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|manufacturer=Vought-Sikorsky
|manufacturer=Vought-Sikorsky
|designer=Igor Sikorsky
|designer=Igor Sikorsky
|first flight=14 September 1939 <ref>First takeoff and landing on the same helipad. - ''US Warbirds''. 1985 </ref>
|first flight=13 May 1940
|introduced=
|introduced=
|retired=
|retired=

Revision as of 10:13, 2 April 2010

VS-300
File:Sikorsky vs-300.jpg
Igor Sikorsky in the VS-300, at the end of 1941
Role Experimental
Manufacturer Vought-Sikorsky
Designer Igor Sikorsky
First flight 14 September 1939 [1]
Variants Sikorsky R-4

The Vought-Sikorsky VS-300 was 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 flight of the VS-300 was on 13 May 1940,[2] powered by a larger, 90 horsepower (67 kW) engine. While not the first successful helicopter to fly, it was the first successful helicopter in the United States and the first successful helicopter to use a single vertical tail rotor configuration for antitorque.

Development

Sikorsky fitted utility floats (also called pontoons) to the VS-300 and performed a water landing and takeoff on 17 April 1941, making it the first practical amphibious helicopter.[3] On 6 May 1941, the VS-300 beat the world endurance record held by the Fw 61 by staying aloft for 1 hour 32 minutes and 26.1 seconds.[2]

Specifications (VS-300)

Data from {name of first source}

General characteristics

Performance

See also

Related development

References

Notes
  1. ^ First takeoff and landing on the same helipad. - US Warbirds. 1985
  2. ^ a b Munson 1968
  3. ^ Sikorsky.com Timeline. Retrieved on September 22, 2009.
Bibliography
  • Munson, Kenneth. Helicopters and Other Rotorcraft Since 1907. London: Blandford, 1968. ISBN 0-7137-06104.