Mikoyan-Gurevich I-230
| Mikoyan-Gurevich I-230 (D) | |
|---|---|
| Type: | Fighter plane |
| Design country: | |
| Manufacturer: | |
| First flight: |
August 11, 1942 |
| Commissioning: |
only prototype and pre-series |
| Number of pieces: |
|
.svg){kind=small}
The Mikoyan-Gurewitsch I-230 ( Russian Микоян-Гуревич И-230 ) was a single-engine fighter aircraft of the Second World War . It was developed as a further development of the MiG-3 , but was not transferred to series production.
The I-230 was also referred to as the MiG-3D by the test pilots , probably because of its project name and its close relationship to the MiG-3. This designation was later adopted, although official bodies never named the aircraft that way.
development
Development work on this type began after the first combat experience with the MiG-3. The machine, also known as Project D , had an aerodynamically better design than its predecessor; the oil cooler had been relocated to the inside of the fuselage and the pilot received a more spacious cabin and better visibility through a modified cockpit. The high-altitude Mikulin AM-35A was intended as the motor, but since this was ultimately not produced, an AM-38F had to be converted accordingly.
The flight tests were carried out in the summer of 1942 by I. I. Kalinin and showed that the I-230 had only slightly better performance data than the MiG-3, especially in terms of top speed and climbing power. Since there was also no particular need for fighter planes for greater heights, the decision was made against series production. In spite of this, some pre-series machines were built that the 12th Fighter Squadron tried out in the war near Moscow.
In 1943 a slightly improved version called I-231 , Project 2D or MiG-3DD appeared with an AM-39 engine and a horizontal stabilizer that was lower than the I-310. It was tested by J. A. Antipow, but did not reach series production either.
Technical specifications
| Parameter | I-230 | I-231 |
|---|---|---|
| span | 10.20 m | |
| length | 8.62 m | |
| height | 3.15 m | |
| Wing area | 17.44 m² | |
| Empty mass | 2,612 kg | 2,700 kg |
| Takeoff mass | 3,260 kg | 3,287 kg |
| drive | a liquid-cooled V-12 engine | |
| Type | AM-38F converted to AM-35A | AM-39 |
| power | 990 kW (1,346 hp) takeoff power | 1,250 kW (1,700 PS) take-off power |
| Top speed | 660 km / h at an altitude of 7,000 m | 707 km / h at an altitude of 7,100 m |
| Ascent time to 5,000 m altitude | 5.2 min | 4.5 min |
| Summit height | 12,000 m | 11,400 m |
| Range | 1,300 km | 1,350 km |
| Armament | two 20 mm SchWAK cannons above the engine | |
| crew | 1 | |
See also
literature
- Rudolf Höfling: Type compass: MiG. Aircraft since 1939 . Motorbuch, Stuttgart 2011, ISBN 978-3-613-03335-1 .
- Karl-Heinz Eyermann : MiG aircraft . Transpress Verlag for Transport, Berlin 1987, ISBN 3-344-00193-0 .
- Nikolai K. Subbotin: Piston engine fighter aircraft from OKB Mikoyan . In: Wolfgang Sellenthin (Ed.): Fliegerkalender der DDR 1981 . Military Publishing House of the GDR, Berlin 1980, p. 35-43 .
Web links
И-231. Retrieved July 28, 2016 (Russian, history, dates, and photos for I-231).