| A third I-230 airframe was completed early in 1943 with
a 1800hp Mikulin AM-39 12-cylinder Vee-type engine
and the Izdeliye designation 2D. Apart from the tailplane
which was set 20cm lower, this aircraft was basically similar to the first I-230 and retained the
same armament of twin synchronised cannon.
Assigned the official designation of I-231, the prototype
was written off in a landing accident shortly after the
completion of factory testing and further development
was discontinued.
 | A three-view drawing (1670 x 1217) |
WEIGHTS |
Take-off weight | 3287 kg | 7247 lb |
Empty weight | 2583 kg | 5695 lb |
PERFORMANCE |
Max. speed | 707 km/h | 439 mph |
Range | 1350 km | 839 miles |
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|  COMPANY PROFILE All the World's Rotorcraft
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