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On Wed, 06 Feb 2008 14:56:50 +0100, scott <sco### [at] laptop com> wrote:
> Actually you would need a gearbox for it to be useful. Electric motors
> generate maximum torque at very slow speeds, the faster the motor goes
> the lower the torque. This is exactly the wrong thing you need for a
> car, where the faster you go the more torque you need to overcome the
> speed squared air drag. If you didn't use a gearbox you'd end up with a
> car capable of burning out the tyres at low speed, but that took 10
> minutes to accelerate from 60 to 70 mph.
http://www.teslamotors.com/performance/acceleration_and_torque.php
Gets by with only two gears, and can supposedly be kept in second gear at
all times while still performing adequately.
--
FE
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