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DINFIA IA 35

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IA 35 Huanquero
Role Twin-engine utility aircraft
Manufacturer DINFIA
Designer Kurt Tank
First flight 1953
Introduction 1957
Primary user Argentine Air Force
Number built 50+

The DINFIA IA 35 Huanquero was a 1950s Argentine twin-engined general-purpose monoplane aircraft built by the DINFIA.

Development

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[1] radial engines.

The design team was led by professor Kurt Tank, former Focke Wulf designer who also designed the Pulqui II jet fighter based on the Focke-Wulf Ta 183 of the World War II era.

The prototype first flew on 21 September 1953 and was followed by a planned production batch of 100 aircraft.[2] The first production aircraft flew on 29 March 1957[2] but less than half of the aircraft were built when production ceased in the mid-1960s.

Variants

Pandora prototype
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 with crew of three and camera operator, powered by two IA 19R El Indio radial engines.
Constancia II
Projected version with Turbomeca Bastan turboprops.
Pandora
Civil transport version with room for ten passengers, powered by two 750hp (559kW) IA 19SR1 El Indio radial engines.

Survivors

IA 35 Huanquero A-316 preserved at Museo Nacional de Aeronautica

Operators

 Argentina
Argentine Air Force

Specifications (IA 35 Type 1A)

Data from Jane's All The World's Aircraft 1961–62[4]

General characteristics

  • 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

Performance

  • Maximum speed: 362 km/h (225 mph, 195 kn) at 3,000 m (9,840 ft)
  • Cruise speed: 320 km/h (200 mph, 170 kn) at 300 m (980 ft) (econ cruise)
  • Range: 1,570 km (980 mi, 850 nmi)
  • Endurance: 4 hr 40 min
  • Service ceiling: 6,400 m (21,000 ft)
  • Rate of climb: 5.00 m/s (984 ft/min)

See also

Related development

References

Notes
  1. ^ Club IAME - Productos de la Fábrica IAME, IAe R19 motor “El Indio”
  2. ^ a b Taylor 1961, p. 5.
  3. ^ Ogden, 2008, p. 510
  4. ^ Taylor 1961, pp. 5–6.
Bibliography
  • 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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