I-224, '4A', Mikoyan-Gurevich  


I-224, '4A' A.I.Mikoyan/M.I.Gurevich


Almost identical to I-222/3A. Differed by improved air-air radiator (for the pressurized cockpit) under the fuselage and special high-altitude propeller with very wide blades. 

During factory flight tests (Fall 1944) achieved altitude 140000 m, but failed to demonstrate calculated range 1400km

Predecessor I-222, 3A
Development I-225, 5A

Technical data
Type I-224, 4A
Function Fighter
Year 1944
Crew 1
Engines 1*1430/1860hp AM-39B with 1(or 2???)*TK-300B
Length 9.60m
Wingspan 13.0m
Wing area 22.44m2
Empty weight 3070kg
Loaded weight 3745kg
Wing load 167kg/m2
Power load 2.62kg/hp
Speed at 0m 601km/h
Speed at 13000m 693km/h
Ceiling 14000m
Climb to 5000m 4.8min
Guns 2*20mm ShVAK