Mikoyan/Gurevich I-222


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Mikoyan/Gurevich I-222

The first of the "A" high-altitude fighter series to mate turbo-supercharger and cabin pressurisation, the I-222, or 3A, was powered by a Mikulin AM-39B-1 engine which afforded 1750hp for take-off and had a TK-300B turbo-supercharger on its port side. Armament consisted of two synchronised 20mm ShVAK cannon. Reverting to the wooden monocoque rear fuselage of the I-220, the I-222 employed a Shchyerbakov-designed pressure cabin of welded dural sheet with inflatable rubber seals and pressurized by air tapped from the compressor. The cockpit was air conditioned for the first time in a Soviet fighter. The flight test programme began on 7 May 1944, but although plans had been formulated to produce the "A" series altitude fighters in quantity, the course of the war had meanwhile virtually eliminated the threat of high-altitude Luftwaffe attack. Priorities were therefore changed and although the development programme was continued all proposals for series production were discarded.

Mikoyan/Gurevich I-222

  Take-off weight3790 kg8356 lb
  Empty weight3167 kg6982 lb
  Wingspan13.00 m43 ft 8 in
  Length9.60 m32 ft 6 in
  Wing area22.44 m2241.54 sq ft
  Max. speed691 km/h429 mph
  Ceiling14500 m47550 ft
  Range1000 km621 miles

Mikoyan/Gurevich I-222A three-view drawing (1667 x 1070)

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