Westland IV - Specifications (Wessex (Genet Major 1A)

Specifications (Wessex (Genet Major 1A)

Data from British Civil Aircraft 1919-1972: Volume III

General characteristics

  • Crew: Two
  • Capacity: Six passengers
  • Length: 38 ft 0 in (11.59 m)
  • Wingspan: 57 ft 6 in (17.53 m)
  • Height: 9 ft 6 in (2.89 m)
  • Wing area: 490 ft² (45.5 m²)
  • Empty weight: 3,891 lb (1,769 kg)
  • Loaded weight: 6,300 lb (2,864 kg)
  • Powerplant: 3 × Armstrong Siddeley Genet Major 1A 7-cylinder air cooled radial engine, 140 hp (104 kW) each

Performance

  • Maximum speed: 122 mph (106 knots, 196 km/h)
  • Cruise speed: 100 mph (87 knots, 161 km/h)
  • Range: 420 mi (365 NM, 676 km)
  • Service ceiling: 14,900 ft (4,540 m)
  • Rate of climb: 680 ft/min (3.46 m/s)
  • Wing loading: 12.9 lb/ft² (62.9 kg/m²)
  • Power/mass: 0.067 hp/lb (0.11 kW/kg)

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