Aerotécnica AC-14
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The Aerotécnica AC-14 was a Spanish five-seat light helicopter of the 1950s, designed by Jean Cantinieau, based on enlarging his Nord Norelfe design.
The AC-14 continued the Cantinieau practice of mounting the engine forward of the main rotor, and like the Norelfe, used the ducted exhaust from the turboshaft to counter the torque of the main rotor.
The first of prototype flew on 16 July 1957. A pre-production order for ten machines was placed by the Spanish Air Force where they served for a short time under the designation EC-XZ-4. No full production ensued, as they were much more expensive than the second hand Bell 47 G-2 and G-3 (leftover of the Korean War).
[edit] Operators
Spain
- Spanish Air Force - Ten pre-production aircraft only.
[edit] Specifications
[edit] General characteristics
- Crew: one, pilot
- Capacity: 4 passengers
- Length: 11.22 m (36 ft 10 in)
- Main rotor diameter: 9.60 m (31 ft 6 in)
- Height: 3.10 m (10 ft 1 in)
- Main rotor area: 72.4 m² (780 ft²)
- Empty weight: 700 kg (1,500 lb)
- Maximum weight: 1,300 kg (2,870 lb)
- Powerplant: 1 × Turboméca Artouste IIB1, 300 kW (400 shp)
[edit] Performance
- Maximum speed: 180 km/h (110 mph)
- Range: 260 km (160 miles)
- Service ceiling: 6,350 m (21,000 ft)
- Rate of climb: 300 m/min (980 ft/min)
[edit] Related content
Related development: Nord Norelfe
Comparable aircraft:
Designation sequence: AC-11 - AC-12 - AC-13 - AC-14 - AC-21
[edit] References
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions.
- Simpson, R. W. (1998). Airlife's Helicopters and Rotorcraft. Ramsbury: Airlife Publishing.
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