This question has cropped up from a motoring/engineering forum regarding an experimental vehicle travelling faster directly downwind than the wind speed.
With a fixed pitch prop,whilst gliding,would there be more drag "freewheeling" or prop stopped.
I know that the prop is directlyattached to the crankshaft on most aircraft and most will not freewheel,but if it was disconnected from the drive,and could freewheel?
