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Today's Topics:
1. Re: Dewalt batteries (Lee Hart)
2. Re: Fw: NY Times on storage batteries for wind-generated
electricity (JS)
3. Re: Auto theft devices and EV's (Roger Stockton)
4. Re: Dewalt batteries (Ted Sanders)
----------------------------------------------------------------------
Message: 1
Date: Wed, 12 Sep 2007 11:39:42 -0500
From: Lee Hart <[EMAIL PROTECTED]>
Subject: Re: [EVDL] Dewalt batteries
To: Electric Vehicle Discussion List <ev@lists.sjsu.edu>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Ian Hooper wrote:
> I haven't given up hope on building packs from commodity 18650/26650
> LiFePO4s though, since some brands aren't too far off TS pricing and
> there are advantages to using them (e.g higher power).
Has anyone done any real testing with these commodity 18650 or 26650
cells? The specs are great -- if you can buy new, high-quality cells.
But these only get sold to big OEMs.
Most of what's being sold to "mere mortals" off the internet are
junk-grade; rejects, old stock, cells from sleazy companies, etc. I've
tried a few to rebuild laptop battery packs, and mostly gotten poor
quality parts. They're OK if you only need a small number, for a non
critical application, and don't mind hand sorting and testing them.
But if you're going to make a large pack with small cells, it is *vital*
to get high quality, highly consistent, brand new cells!
--
Ring the bells that still can ring
Forget the perfect offering
There is a crack in everything
That's how the light gets in -- Leonard Cohen
--
Lee A. Hart, 814 8th Ave N, Sartell MN 56377, leeahart_at_earthlink.net
------------------------------
Message: 2
Date: Wed, 12 Sep 2007 10:15:04 -0700
From: JS <[EMAIL PROTECTED]>
Subject: Re: [EVDL] Fw: NY Times on storage batteries for
wind-generated electricity
To: [EMAIL PROTECTED], [EMAIL PROTECTED],
Electric Vehicle Discussion List <ev@lists.sjsu.edu>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset=windows-1252; format=flowed
I am encouraged by any application of batteries. My solar system
and electric vehicle share a common need for better batteries.
Currently when my EV batteries begin to lose capacity they can
be put in service in my less demanding solar system.
Solar users should make their needs known to the auto industry
in their search for better batteries.
If Chevron would release the NiMH patents it would benefit both
automotive, electric, wind, and solar electric industries and users.
John in Sylmar, CA
It's time for PV EV action!
------------------------------
Message: 3
Date: Wed, 12 Sep 2007 10:40:41 -0700
From: "Roger Stockton" <[EMAIL PROTECTED]>
Subject: Re: [EVDL] Auto theft devices and EV's
To: "Electric Vehicle Discussion List" <ev@lists.sjsu.edu>
Message-ID:
<[EMAIL PROTECTED]>
Content-Type: text/plain; charset="us-ascii"
Morgan LaMoore wrote:
> I'd say it's probably possible to install one of the official
> immobilizers: if it cuts power to the starter and fuel system, just
> have it instead cut the power to the contactor and any 12V systems in
> the car.
>
> Another possible problem is getting it installed. I'm guessing they
> don't want you to install it yourself, and finding a mechanic to work
> on an EV will be tough. Maybe you should contact the insurance company
> and ask them about it?
I'm not seeing the issue here. If the fellow (Tyler, was it?) is going
to convert a high-theft-risk donor, then if he buys the donor locally it
will already have the required immobiliser installed (otherwise it could
not be insured and driven as an ICE). If it doesn't yet have the
immobiliser installed (donor bought out of province, etc.), then get one
installed before stripping the vehicle of its ICE components.
The device cuts power to the starter, ignition, and fuel pump, and since
the EV has neither a starter or fuel pump, these are of no concern; most
Evs use the ignition power signal to power the main contactor(s) and/or
the controller logic enable (KSI, etc.) input, so the already installed
immobiliser will still function to immobilise the EV simply by
interrupting power to the ignition circuit.
If the EV layout is such that the main contactor(s) are in the engine
bay, then it is convenient to use the factory ignition wire to power
them; if one or more happen to be in the reear of the vehicle, then it
might be neater to power them from the supply that originally fed the
electric fuel pump. Both signals are interrupted by the immobiliser
device, so it continues to function to immobilise the vehicle.
Cheers,
Roger.
------------------------------
Message: 4
Date: Wed, 12 Sep 2007 12:45:51 -0500
From: Ted Sanders <[EMAIL PROTECTED]>
Subject: Re: [EVDL] Dewalt batteries
To: Electric Vehicle Discussion List <ev@lists.sjsu.edu>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset="Windows-1252"
Has anyone had any experience with the lionEV lithium phosphate or litium
polymer batteries?
Beano -- 1981 Ford Escort EV
EValbum 1010Ted Sanders
> Date: Wed, 12 Sep 2007 11:39:42 -0500> From: [EMAIL PROTECTED]> To:
> ev@lists.sjsu.edu> Subject: Re: [EVDL] Dewalt batteries> > Ian Hooper wrote:>
> > I haven't given up hope on building packs from commodity 18650/26650 > >
> LiFePO4s though, since some brands aren't too far off TS pricing and > >
> there are advantages to using them (e.g higher power).> > Has anyone done any
> real testing with these commodity 18650 or 26650 > cells? The specs are great
> -- if you can buy new, high-quality cells. > But these only get sold to big
> OEMs.> > Most of what's being sold to "mere mortals" off the internet are >
> junk-grade; rejects, old stock, cells from sleazy companies, etc. I've >
> tried a few to rebuild laptop battery packs, and mostly gotten poor > quality
> parts. They're OK if you only need a small number, for a non > critical
> application, and don't mind hand sorting and testing them.> > But if you're
> going to make a large pack with small cells, it is *vital* > to get high
> quality,!
highly consistent, brand new cells!> -- > Ring the bells that still can ring>
Forget the perfect offering> There is a crack in everything> That's how the
light gets in -- Leonard Cohen> --> Lee A. Hart, 814 8th Ave N, Sartell MN
56377, leeahart_at_earthlink.net> >
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End of EV Digest, Vol 2, Issue 34
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