VS-300
Igor Sikorsky in the VS-300, at the end of 1941
Role	Experimental
Manufacturer	Vought-Sikorsky
Designed by	Igor Sikorsky
First flight	13 May 1940
Variants	Sikorsky R-4

The Vought-Sikorsky VS-300 was a helicopter designed by Igor Sikorsky. It first flew on 14 September 1939 and had a single three-blade rotor powered by a 75 horsepower (56 kW) engine. Its first free (untethered) flight was on 13 May 1940. While not the first successful helicopter to fly, it was the first of the configuration that would later become the most popular.

Specifications (VS-300)

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General characteristics

• Length: 28 ft 0 in (8.53 m)
• Rotor diameter: 30 ft 0 in (9.14 m)
• Height: 10 ft 0 in (3.05 m)
• Loaded weight: 1,150 lb (522 kg)
• Powerplant: 1× Franklin reciprocating piston engine, 90 hp (67.11 kW)

Performance

References

Notes

Bibliography

External links

• http://www.hfmgv.org/exhibits/heroes/inventors/sikorsky.asp

See also

Related development

• Sikorsky R-4
  

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