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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 of 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.

Engine: Mikulin AM-39B-1, 1750hp
Max take-off weight: 3790 kg / 8356 lb
Empty weight: 3167 kg / 6982 lb
Wingspan: 13.00 m / 42 ft 8 in
Length: 9.60 m / 31 ft 6 in
Wing area: 22.44 sq.m / 241.54 sq ft
Max. speed: 691 km/h / 429 mph
Ceiling: 14500 m / 47550 ft
Range: 1000 km / 621 miles


Mikoyan/Gurevich I-222



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