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Piasecki H-21 Shawnee
Specifications

Type: Cargo helicopter
Crew: 2
Capacity: 22 troops or 12 stretchers
Manufacturer: Piasecki Helicopter
   Models: See variants
Maiden flight: 1949
Service Retirement: 1967
Number built: N/A
Specifications: CH-21C Shawnee
Powerplant:
 Model: Wright R-1820-103
 Type: Radial Engine
 Number: One
 Horsepower: 1,425 hp
Dimensions:
 Length: 52 ft 6 in (16.0 m)
 Rotor Diameter: 44 ft 0 in (13.4 m)
 Disc Area: 3,041 ft² (282.7 m²)
 Height: 15 ft 9 in (4.80 m)

Weights:
 Empty: 8,950 lb (4,058 kg)
 Max takeoff: 15,200 lb (6,893 kg)

   Performance:
 Maximum speed: 127 mph (204 kph)
 Range: 265 mi (426 km)
 Service ceiling: 9,450 ft (2,880 m)
 Rate of climb: N/A
 Disc loading: 5 lb/ft² (24 kg/m²)
 Power/mass: 0.09 hp/lb (150 W/kg)
Armament:
Usually twin or quad .50 machine guns
Sources:
Wikipedia: H-21 Shawnee
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