Nord Norelfe

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Norelfe
Role Three-seat experimental helicopter
National origin France
Manufacturer Nord Aviation
Designer
First flight 28 December 1954
Number built 2

The Nord 1750 Norelfe was a 1950s French three-seat helicopter built by Nord Aviation and designed by .

Development[]

The 1750 Norelfe was based on the Matra-Cantinieau MC-101A, an earlier helicopter designed by . It had a single main rotor, with torque control through a movable duct at the end of the tailboom. Powered by a Turbomeca Artouste turboshaft, the first of two Norelfes flew on 28 December 1954.[1]

The company sold the two helicopters and the design rights to Aerotécnica of Spain who redesignated them the Aerotécnica AC-13A.[1] Aerotécnica went on to produce a larger five-seat version, the Aerotécnica AC-14 which was used by the Ejército del Aire (Spanish Air Force).

Specifications (AC-13A)[]

Data from Jane's All the World's Aircraft 1958-59[2]

General characteristics

  • Crew: 1
  • Capacity: 2 pax
  • Length: 7.48 m (24 ft 6 in)
  • Height: 2.75 m (9 ft 0 in) to top of rotor pylon
  • Empty weight: 575 kg (1,268 lb)
  • Gross weight: 880 kg (1,940 lb)
  • Fuel capacity: 115 l (30 US gal; 25 imp gal)
  • Powerplant: 1 × Turbomeca Artouste I turboshaft, 130 kW (170 hp) at transmission (rated to 260 shp (194 kW))
  • Main rotor diameter: 9.04 m (29 ft 8 in)
  • Main rotor area: 64 m2 (690 sq ft)

Performance

  • Maximum speed: 140 km/h (87 mph, 76 kn)
  • Cruise speed: 124 km/h (77 mph, 67 kn)
  • Range: 140–345 km (87–214 mi, 76–186 nmi)
  • Service ceiling: 6,065 m (19,898 ft)
  • Hover ceiling IGE: 2,650 m (8,694 ft)
  • Rate of climb: 4.6 m/s (910 ft/min)

See also[]

Related development

Related lists

References[]

  1. ^ a b The Illustrated Encyclopaedia of Aircraft. London: Orbis Publications. 1985. p. 2617.
  2. ^ Bridgman, Leonard, ed. (1958). Jane's All the World's Aircraft 1958-59. London: Jane's All the World's Aircraft Publishing Co. Ltd. pp. 235–236.

Further reading[]

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