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There are only really 2 reasons to choose a specific unit over another unit of the same dimensions. 1) It expresses the numbers in a reasonable amount. In the metric system this is often taken into account by a prefix. So for cars km is a good unit because people are generally talking about...

I'm unsure of your reason for wanting to use the correct unit, which may affect the answer. Power density (kW/kg) doesn't make much sense as a description. Density implies a constant that can be scaled. This would apply to Energy density, as in a battery. You can describe a battery technology...

UK order on the 9th November, So we're pretty close. My service no. (see speakev forums) is 3986 I think. Also late feb/march delivery. Mine was built over christmas / new year, so hoping 2 months on makes it the end of Feb! - - - Updated - - - Specifically...

Why do people think that Tesla won't sell access to the Supercharger network? Tesla sell luxury cars, but surely that network costs them way to much to build and maintain to make money from just Tesla owners. Free access is a perk Model S owners can enjoy, but it's such a valuable asset to...

I stand corrected, I didn't realise that.

Yes to the first paragraph, no to the second. The motor is coupled with power electronics that limit the amount of (electrical) power that can be drawn by the motor. A motor has a power limit beyond which it will become damaged. This is in some way related to the rpm of the motor, thus...