National Warplane Museum Geneseo Air Show 2024 Fokker D. VII & Dr. I triplane replicas.

The replica Fokker D. VII & Dr. I triplane based at the National Warplane Museum open the show on Saturday.
Saturday July 13, 2024. National Warplane Museum, Geneseo, NY.

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Why is the left aileron of the Tri Wing longer than its right aileron?

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The Fokker Dr. I triplane originally was powered by a rotary aircraft engine in which the crankshaft is attached to the aircraft & the engine rotates with the propeller, causing significant torque. The difference in the ailerons was intended to counteract this torque. Since this is an accurate replica it reproduces this feature even though it has a 1940s radial engine. The ailerons are rigged to work with this arrangement. I hope this answers your question.