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Power generating

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Jay Kempf

Curmudgeon in Training (CIT)
Supporting Member
Joined
Apr 13, 2009
Messages
4,862
Location
Warren, VT USA
Regenerating power with an electric engine with a freewheeling prop has been suggested.

The mission profile for this is climb, cruise, then on the descent you would freewheel the prop at some constant speed and at the cost of some drag you would be able to generate power to put some energy back in the batteries.

I've been in a bunch of conversations with people of all levels in the industry and no one seems to ever get to the end of the conversation with any conclusion.

So the question is is there any meaningful ability to generate power during normal flight ops with an all electric airplane. And if so how would one configure the system to best take advantage of it?

... one data point... I had a Prius to use for a while and sort of tested this out. Seemed to be a trivial subsystem with little actual contribution to overall efficiency.
 
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