[AR] Re: NASA test of quantum vacuum plasma thruster (was "Anyone heard of this?")
- From: "Troy Prideaux" <GEORDI@xxxxxxxxxxxxxxxx>
- To: <arocket@xxxxxxxxxxxxx>
- Date: Fri, 8 Aug 2014 08:23:29 +1000
Yup, I have to agree Jake. Apologies for being slow on the uptake, that example
highlights it unambiguously.
Troy
>> The problem with this is that it will work for anything. A series coupled
>DC motor will run to infinity RPMs, and therefore you can attach a
>generator to it and obtain overunity.
>No that is not the case, as the RPM of the motor increases so will the
>voltage you need to supply and so will the power to maintain a torque
>output.
>(note the maintain a torque output part there, an ideal series wound
>motor with no load will reach infinity RPM)
>> There! You overunity seekers. Go back to lurking. We are not on perpetual
>motion yet. Unless I have overlooked something.
>The difference with the proposed thruster is the fixed power input
>results in a fixed force output regardless of the speed of the system,
>that is the bit where it breaks everything.
>And they have measurements that are perhaps less trustworthy than they
>initially seemed which supported their assertion.
>In all other cases the power demand to produce the torque is
>proportional to the speed of the system.
>
>It is an "unbalanced force", in every case F = MA if something pushes in
>one way it is balanced by something pushing in the other.
>If the thruster worked, sure it took power in, but it produces a force
>without pushing on something else and from there there are any number of
>ways of turning that into perpetual motion.
>
>I do still wonder where a photonic system fails and I'd really like to
>hear an explanation for why it would, though I fear the answer involves
>actual numbers not just abstract thought to work. ;->
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