PPRuNe Forums - View Single Post - Cruise altitude for electric airplanes.
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Old 6th Feb 2020, 17:34
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Ian W
 
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Originally Posted by Winemaker
Well I think I've solved it. Simply stick some RATs on the back of the wings to generate electricity while the plane is flying! With 95% efficiency one would have enormous range and greatly reduce the battery size!
Don't forget the solar cells on the top of every aircraft surface.

Battery technology does not have the energy density required for aircraft to climb to, let alone operate at, common fixed wing freighter levels and carry any useful payload.
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