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Lachassagne tandem wing monoplane

Lachassagne-1912
 
The first design of Adolphe-√Čtienne Lachassagne was this 1912-1913 tandem wing monoplane. The front and the tail wings could be adjusted. The two propellers were fitted at the trailing edge of the front wing, and were adjustable together with the wing. The engine was mounted in the fuselage and drove the two propellers via a rod. As Lachassagne had no funds to acquire a new and powerful engine he had to do with second hand engines. Lachassagne started to study a new aeroplane with tandem wings. The AL-2 airplane was never built in full size, only as a model. He was creative inventor and kept developing and building variable wing profile aircraft at least up to WW2. He also tried to develop a small affordable "peoples airplane".
 
 
 
 


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