On Mar 14, 2:54*am, Markus Gayda wrote:
How about using the propeller as a generator on the way down?
Recharge the battery. (of course you cant do that with a static prop)

THAT would be a real hybrid :-)

CU
Markus

Of course why not use all of the available energy? The turnstiles in
the New York subways are connected to generators that run the cars.