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| Ev Archive for April 2001 |
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| 1913 messages, last added Wed Aug 08 18:51:44 2001 |
[Date Index][Thread Index]
Re: Range extender idea
On 28 Apr 2001, at 19:58, PETER VANDERWAL wrote:
> 13 hp might be enough to hold cruising speed at 50 mph or so. If you
> have an e-meter check out how many battery amps you are sucking down
> at a given speed, multiply by pack voltage (actual voltage not nominal
> voltage) and that will give you watts. Divide by 1,000 to get
> kilowatts, in this case kilowatts roughly equals HP (it takes
> motor/controller losses into account).
In a Civic? My Kitten uses about 15kW for 50mph, which is a
much smaller car than a Civic. I thought that was reasonable, but
maybe the brakes are on, or something :)
Can we get some more real-world examples (with small cars) - I'd
be interested and it would help Thomas with his hybrid!
Evan.
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