[AR] Re: NASA test of quantum vacuum plasma thruster (was "Anyone heard of this?")
- From: Valtteri Maja <valtteri.maja@xxxxxxxxx>
- To: arocket@xxxxxxxxxxxxx
- Date: Thu, 7 Aug 2014 00:19:38 +0300
You could attach the thruster on a wheel. If it produces constant thrust at
any speed, there is a speed above which the wheel will generate more power
than the thruster uses.
7.8.2014 0.15 kirjoitti "Peter Fairbrother" <zenadsl6186@xxxxxxxxx>:
> On 06/08/14 20:59, qbert@xxxxxxxxxxxxxxx wrote:
>
>> Where and why do you guys keep on coming up with perpetual motion? It
>> is stated quite clearly that it requires electric power to operate.
>>
>
> That's just basic physics. Energy, force, acceleration, and so on - as in
> Newton's laws of motion.
>
> Energy = force times the distance through which the force acts.
>
>
> If the velocity of the drive is low, the distance through which the force
> acts in one second is low. If the velocity is higher, then the distance
> through which the force acts will be higher.
>
>
> If a drive produces thrust at some fixed rate per unit of power,
> independent of velocity, then at some velocity the extra energy provided by
> the drive will be more than the energy supplied to the drive.
>
> Ie, it will act as a perpetual motion machine.
>
>
> -- Peter Fairbrother
>
>
>
>
>
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