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<anybody43@hotmail.com> wrote
> Yes, however:-
>
> Hydrostatic drives shuch as this are fairly common in
> heavy construction equipment and the like however
> there is a problem.
>
> There is too much loss even for ordinary car use and the
> fuel consumption is unacceptably poor.
>
> I'd guess that this would be an even more serious
> issue in aircraft.
Indeed, there would be, and one large problem is called weight. It wo8uld
be extremely heavy.
Also, those loss issues bring up another problem. When you have loss, what
happens to that energy? Energy can not be created or destroyed, and that
energy put into loss shows up as heat. Boatloads of heat that must be
dissipated, and that will take a lot of radiator, and air to go through it.
That will cause wind resistance, which will slow the plane, so much as to
make a biplane seem speedy.
--
Jim in NC
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Re: Pump driven prop????
