Actually, it says "also note that vehicle weights around 1100kg"

Kerry


Chris McSweeny wrote:
> It also says the car is only 470kg, so 4600N, hence only 23MJ required
> in potential energy. So providing you can extract all that energy from
> the batteries with 100% efficient motors, and not too many other
> losses it is possible ;) The bigger problem is that the claim is a
> minimum speed of 70km/h - even if it was all done at that speed it
> would take 8.57 minutes or 514 seconds to cover the 10km, hence 44kW
> required power just against gravity, yet only 1.6kW of motors.
>
> Of course if we look at motor power, then consider that for a bicycle,
> 400W will get you close to 50km/h. Given almost all the power there is
> against wind resistance and that power required to overcome wind
> resistance goes with the cube of the speed, then 1600W would only get
> you close to 80km/h for a bicycle frontal area/Cd - now that car would
> appear to have a lot more than a bicycle worth of frontal area.
>
> Chris
>
>  =20



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