Lockheed XH-51 - Specifications (XH-51A)

Specifications (XH-51A)

Data from Janes's All The World's Aircraft 1969-70

General characteristics

  • Length: 40 ft 9 in (12.40 m)
  • Rotor diameter: 35 ft 0 in (10.67 m)
  • Height: 8 ft 2½ in (2.50 m)
  • Disc area: 962 ft² (89.4 m²)
  • Empty weight: 2,790 lb (1,265 kg)
  • Max. takeoff weight: 4,100 lb (1,864 kg)
  • Powerplant: 1 × Pratt & Whitney Canada PT6B-9 turboshaft, 550 hp (410 kW)

Performance

  • Maximum speed: 151 knots (174 mph, 280 km/h)
  • Cruise speed: 139 knots (160mph, 257 km/h)
  • Range: 226 NM (260 mi, 418 km)
  • Service ceiling: 16,000 ft (4,876 m) (hover ceiling (in ground effect))
  • Rate of climb: 2,000 ft/min (10 m/s)
  • Disc loading: 4.26 lb/ft² (20.9 kg/m²)
  • Power/mass: 0.27 hp/lb (0.44 kW/kg)

Read more about this topic:  Lockheed XH-51