What common materials were used to construct the frame and wing surface of Lilienthal's early, historically significant gliders?
Answer
Willow wood and cotton fabric
The construction of surviving examples or close reproductions of his gliders illustrates the use of light materials appropriate for the time, specifically willow wood for the frame structure and cotton fabric for the wings, often utilizing a curved airfoil design.
#Videos
World's First Aircraft - Lilienthal's Glider Flight - YouTube
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