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Sikorsky H-4B

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General Data
Notes
First Flown
1942

No longer in production

First helicopter in the world to be put in series production.

Had military designations of XR-4, XR-4C, YR-4A, R-4B,
Length
35 ft 5 in
Height
12 ft 5 in
Rotor Span
38 ft
Lift Capability
Range
220 miles
Top Speed
82 mph
Empty Weight
unknown
Max Gross Weight
at take off 2,535 lb
Service Ceiling
8,000 ft
Armament
n/a
Engines
1 Warner Super Scarab R-550-3 radial pison-engine rated at 200 hp
Accommodations
2 Pilots
Cargo
unknown
Operators
USA, Britain
Similar Aircraft
R-4B
Other Features
none

Sikorsky H-4B Sikorsky H-4B

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