Do I understand correctly that the original Wright Flyer as well as
the replicas, CANNOT fly unless there's sufficient wind?
Sure they can fly. An airplane in the air does not know whether the
wind is blowing or not.
*Taking off* however is a different matter.
The steady wind at Kill Devil Hill was also essential for the kite
trials that preceded powered flight in the Wright Flyer. Unlike an
airplane, a kite is tethered to the ground and the airstream is
provided not by a propeller but by the differential between the speed
of the air and that of the ground.
all the best -- Dan Ford
email:
www.danford.net/letters.htm#9
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