ASh-82V

The ASh-82V engine was developed in 1952 based on the ASh-82T engine, and it was designed for the Mikhail L. Mil’s (Mi-4) and Alexander S. Yakovlev’s (Yak-24) helicopters. The
ASh-82V, a 14-cylinder engine with axial-flow fan and clutch, was a forebody-mounted engine. The engine was connected with the P-5 two-stage main planetary gearbox with the shaft passing between the pilot seats. The ASh-82V engine was being mass-produced in 1952-1955 at Perm engine-building factory.
February 1958 saw the launch of mass production of ASh-82V in Harbin (under HS7 Chinese brand) to power Chinese Z-5, Z-6 helicopters. A total of over 3900 Mi-4 helicopters was produced till 1966, including licensed Chinese helicopters.
ASh-82V Key Engine Parameters
NT/O = 1700 hp |
Nnom = 1530 hp (in first gear) |
Nnom = 1350 hp (in second gear) |
H = 1500 m (in first gear) |
H = 4550 m (in second gear) |
Сspec.T/O = 325…..360 g/HP-hr |
Сspec.nom = 285….315 g/HP-hr (in first gear) |
Сspec.nom = 310….335 g/HP-hr (in second gear) |
n T/O = 2600 RPM |
n nom = 2400 RPM |
D cylinder = 155.5 mm |
Piston stroke is 155 mm |
М engine =1070 kg |
D engine = 1300 mm |
L engine = 1880 mm |
Number and location of cylinders: 14 (double-row radial) |
A total of over 70 000 ASh-82 family engines in different versions was produced.