TIP: Click on subject to list as thread! ANSI
echo: oldcars
to: ELVIS HARGROVE
from: PAUL WILLIAMS
date: 1997-10-25 04:50:00
subject: Battery DESIGN

Hi Elvis Hargrove, hope you are having a nice day
DB>>new cars in two years... the automakers will love them because
DB>>they will reduce the structural problems supporting a 30-40 lb
DB>>regular battery.
EH> And I'll love it too since I won't have to haul the heavy critters
EH> around.
EH> Now, if this technology is REAL, and not the result of some engineer's
EH>mental masturbation, we're ALL gonna love it!  I've been preaching for
EH>years that all that's lacking for robotics (Electric man) to take off is
EH>a good, small*cheap*reliable*powerful*light, power source.
EH> An electric bicycle with a three pound 24 volt battery or a small car
EH> with a two hundred pound 240 volt battery is getting into the realm of
EH> "reasonable."
 Lucky for you I'm everywhere. ;) (yep, jus' like Santy Clause)
 Somewhere in one of about 30 boxes I have the magazine I read the
following from. It's from an issue of Portable Design about two or
three months ago. I'd sent this to someone else a while back and since
I keep personal correspondence.....

 Not a problem, just glad I could help. If I can help find something else
let me know. And I've another thing you might check into as well. It seems
that a new company is getting ready to begin making a improved form of a 
lead-acid battery.  They have a 2volt battery about half the size of a C cell
that has a tremendous amp-hour rating.  In fact, they made a 12-volt battery 
that weighed about 1 pound, put it in a truck with a large engine and were 
able to start the engine over 20 times.
 I'm going to try to get more info from the company, but the address I have
right now is..
 Bolder Technologies
 Wheat Ridge, CO
 (303) 422-8200
 (303) 422 8180 FAX
 They plan to be in full production by mid year, and the pricing will be
competitive with NiCd, lead-acid, and other types.
 The specs I have at the moment for the Bolder 500-cycle 2.1V sub-C cell
are rated at 1.2A-hr with an energy density spec of 84W-hr/L.  Shelf life is
18 months, and internal impedance is less than 1.7milliohms.
Gravimetric density is 30W/kg.

 This of any help?
 -=> Yours sincerely, Paul Williams <=-
... "Here's the final product. Hope it isn't too big."-- Nate
--- Terminate 4.00/Pro
---------------
* Origin: Armed...Dangerous...and off my medication. (1:387/510.5)

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