AI-450M

It is used for installation in multi-purpose helicopters. It is of double-rotor design including the gas generator rotor and the free turbine rotor.
The ÀI-450Ì turboshaft family engines have the following versions:

AI-450Ì and AI-450Ì1 engines provide the takeoff power of 400 hp;
AI-450Ì-B engines provide the takeoff power of 430 hp;
AI-450Ì-P and AI-450Ì1-P engines provide the takeoff power of 465 hp.

Basic specifications:

	ÀI-450Ì ÀI-450Ì1	ÀI-450Ì-B	ÀI-450Ì-P ÀI-450Ì1-P
30-min OEI rating (SLS; ISA)
Power, shp	400	430	465
flat-rated to t_AMB, °C	+40	+40	+30
Takeoff rating (SLS; ISA)
Power, shp	400	430	465
flat-rated to t_AMB, °C	+30	+25	+15
Specific fuel consumption, kg/shp•h	0.289	0.284	0.278
Cruise rating (SLS; ISA)
Power, shp	285	300	300
flat-rated to t_AMB, °C	+30	+25	+25
Specific fuel consumption, kg/shp•h	0.330	0.323	0.323
Dry weight, kg	115	115	115

AI-450M, AI-450M-P, AI-450M-B - rear output shaft versions.
AI-450M1, AI-450M1-P - front output shaft versions.

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