| 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.
WEIGHTS |
Take-off weight | 3790 kg | 8356 lb |
Empty weight | 3167 kg | 6982 lb |
DIMENSIONS |
Wingspan | 13.00 m | 43 ft 8 in |
Length | 9.60 m | 32 ft 6 in |
Wing area | 22.44 m2 | 241.54 sq ft |
PERFORMANCE |
Max. speed | 691 km/h | 429 mph |
Ceiling | 14500 m | 47550 ft |
Range | 1000 km | 621 miles |
| A three-view drawing (1667 x 1070) |
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