Technical data
Type I-231, '2D'
Function Fighter
Year 1943
Crew 1
Engines 1*1500/1800hp AM-39
Length 8.62m
Wingspan 10.2m
Wing area 17.44m2
Empty weight 2583kg
Loaded weight 3287kg
Wing Load (kg/m2) 189
Power load (kg/hp) 1.9
Speed at 7100m707km/h
Range 1350km
Ceiling 11400m
Climb to 5000m4.5min
Guns 2*20mm ShVAK

I-231, '2D', A.I.Mikoyan/M.I.Gurevich

Almost identical to I-230/D/MiG-3U but with AM-39 engine and all-metal fuselage.

Performance improved, but the engine failed to enter mass production and aircraft remained experimental. It was the last aircraft with MiG-1/I-200 size airframe. Further improvement of performance required more powerful engines and increased size of the aircraft.

Predecessor I-230/D/MiG-3U

  • "History of aircraft construction in the USSR", Vol.1 p.236;

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  • I-231, Mikoyan-Gurevich

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