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From Wikipedia, the free encyclopedia

Role Fighter
Manufacturer Ilyushin
First flight 19 May 1944
Status Prototype only
Produced 1944
Number built 1

The Ilyushin Il-1 (Cyrillic Илью́шин Ил-1) was a Soviet fighter aircraft developed during World War II by the Ilyushin design bureau. It was designed in 1943 as an armored fighter for use at low and medium altitudes against the latest German fighters, but by the time it made its first flight in 1944, the Soviets had already achieved air superiority and it was therefore redundant. Only one example was built, but the parallel two-seat attack version led to the successful Ilyushin Il-10.


In 1943, Sergey Ilyushin started work on a new aircraft, the Il-1 armoured fighter, in both single- and two-seat versions. The Il-1 was similar to the Ilyushin Il-2 design, but was more modern and compact, and powered with a new Mikulin engine, the AM-42. The Il-1 used the same principle of a stress-bearing armored shell to protect the engine and pilot as did the Il-2, but protection was increased by moving the oil cooler and radiator inside the shell, cooled by wing-root ducts that exhausted through an armored slot on the underside. The landing gear retracted aft and the wheels rotated to lie flat within the wings. The two VYa-23 cannon were carried over from the Il-2, but they were its only gun armament. 200 kg (440 lb) of bombs could be carried externally in overload condition. A cassette of ten AG-2 aerial grenades was carried to drop in the path of pursuing fighters.[1]

The Il-1 made its first flight on 19 May 1944 and demonstrated a top speed of 580 km/h (360 mph) during its manufacturer's trials, but this was significantly less than that of Soviet fighters already in service and Ilyushin decided not to submit it for State acceptance trials.[2]

From the beginning, Ilyushin had decided to turn the two-seat version of the Il-1 into a ground-attack aircraft, with the designation changed to Ilyushin Il-10 in April 1944 as odd numbers were reserved for fighters. The Il-10 first flew on 19 April 1944, and underwent successful state trials the following month.[3]


 Soviet Union

Specifications (Il-1)

Data from The Osprey Encyclopedia of Russian Aircraft 1875–1995[4]

General characteristics

  • Crew: 1 or 2
  • Length: 11.12 m (36 ft 6 in)
  • Wingspan: 13.4 m (44 ft 0 in)
  • Height: 4.08 m (13 ft 5 in) [5]
  • Wing area: 30 m2 (320 sq ft)
  • Empty weight: 4,285 kg (9,447 lb)
  • Gross weight: 5,320 kg (11,729 lb)
  • Powerplant: 1 × Mikulin AM-42 V-12 liquid-cooled piston engine, 1,472 kW (1,974 hp) for take-off[6]
  • Propellers: 3-bladed variable-pitch propeller


  • Maximum speed: 580 km/h (360 mph, 310 kn) at 3,260 m (10,696 ft)
  • Range: 1,000 km (620 mi, 540 nmi)
  • Service ceiling: 8,600 m (28,200 ft)
  • Time to altitude: 1,000 m (3,281 ft) in 1 minute 36 seconds


  • Guns: 2 × 23 mm VYa-23 cannons
  • Bombs: 200 kg (440 lb) bombs, dispenser for 10 grenades in rear fuselage

See also

Related development

Aircraft of comparable role, configuration, and era


  1. ^ Gordon, p. 46
  2. ^ Gordon, pp. 46–47
  3. ^ Gordon, p. 47
  4. ^ Gunston, Bill (1995). The Osprey Encyclopedia of Russian Aircraft 1875–1995. London: Osprey. pp. 107–108. ISBN 1-85532-405-9.
  5. ^ Ильюшин Ил-1 (Ilyushin Il-1), (in Russian). Уголок неба. Retrieved 29 October 2008
  6. ^ Green and Swanborough 1994, p. 307


  • Gordon, Yefim; Komissarov, Dmitriy and Sergey (2004). OKB Ilyushin: A History of the Design Bureau and its Aircraft. London: Ian Allan. ISBN 1-85780-187-3.
  • Gunston, Bill (1995). The Osprey Encyclopedia of Russian Aircraft from 1875 – 1995. London: Osprey Aerospace. ISBN 1-85532-405-9.
  • Green, William; Swanborough, Gordon (1994). The Complete Book of Fighters. New York: Smithmark. ISBN 0-8317-3939-8.
This page was last edited on 29 January 2021, at 20:13
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