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From Wikipedia, the free encyclopedia

IAR 37
Sublocotenent erou Mircea Lipan şi avionul IAR-37 - 1941.JPG
Role Reconnaissance and light bomber
Manufacturer Industria Aeronautică Română
SET
First flight 1937
Introduction 1938
Primary users Royal Romanian Air Force
Romanian Air Force
Number built 380

The IAR 37 was a 1930s Romanian reconnaissance or light bomber aircraft built by Industria Aeronautică Română.

Development

The IAR 37 prototype was flown for the first time in 1937 to meet a requirement for a tactical bombing and reconnaissance aircraft. The IAR 37 was an unequal-span single bay biplane with a fixed tailwheel landing gear and powered by a licensed copy of the Gnome-Rhône Mistral Major radial engine called the  IAR K14-II C32  with 870 HP. It had room for a crew of three under a continuous glazed cockpit, pilot at the front then observer and a gunner at the rear. It had dual controls and was fitted with a locally designed bombsight and a camera. The IAR 37 entered production in 1938, but production of the engine lagged, preventing the aircraft from being completed, and it was replaced on the production line by the IAR 38, powered by the reliable BMW 132 engine. As availability and reliability of the K.14 engine improved, the incomplete IAR 37s were fitted with IAR K.14-III C36 with 930 HP to allow their completion and production was switched to the improved IAR 39, which also used the IAR K.14-IV C32 with 960HP. Total production of all three types was 380, at both IAR and SET, continuing until October 1944 with the majority being IAR 39s.[1]

Operational history

The aircraft entered service with the Royal Romanian Air Force in 1938 and, by the end of the 1940, they equipped a large number of squadrons. When Romania supported the German offensive against the Soviet Union 15 of the 18 reconnaissance squadrons were equipped with IAR biplanes. The IAR 39 was used by most of the reconnaissance squadrons involved in the 1941 offensive against the Soviet Union.

When the new post-war government was formed in 1947, a smaller number of IAR 39s were used by the new Romanian Air Force for training and liaison.[2]

Variants

IAR 37
Initial production. Powered by  IAR K14-II C32 - 649 kW (870 hp) engine. 50 built (IAR).[1]
IAR 38
Powered by 522 kW (700 hp) BMW 132A engine owing to unavailability of K14. Taller tail. 75 built (IAR).[1]
IAR 39
Revised version of IAR 38 reverting to IAR K.14-III C36 - 690 kW (930 hp) engine. 255 built (95 at IAR and 160 at SET).[1]

Operators

Romania Kingdom of Romania
 Romania

Specifications (IAR 39)

Data from The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985), 1985, Orbis Publishing, Page 2192

General characteristics

  • Crew: 3
  • Length: 9.60 m (31 ft 6 in)
  • Wingspan: 13.10 m (42 ft 11.75 in)
  • Height: 3.99 m (13 ft 1 in)
  • Wing area: 40.30 m2 (433.80 sq ft)
  • Empty weight: 2,177 kg (4,799 lb)
  • Gross weight: 3,085 kg (6,801 lb)
  • Powerplant: 1 × IAR K.14-IV C32 radial piston , 716 kW (960 hp)

Performance

  • Maximum speed: 336 km/h (209 mph, 182 kn)
  • Range: 1,050 km (652 mi, 567 nmi)
  • Service ceiling: 8,000 m (26,245 ft)

Armament

  • 3 x FN (Browning) 7.92 mm (0.31 in) machine gun
  • 288kg (635lb) of bombs or 144 air-grenades

See also

Aircraft of comparable role, configuration, and era

Related lists

References

  1. ^ a b c d Axworthy 1995, pp. 243-247
  2. ^ Morosanu 1994, p.211.

Bibliography

  • Axworthy, Max. "On Three Fronts: Romania's Aircraft Industry During World War Two". Air Enthusiast, No. 56, Winter 1994. pp. 8–27. ISSN 0143-5450.
  • Axworthy, Mark. "Third Axis, Fourth Ally: Romanian Armed Forces in the European War, 1941–1945". London: Arms and Armour. 1995.
  • Morosanu, Teodor Liviu. "Romanian Reconnaissance". Air International, April 1994, Vol 46 No 4. pp. 207–211. ISSN 0306-5634.
This page was last edited on 30 March 2021, at 08:43
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