1920 Dayton-Wright RB-1

Dayton-Wright RB-1 was built in 1920, a racing aircraft developed in the United States to participate in the 1920 Gordon Bennett Cup air race. The aircraft was a high-wing monoplane with retractable landing gear undercarriage operated by a hand-crank making it one of the first instances of undercarriage retraction for aerodynamic benefit alone, clearly ahead of his time. With a monocoque fuselage