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The VR-442 gearbox is designed for the MSB-2 helicopters, powered by the AI-450M-P.

Basic specifications:

Main drive shaft speed, rpm 6000
Gear ratio to the main rotor shaft 0,0417
Takeoff power rating, h.p. 2x465
TBO/Total service life, h 1200/4500
Total calendar life, years 10
Overall dimensions, mm
Length 920
Width 876
Height 1478
Weight, kg 309+2%
Engine AI-450M-P

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