The Piasecki H-21 Workhorse/Shawnee is an American helicopter, the fourth of a line of tandem rotor helicopters designed and built by Piasecki Helicopter (later Boeing Vertol). Commonly called the "flying banana", it was a multi-mission helicopter, utilizing wheels, skis, or floats. It was used for Arctic rescue because it performed so well at low temperatures.
General characteristics
* Crew: 2
* Length: 52 ft 6 in (16.0 m)
* Rotor diameter: 44 ft 0 in (13.4 m)
* Height: 15 ft 9 in (4.80 m)
* Disc area: 3,041 ft² (282.7 m²)
* Empty weight: 8,950 lb (4,058 kg)
* Loaded weight: 15,200 lb (6,893 kg)
* Powerplant: 1Ã Wright R-1820-103 radial engine, 1,425 hp (1,063 kW) driving 2 rotors
Performance
* Maximum speed: 127 mph (110 knots, 204 km/h)
* Range: 265 mi (230 nm, 426 km)
* Service ceiling: 9,450 ft (2,880 m)
* Disc loading: 5 lb/ft² (24 kg/m²)
* Power/mass: 0.09 hp/lb (150 W/kg)
Armament
* Varying, but usually twin or quad .50 (12.7 mm) machine guns.
