Technical data
Type I-225, 5A
Function Fighter
Year 1944
Crew 1
Engines 1*1750/2000hp AM-42B with 1*TK-300B
Length 9.50m
Wingspan 11.0m
Wing area 20.38m2
Empty weight 3222kg
Loaded weight 3912kg
Wing Load (kg/m2) 192
Power load (kg/hp) 1.95
Speed at 0m 618km/h
Speed at 7800m 704km/h
Range 1300km
Ceiling 12600m
Climb to 5000m 4.5min
Armament
Guns 4*20mm ShVAK

I-225, '5A' A.I.Mikoyan/M.I.Gurevich

28k b/w drawing of I-222, I-224 and I-225 at "History of aircraft construction in the USSR", Vol.1 p.239;

I-225 concluded line of A.I.Mikoyan-and-M.I.Gurevich piston engine high altitude interceptors. Even more powerful engine, even more powerful armament (salvo 5.12kg/sec) ... but too late to go to series production. Jet engines could provide higher speeds and altitudes, unreachable with piston engines.

First flight (pilot A.P.Yakimov) took place on May 21, 1944. On August 7, 1944 at 7800m speed 704km/h was demonstrated. Tests were not finished due to crash in 15th flight.

Second I-225 with AM-42FB engine and improved pilot view was flown only on March 14, 1945.

Predecessor I-224, 4A
Development None. It was time to go jets.

References:
Modified October 13, 1997 Back to
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