Flashlights only have a current draw of half an amp. The 18650 cells are
typically used at FIVE amps. And I often have to shake my flashlights to
clean the contacts before they attain normal brightness. (That indicates
they a corroding.) About two years ago I recall seeing a spot-welding
system and
On 19 Aug 2014 at 21:18, Jay Summet via EV wrote:
> The contact/connection may not be as good as bolt on terminals, but
> for 18650 cells you could probably get away with it without excessive
> force. Flashlights do it all the time...
Does anyone here have experience with the screw-terminal 38140
truction without making any audible or visible signs of distress.
>>> -- Electrical Review, 1902
>>> --
>>> Lee Hart's EV projects are at http://www.sunrise-ev.com/LeesEVs.htm
>>>
>>> __
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 08/19/2014 09:12 PM, Peri Hartman via EV wrote:
> So, if you want individual fusible cells, then a bus bar on both
> terminals won't work. One side can be spot welded but the other
> side needs the fuse wire - or something. Not sure how that c
SUBSCRIBE: http://www.evdl.org/help/index.html#usub
http://lists.evdl.org/listinfo.cgi/ev-evdl.org
For EV drag racing discussion, please use NEDRA
(http://groups.yahoo.com/
group/NEDRA)
-- next part --
An HTML attachment was scrubbed...
URL:
<http://lists.ev
/
> group/NEDRA)
>
>
-- next part --
An HTML attachment was scrubbed...
URL:
<http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140819/de521326/attachment.htm>
___
UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub
http://lists.evdl.org/listinfo.cgi/ev-evdl.org
For EV drag racing discussion, please use NEDRA
(http://groups.yahoo.com/group/NEDRA)
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 08/19/2014 07:54 PM, Ben Apollonio via EV wrote:
> True enough, but if a 200Ah cell fails shorted, it still has 200Ah
> to dump all by itself, which is likely to be equally catastrophic.
> I think the probability of occurrence is higher with 200 1
True enough, but if a 200Ah cell fails shorted, it still has 200Ah to dump all
by itself, which is likely to be equally catastrophic. I think the probability
of occurrence is higher with 200 1Ah cells than with 1 200Ah cell, but the end
result is the same.
On the other hand, if you DO take pre
l.com
<mailto:michael.e.r...@gmail.com>
-- next part --
An HTML attachment was scrubbed...
URL:
<http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140819/2ddd76aa/attachment.htm>
___
UNSUBSCRIBE: http://www.
Michael Ross via EV wrote:
Is it easy to create exactly 10 amps? (not rhetorical)
Don't many chargers vary a good bit depending on the load the work into?
In which case, you need to have a second instrument for the current
measurement, and it needs to be sufficiently accurate and steady.
I meas
Peri Hartman via EV wrote:
To take this to a traction pack, I would want to try a similar design
where strings of cells are spot welded in parallel for the desired
current load. As I understand it, you can put as many in parallel as you
want and control them with a single BMS unit.
Well... Ther
513-0418 Desk
michael.e.r...@gmail.com
-- next part ------
An HTML attachment was scrubbed...
URL: <
http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140819/c21edb58/attachment.htm
___
UNSUBSCRIBE: http://www.evdl.org
ile of junk.
> Thomas A. Edison
> <http://www.brainyquote.com/quotes/quotes/t/thomasaed125362.html>
>
> A public-opinion poll is no substitute for thought.
> *Warren Buffet*
>
> Michael E. Ross
> (919) 550-2430 Land
> (919) 576-0824 <https://www.google.com/voice/b/0?p
yourself: should I use everyone else to attain
happiness, or should I help others gain happiness?
*Dalai Lama *
Tell me what it is you plan to do
With your one wild and precious life?
Mary Oliver, "The summer day."
To invent, you need a good imagination and a pile of junk.
Thomas
On 08/19/2014 04:13 PM, EVDL Administrator via EV wrote:
On 19 Aug 2014 at 15:48, Willie2 via EV wrote:
Please inform me if my Google+ page is not visible to all:
https://plus.google.com/102434734002949174273/posts
Perhaps one has to be logged on to Google? I didn't think so.
I had no tro
for thought.
*Warren Buffet*
Michael E. Ross
(919) 550-2430 Land
(919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Google Phone
(919) 631-1451 Cell
(919) 513-0418 Desk
michael.e.r...@gmail.com
-- next part --
An HTML attachment was scrubbed...
URL:
<htt
On 08/19/2014 04:00 PM, Michael Ross via EV wrote:
The website is now working. I forgot to save the changes.
I am not branching out to more services. Better for me to learn how to use
Google and whatever new stuff they have added. I used Google Picasaweb for
years without any trouble. The im
On 19 Aug 2014 at 15:48, Willie2 via EV wrote:
> Please inform me if my Google+ page is not visible to all:
> https://plus.google.com/102434734002949174273/posts
>
> Perhaps one has to be logged on to Google? I didn't think so.
>
I had no trouble seeing your page, and I'm not logged in to Goo
you need a good imagination and a pile of junk.
Thomas A. Edison
<http://www.brainyquote.com/quotes/quotes/t/thomasaed125362.html>
A public-opinion poll is no substitute for thought.
*Warren Buffet*
Michael E. Ross
(919) 550-2430 Land
(919) 576-0824 <https://www.google.com/voice/b/0
On 19 Aug 2014 at 16:10, Michael Ross via EV wrote:
> This should be viewable by anyone
> https://sites.google.com/site/michaeleross/misc
This one works fine for me. (I do have javascript enabled for Google; it
might be required for this page.)
Thanks for setting it up! The two snipurl links
On 08/19/2014 01:58 PM, EVDL Administrator via EV wrote:
On 19 Aug 2014 at 12:20, Michael Ross via EV wrote:
Has anyone tried assembling a pack like:
https://plus.google.com/photos?pid=5943603287809906194&oid=100767276460953028406
Don't know. Can't see it. :-(
Folks, if you want the EVDL me
(919) 513-0418 Desk
michael.e.r...@gmail.com
-- next part --
An HTML attachment was scrubbed...
URL:
<http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140819/8db61e82/attachment.htm>
___
UNSUBSCRIBE: http://www.evdl
On 19 Aug 2014 at 15:57, Michael Ross via EV wrote:
> I don't have another file service.
The following are not official EVDL recommendations, but rather my personal
suggestion. They used to be official EVDL recommendations, but a few people
found things to gripe about with them. Now my offic
is no substitute for thought.
*Warren Buffet*
Michael E. Ross
(919) 550-2430 Land
(919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Google
Phone
(919) 631-1451 Cell
(919) 513-0418 Desk
michael.e.r...@gmail.com
---
l.e.r...@gmail.com
>
>
>
>
--
Put this question to yourself: should I use everyone else to attain
happiness, or should I help others gain happiness?
*Dalai Lama *
Tell me what it is you plan to do
With your one wild and precious life?
Mary Oliver, "The summer day."
To invent, you n
s/quotes/t/thomasaed125362.html>
A public-opinion poll is no substitute for thought.
*Warren Buffet*
Michael E. Ross
(919) 550-2430 Land
(919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Google Phone
(919) 631-1451 Cell
(919) 513-0418 Desk
michael.e.r...@gmail.com
---
The pic shows a staggered set of 6p8s cells with Nickel? weldeedd strips
on the column of parallel cells.
It appears that there are 2 of these sets total in the pack (a white
separator can be seen between the two layers) so apparently it is total
16 series, which would make it a pack of 51V or 60V
David, others,
I don't know what happened - I just used "Reply"
but noticed that the message looked weird letter type,
even in my Outlook client.
I hope this message is just plain text, so all can see it now.
Cor van de Water
Chief Scientist
Proxim Wireless Corporation http://www.proxim.com
Email:
fet*
Michael E. Ross
(919) 550-2430 Land
(919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Google Phone
(919) 631-1451 Cell
(919) 513-0418 Desk
michael.e.r...@gmail.com
-- next part --
An HTML attachment was scrubbe
On 19 Aug 2014 at 12:20, Michael Ross via EV wrote:
> Has anyone tried assembling a pack like:
> https://plus.google.com/photos?pid=5943603287809906194&oid=100767276460953028406
Don't know. Can't see it. :-(
Folks, if you want the EVDL membership to see your pictures, please don't
post them w
On 19 Aug 2014 at 14:09, Michael Ross via EV wrote:
> However, you need to make 300A steadily while you read the drop. I am not
> sure how you guy would do that at home.
With a dummy load - something that dumps current as heat, and something to
carry the heat away.
There are many ways to ma
d precious life?
Mary Oliver, "The summer day."
To invent, you need a good imagination and a pile of junk.
Thomas A. Edison
<http://www.brainyquote.com/quotes/quotes/t/thomasaed125362.html>
A public-opinion poll is no substitute for thought.
*Warren Buffet*
Michael E. Ross
(919) 550-24
d precious life?
Mary Oliver, "The summer day."
To invent, you need a good imagination and a pile of junk.
Thomas A. Edison
<http://www.brainyquote.com/quotes/quotes/t/thomasaed125362.html>
A public-opinion poll is no substitute for thought.
*Warren Buffet*
Michael E. Ross
(919) 550-2430 Land
(919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Google Phone
(919) 631-1451 Cell
(919) 513-0418 Desk
michael.e.r...@gmail.com
-- next part --
An HTML attachment was scrubbed...
URL:
<http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140819/62ade685/attachment.htm>
___
UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub
http://lists.evdl.org/listinfo.cgi/ev-evdl.org
For EV drag racing discussion, please use NEDRA
(http://groups.yahoo.com/group/NEDRA)
RL:
<http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140819/efb96826/attachment.htm>
___
UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub
http://lists.evdl.org/listinfo.cgi/ev-evdl.org
For EV drag racing discussion, please use NEDRA
(http://
From: Roland via EV
>
> Attach a milliamp meter shunting that one link that was torque...
It seems to me that what you mean is a milliVOLT meter.
A milliammeter has a low internal resistance that can give you errors if you
don't have a good connection between it and the test circuit.
A milliv
uot;The summer day."
>
> To invent, you need a good imagination and a pile of junk.
> Thomas A. Edison
> <http://www.brainyquote.com/quotes/quotes/t/thomasaed125362.html>
>
> A public-opinion poll is no substitute for tho
Cor, It wasn't the losses I was aghast at it was the thought of having a
mini-stove going in my battery box!
I was also wondering if the easiest way of measuring the cell terminal
connection resistance would be to disconnect the pack and just put a large
resistor across it sufficient to draw h
> From: Peri Hartman via EV
>
> Question on how to measure resistance. If you use an ohm meter to
> measure resistance, I presume it is using a 1mA or smaller current.
Which would mean you're looking for microvolts, which would be lost in induced
noise.
As you surmise the only reasonable wa
t;http://groups.yahoo.com/group/NEDRA>)
>
>
>
___
UNSUBSCRIBE:
http://www.evdl.org/help/index.html#usub<http://www.evdl.org/help/index.html#usub>
http://lists.evdl.org/listinfo.cgi/ev-evdl.org<http://lists.
Question on how to measure resistance. If you use an ohm meter to
measure resistance, I presume it is using a 1mA or smaller current. In
electronics applications, that's probably fine. But in a situation
where typical current is in the hundreds of amps, will taking a
measurement that way be
tes/quotes/t/thomasaed125362.html>
A public-opinion poll is no substitute for thought.
*Warren Buffet*
Michael E. Ross
(919) 550-2430 Land
(919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Google Phone
(919) 631-1451 Cell
(919) 513-0418 Desk
michael.e.r...@gmail.com
-
Martin,
Delivering 300A at 120V is 36,000 Watts, so losing 350W in the wiring
and terminal connections means only 1% loss in the grand scheme of
things.
A single traffic light turning red in front of you so you have to stop
and again accelerate up to speed is likely a bigger difference in the
effic
ttempt to
> expand to new markets?
>
> Chris
> -- next part --
> An HTML attachment was scrubbed...
> URL: <
> http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140819/2f1dfb41/attachment.htm
> >
>
Cor van de Water via EV wrote:
Depends on your current. Typically I would say in the order of
magnitude of 0.1 mOhm (milliOhm) because a 300A current will then
give 30mV drop, which produces 300A x 0.03V = 9 Watt of power loss
as heat.
Martin WINLOW via EV wrote:
At EVERY connection? In a 120
Martin WINLOW via EV wrote:
What, as a matter of interest, is an acceptable amount of resistance in a
battery or cell terminal connection? MW
It depends on the current, how long it has to carry it, and how large
and effective the terminals are at radiating the heat produced.
But in general
Maybe the Livewire is just the tip of the spear in a Harley attempt to
expand to new markets?
Bruce EVangel Parmenter via EV wrote:
You may have something there. HD has a history of doing that with
varying degrees of success. You have to give them credit for having the
nards to do that.
After
lid parts or
hand formed panels. There are 20 bikes on this tour, and it appears there
was at least some expensive tooling used to make them. This is a fairly
large scale effort.
Chris
-- next part --
An HTML attachment was scrubbed...
URL:
<http://lists.evdl.org/private.cg
> Maybe the Livewire is just the tip of the spear in a Harley attempt to
> expand to new markets? <
You may have something there. HD has a history of doing that with
varying degrees of success. You have to give them credit for having the
nards to do that.
Back when HD originally made their anno
ent dealerships. But that's a pretty big undertaking.
Maybe the Livewire is just the tip of the spear in a Harley attempt to
expand to new markets?
Chris
-- next part --
An HTML attachment was scrubbed...
URL:
<http://lists.evdl.org/private.cgi/ev-evdl.org/attach
http://www.autoblog.com/2014/08/11/jay-leno-harley-davidson-livewire-electric-motorcycle-video/
Leno rides Harley-Davidson Livewire EV
By Chris Bruce Aug 11th 2014
[video
https://www.youtube.com/watch?v=lyJr8BoklC0
Harley-Davidson Project LiveWire - Jay Leno's Garage
Jay Leno's Garage Aug 10, 2
http://www.greencarreports.com/news/1093810_electric-car-batteries-what-happens-to-them-after-coming-out-of-the-car
Electric-Car Batteries: What Happens To Them After Coming Out Of The Car?
By John Voelcker Aug 12, 2014
[image
http://images.thecarconnection.com/med/tesla_100325170_m.jpg
Tesla
51 matches
Mail list logo
