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Sukhoi Su-3 / I-360


At the time of the evacuation of the Sukhoi OKB to Novosibirsk, the prototype of a developed version of the Su-1, the Su-3, was under construction. Initiated under the designation I-360, the Su-3 mated the Su-1 fuselage and tail surfaces with an entirely new wing of revised profile with shorter-span outer panels resulting in a 2.00sq.m reduction in wing area. The radiator bath was enlarged, but in all other major respects the Su-3 was similar to the Su-1. Retaining the M-105P engine and the same armament, the Su-3 was completed at Novosibirsk and entered flight test in the late summer of 1942. Although the TsIAM had meanwhile undertaken much development work on the TK-2 turbo-supercharger, the principal defects were found to remain, and, as a consequence, development of the Su-3 was discontinued towards the end of 1942.

Engine: Klimov M-105P V-12, 1,100hp
Max take-off weight: 2860 kg / 6305 lb
Empty weight: 2490 kg / 5490 lb
Wingspan: 10.10 m / 33 ft 2 in
Length: 8.42 m / 28 ft 7 in
Height: 2.71 m / 9 ft 11 in
Wing area: 17.00 sq.m / 182.99 sq ft
Max. speed: 638 km/h / 396 mph
Range: 700 km / 435 miles
Armament: one 20mm cannon and two 7.62mm machine guns



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