Vought-Sikorsky VS-300 cargo. The VS-300 was modified over a two-year period, including removal of the two vertical tail rotors, until 1941, when a new cyclic control system gave it much improved flight behavior. In 1943, the VS-300 was retired to the Henry Ford Museum in Dearborn, Michigan. It has been on display there ever since, except for a trip back to the Sikorsky Aircraft plant for restoration in 1985. Vought-Sikorsky VS-300 The Vought-Sikorsky VS-300 (or S-46) is a single-engine helicopter designed by Igor Sikorsky. It had a single three-blade rotor originally powered by a 75 horsepower (56 kW) engine. The first "free"
Sikorsky S-11 Sikorsky S-11 The Sikorsky S-11 " Polukroogly " (Half Round) was a Russian single engine prototype reconnaissance aircraft completed in July 1913 by the Russian Baltic Railroad Car Works while Igor Sikorsky was the chief engineer of the aircraft manufacturing division. The S-11 was a two seat mid-wing monoplane with wire-braced wings powered by a Gnome Monosoupape air-cooled rotary engine rated at . It was smaller and lighter than the S-7 on which it was based, and had a conventional wooden fuselage. The cockpit featured side-by-side seating with controls for the pilot only on the left. Originally built with ailerons