DINFIA IA 35
|IA 35 Huanquero|
|Role||Twin-engine utility aircraft|
|Primary user||Argentine Air Force|
The IA 35 Huanquero was the first aircraft design from the DINFIA organisation (Argentina) to enter production. A twin-engined all-metal (except for fabric-covered ailerons) low-wing cantilever monoplane, it had a high-mounted tailplane with two fins and rudders and retractable tricycle landing gear. It was powered by two I.Ae. 19R El Indio radial engines.
The prototype first flew on 21 September 1953 and was followed by a planned production batch of 100 aircraft. The first production aircraft flew on 29 March 1957 but less than half of the aircraft were built when production ceased in the mid-1960s.
- IA 35 Type 1A
- Advanced instrument or navigation trainer powered by two IA 19R El Indio radial engines.
- IA 35 Type 1U
- Bombing and Gunnery trainer powered by two 750hp (559kW) IA 19SR1 El Indio radial engines.
- IA 35 Type II
- Light transport version with a crew of three and seven passengers, powered by two IA 19R El Indio radial engines.
- IA 35 Type III
- Air ambulance version with a crew of three and four stretchers with attendants, powered by two IA 19R El Indio radial engines.
- IA 35 Type IV
- Photographic reconnaissance version crew of three and camera operator, powered by two IA 19R El Indio radial engines.
- Constancia II
- Projected version with Turbomeca Bastan turboprops.
- Civil transport version with room for ten passengers, powered by two 750hp (559kW) IA 19SR1 El Indio radial engines.
An ex Fuerza Aerea Argentina IA 35 is preserved in the Museo Nacional de Aeronautica at Moron airfield, near Buenos Aires.
Specifications (IA 35 Type 1A)
Data from Jane's All The World's Aircraft 1961–62
- Crew: eight (pilot, co-pilot, radio operator, instructor and four pupils)
- Length: 13.98 m (45 ft 10 in)
- Wingspan: 19.6 m (64 ft 4 in)
- Wing area: 42.0 m2 (452 sq ft)
- Aspect ratio: 9:1
- Airfoil: NACA 633-218 at root, NACA 631-212 at tip
- Empty weight: 3,500 kg (7,716 lb)
- Gross weight: 5,700 kg (12,566 lb)
- Fuel capacity: 1,200 L (143 Imp Gall)
- Powerplant: 2 × IA 19R El Indio 9-cylinder air-cooled radial engines, 460 kW (620 hp) each
- Propellers: three-bladed Rotol
- Maximum speed: 362 km/h (225 mph; 195 kn) at 3,000 m (9,840 ft)
- Cruising speed: 320 km/h (199 mph; 173 kn) at 300 m (980 ft) (econ cruise)
- Range: 1,570 km (976 mi; 848 nmi)
- Endurance: 4 hr 40 min
- Service ceiling: 6,400 m (20,997 ft)
- Rate of climb: 5.00 m/s (984 ft/min)
- Related development
- Club IAME - Productos de la Fábrica IAME, IAe R19 motor “El Indio”
- Taylor 1961, p. 5.
- Ogden, 2008, p. 510
- Taylor 1961, pp. 5–6.
- Ogden, Bob, Aviation Museums and Collections of the rest of the World, 2008, Air-Britain (Historians) Ltd, Tonbridge, Kent, ISBN 978-0-85130-394-9.
- Taylor, John W. R. Jane's All The World's Aircraft 1965-66. London: Sampson Low, Marston, 1965.
- The Illustrated Encyclopedia of Aircraft (Part Work 1982–1985), 1985, Orbis Publishing
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