Sikorsky H-34

1. Sikorsky H-34 · Wikipedia revision 1376955744 ↗

   Type

   Infobox · Type

   Helicopter

   National origin

   Infobox · National origin

   United States

   Manufacturer

   Infobox · Manufacturer

   Sikorsky Aircraft

   Status

   Infobox · Status

   In service

   Primary users

   Infobox · Primary users

   United States Army United States Navy United States Marine Corps

   Number built

   Infobox · Number built

   2,340

   Manufactured

   Infobox · Manufactured

   1954–1970 (Foreign production of derivatives and sub-types continued under license after the Sikorsky production ended.)

   Introduction date

   Infobox · Introduction date

   1954

   First flight

   Infobox · First flight

   8 March 1954

   Developed from

   Infobox · Developed from

   Sikorsky H-19 Chickasaw

   Variant

   Infobox · Variant

   Westland Wessex

   Crew

   Specifications (H-34 Choctaw) · Crew

   2

   Capacity

   Specifications (H-34 Choctaw) · Capacity

   12 troops (H-34A) / 18 troops (H-34C) / 8 stretchers

   Length

   Specifications (H-34 Choctaw) · Length

   47 ft 2 in (14.38 m) fuselage

   Height

   Specifications (H-34 Choctaw) · Height

   14 ft 3.5 in (4.356 m)

   Empty weight

   Specifications (H-34 Choctaw) · Empty weight

   7,646 lb (3,468 kg)

   Gross weight

   Specifications (H-34 Choctaw) · Gross weight

   11,867 lb (5,383 kg)

   Max takeoff weight

   Specifications (H-34 Choctaw) · Max takeoff weight

   13,300 lb (6,033 kg)

   Fuel capacity

   Specifications (H-34 Choctaw) · Fuel capacity

   198–307 US gal (165–256 imp gal; 750–1,160 L)

   Powerplant

   Specifications (H-34 Choctaw) · Powerplant

   1 × Wright R-1820-84 Cyclone , 1,525 hp (1,137 kW) for take-off

   Main rotor diameter

   Specifications (H-34 Choctaw) · Main rotor diameter

   56 ft 0 in (17.07 m)

   Maximum speed

   Specifications (H-34 Choctaw) · Maximum speed

   122 mph (196 km/h, 106 kn)

   Cruise speed

   Specifications (H-34 Choctaw) · Cruise speed

   97 mph (156 km/h, 84 kn)

   Range

   Specifications (H-34 Choctaw) · Range

   190 mi (310 km, 170 nmi)

   Service ceiling

   Specifications (H-34 Choctaw) · Service ceiling

   12,000 ft (3,700 m)

   Rate of climb

   Specifications (H-34 Choctaw) · Rate of climb

   1,500 ft/min (7.6 m/s) at sea level

   Main rotor area

   Specifications (H-34 Choctaw) · Main rotor area

   2,463 sq ft (228.8 m 2 ) * Blade section: – NACA 0012

   Hover ceiling IGE

   Specifications (H-34 Choctaw) · Hover ceiling IGE

   9,600 ft (2,926 m) ( H-34A )

   Hover ceiling OGE

   Specifications (H-34 Choctaw) · Hover ceiling OGE

   5,500 ft (1,676 m) ( H-34A )

   Vertical rate of climb

   Specifications (H-34 Choctaw) · Vertical rate of climb

   600 ft/min (3.05 m/s) at sea level

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