
cases.

David Roden - Akron, Ohio, USA
EVDL Administrator


A 3 prong to 2 prong grounding adaptor might be a cheap, easy to 
replace, available everywhere solution.

A 2 pack for $3.59 at Amazon.com


Al Lumas

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Re: [EVDL] Venom scooter for 1100 dollars.

[Al Lumas via EV]

Maximum speed is 65KMPH (40MPH) is no where near "up to" 50MPH.
Perhaps they mean when coasting down Powell Street?
I wonder what else it is so exaggerated.

Al Lumas


At 03:12 PM 11/11/2015, Lawrence Rhodes via EV wrote:
I saw this and thought it might not be bad but it's possibly geared 
too high.  Anybody have experience with this model.  Seems to be a 
hub motor. Brand New 2000 Watt Venom Electric Moped Scooter



http://www.saferwholesale.com/Brand-New-2000-Watt-Venom-Electric-Moped-Scooter-p/bdt-tdsbd576z.htmProbably 
the same stuff coming out of China but for the dollars I might be 
very good.  Lawrence Rhodes
  


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Re: [EVDL] EVLN: Oyeyiola's PV-charged EV holds the key to Nigeria’s future

[Al Lumas via EV]

It should have either 2 or 3 Optima 12V yellow tops.
That it will do 35mph means it is a 3.5hp 2nd model powered by 48VDC
The first model contained a 2.5hp motor powered by 36VDC.

Al Lumas
Milpitas, CA


At 03:53 PM 7/19/2015, EVDL Administrator via EV wrote:

PS - here's a REAL wind powered EV.
https://www.youtube.com/watch?v=kR-e3WQclU8

It appears to be powered by two Optima yellow tops!

David Roden - Akron, Ohio, USA
EVDL Administrator
  


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Re: [EVDL] How is a Tesla S like a Model T?

[Al Lumas via EV]

Ive seen Black, White, Red, Burgundy, and Gray.
Saw a white and a gray today. One on Hwy 880, the 
other on Hwy 237 in Milpitas.

Al Lumas

At 06:17 PM 6/2/2015, Mike Beem via EV wrote:
I have to qualify this question by saying that I 
haven't seen that many; however, they have all 
been Black Black Black. Which made me think 
today of Henry Ford's response about choices for 
the Model T.  In Henry Ford´s 1923 
autobiography Henry Ford - My life and work he 
quotes himself as saying "Any customer can have 
a car painted any colour he wants so long as it 
is black.". What other colors have other EV watchers seen? Michael B


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Re: [EVDL] Design News: Why Aren't Electrical Cars Sales Better? It's the battery.

[Al Lumas via EV]

The savings in fuel cost will diminish if / when States adopt a tax 
on each mile you drive your electric vehicle.
To offset the drop in gas tax revenue due to EV's one State (Oregon) 
has already adopted such a tax (1.5 cents per mile) and other's are 
considering it.

Al

At 08:30 AM 5/27/2015, Michael Ross via EV wrote:
You didn't account for the roughly 75% reduction in fuel cost to own 
an EV.   If you compare to a small good quality ICE getting 30mpg, 
over its life the EV may save you  $15k, $20k more if you drive a 
lot and the  the cost of fuel rises.


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Re: [EVDL] Wheels for efficient vehicle.

[Al Lumas via EV]

720 / 24 =  30 lbs per square inch.

At 12:54 PM 5/18/2015, Roland via EV wrote:

One more thing that I did not mention.
Is the square area of the solid rubber sections of the tire face 
against the driving surface.  You calculated the square area of the 
actual contact surfaces of the tire and divided that into the 
vehicle weight that is on that tire.
The best way we did this when we were road rally racing, is to ink 
the tire and than lower it on a white plastic cover board.  You will 
find that a wide tire will have a narrow foot print about 2 inches 
long for the width of the tire.  If there is no thread on the tire 
and the tire is 12 inches wide, then you have about 24 square inches 
of contact rubber.


 Lets say the weight on that tire is 720 lbs, therefore 720/24 = 3 
lbs per square inch which is not good for traction.
  


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Re: [EVDL] Inexpensive retiree-friendly EV?

[Al Lumas via EV]

Chevy just lowered the price of their "Spark" EV.
Al

At 01:50 PM 5/6/2015, Ben Goren via EV wrote:
So, my parents are okay. But, apparently, their '89 Lincoln Town car 
might not be...somebody pulled out of a driveway in front of them 
faster than could be avoided...resulting in smoke coming from the 
engine compartment and suspected possible frame damage.
So...if the insurance company winds up totaling the car, as we 
suspect they might...can anybody suggest an inexpensive EV suited to 
a retired couple?
It would need to be freeway-capable with a reliable won't 
strand-them 50-ish mile range in a Phoenix summer with modest air 
conditioning usage.
The biggest potential problem would be budget...they're on a fixed 
income. They have some, but not much, money they can supplement an 
insurance settlement with, and I can probably pitch in a few 
pennies. I'm hoping the used market is mature enough that there 
might be something worthwhile there.



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Re: [EVDL] Please edit TO lists - use only the list

[Al Lumas via EV]

At 03:51 PM 3/14/2015, Willie2 via EV wrote:

On 03/14/2015 05:40 PM, Al Lumas via EV wrote:


If / when you hit Reply To All the list Reply To address 
 shows up twice in the To: line along with the 
member to whose message you are replying.
With this Thunderbird, "Reply List" puts only the list in the reply 
header.  I rarely use "Reply List", I generally just "Reply".


But when you use "Reply" doesn't the quoted message (to which you are 
replying) say "At blah blah time / date YOU wrote" instead of "Willie2" wrote?
Doesn't it make sense, and good netiquette, to name the person whose 
message you are replying to?


Al

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Re: [EVDL] Please edit TO lists - use only the list

[Al Lumas via EV]

At 03:29 PM 3/14/2015, Willie2 via EV wrote:

On 03/14/2015 04:18 PM, EVDL Administrator via EV wrote:

Good gentlefolk,

Please do as the subject requests.  As an antispam measure, the server holds
I believe that arises from a list software problem.  This and other 
list messages, if replied to, end up with both the poster's address 
and the list address in my reply header.  I generally remember to 
manually remove the poster's address.


I first noticed this oddity quite some time ago, maybe a year.


If / when you hit Reply To All the list Reply To address 
 shows up twice in the To: line along with the 
member to whose message you are replying.


Al

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Re: [EVDL] Chinese inverters legality?

[Al Lumas via EV]

UL (Underwriter Laboratories) is an independent agency that was 
founded by insurance underwriters who were losing money due to fires 
caused by home electrical appliances
It promoted itself using scare tactic ads on TV that displayed TV 
sets catching fire and burning down homes.

Al Lumas

At 10:34 AM 10/1/2014, David Kerzel via EV wrote:
Electrical things do not have to be listed by someone like UL.  Some 
state and local governments may require UL (or something similar) as 
part of the fire and electrical code.  The reason manufactures use 
approval services like UL is liability.  Stores will often not sell 
things that are not listed because of liability concerns.  Getting 
something listed shows the product was properly designed and has 
been tested by a qualified group of independent engineers to verify 
it meets the appropriate safety levels.
When You connect to the grid then the power company has say in 
anything that can energies the power lines and they may require only 
listed devices.


David Kerzel
Modulsar EV Power LLC

-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Robert 
Bruninga via EV

Sent: Wednesday, October 1, 2014 7:52 AM
To: Electric Vehicle Discussion List
Subject: [EVDL] Chinese inverters legality?

You EV experimenters must have some facts here...

Is it illegal to purchase, own or operate a non UL approved appliance?
(Which?) (How do I prove it is OK)...


  
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Re: [EVDL] EVDL biz: From field is always "Electric Vehicle Discussion List"

[Al Lumas via EV]

My Eudora email client also reports "Cal Frye via EV".

Al

Al Lumas, Owner
A&J Ranch
3371 Calaveras Rd., Milpitas, CA 95035
PH: 408-262-9078
Email: 
Website: 


At 12:33 AM 6/14/2014, Cor van de Water via EV wrote:

My Outlook also reports this message as:
"Cal Frye via EV" so apparently it works in some places...

Cor van de Water
Chief Scientist
Proxim Wireless Corporation http://www.proxim.com
Email: cwa...@proxim.com Private: http://www.cvandewater.info
Skype: cor_van_de_water Tel: +1 408 383 7626


-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Cal Frye via EV

Whether I use Thunderbird on Windows or Postbox (a "fork" of
Thunderbird) on my Mac, my client displays messages as having come from
"Chuck Hursch via EV" for example. In the message source, it's the To:
field, not the From: field, that is "Electric Vehicle Discussion List."
Are you sure you've got T'bird set to display the right fields?

For reference, my version of Thunderbird is 24.3.0 on Windows 7, and
Postbox 3.0.11 on Mac OS 10.8.5...
Best regards,
-- Cal Frye, www.calfrye.com

> Chuck Hursch via EV 
> June 12, 2014 4:54 PM
> Some time ago the From field on the EVDL feed in my Mozilla
> Thunderbird email client changed to "Electric Vehicle Discussion
> List".  I'm finally caught up more or less with the feed, but I don't
> believe I've seen a solution.  So I can't tell who posted without
> opening the email.  After scanning the header source, the only thing I
> can really see is that the From line now has "via EV
> " after the poster's name, so like:  Peter
> Gabrielsson via EV .  These headers are sure a lot
> more complicated than when I was playing around with them back in the
> '80s...  Somebody on the List mentioned something about DKIM, but I
> don't understand that field.  I don't really see any way to deal with
> this in my email client. :-( Any ideas?
>
> Chuck


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