__NOTOC__ The Nord 1750 Norelfe was a 1950s French three-seat

helicopter A helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally spinning rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward and laterally. These attributes ...

built by

Nord Aviation Nord-Aviation ( en, Northern Aviation) was a state-owned French aircraft manufacturer. The bulk of its facilities were based on the site of Bourges airport, in the département of Cher, in central France. On 1 October 1954, Nord Aviation was cr ...

and designed by

Jean Cantinieau Jean may refer to: People * Jean (female given name) * Jean (male given name) * Jean (surname) Fictional characters * Jean Grey, a Marvel Comics character * Jean Valjean, fictional character in novel ''Les Misérables'' and its adaptations * J ...

Development

The 1750 Norelfe was based on the

Matra-Cantinieau MC-101A The Matra-Cantinieau MC-101 was an early 1950s French experimental two seat helicopter of conventional tail rotor configuration but with its engine mounted close to the main rotor, above the seating. Design and development The helicopters design ...

, 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 The Turbomeca Artouste is an early French turboshaft engine, first run in 1947. Originally conceived as an auxiliary power unit (APU), it was soon adapted to aircraft propulsion, and found a niche as a powerplant for turboshaft-driven helicopter ...

turboshaft, the first of two Norelfes flew on 28 December 1954. The company sold the two helicopters and the design rights to

Aerotécnica __NOTOC__ Aerotécnica was a Spanish aircraft manufacturer established in Madrid in 1954 to develop Jean Cantinieau's helicopter designs. After manufacturing small numbers of the AC-12 and AC-14, the firm ceased trading in 1962, as a consequenc ...

of Spain who redesignated them the Aerotécnica AC-13A. Aerotécnica went on to produce a larger five-seat version, the

Aerotécnica AC-14 The Aerotécnica AC-14 was a Spanish five-seat light helicopter of the 1950s, designed by Jean Cantinieau, based on enlarging his Nord Norelfe __NOTOC__ The Nord 1750 Norelfe was a 1950s French three-seat helicopter built by Nord Aviation and ...

which was used by the

Ejército del Aire , colours = , colours_label = , march = Spanish Air and Space Force Anthem , mascot = , anniversaries = 10 December , equipment ...

(Spanish Air Force).

Development

Specifications (AC-13A)

See also

References

Further reading