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Isotov GTD-350
Klimov GTD-350



The Klimov GTD-350 (initially Isotov GTD-350) is a Soviet gas-turbine turboshaft engine intended for helicopter use. Designed in the early 1960s by the Isotov Design Bureau the engine, first run in 1963, was later produced by Klimov and PZL, production ending in the late 1990s after more thaan 11,000 were built.

The GTD-350 powers the Mil Mi-2, the first Soviet gas-turbine powered helicopter, and has accumulated over 20 million hours in service.


Type: Turboshaft
Length: 1,350 mm (4.429 ft)
Diameter: 522 mm (1.713 ft)
Dry weight: 135 kg (298 lb)
Compressor: Seven-stage axial flow plus single-stage centrifugal
Combustors: Single-chamber reverse flow
Turbine: Single-stage compressor turbine, two-stage power turbine
Maximum power output: 400 hp (298 kW)
Overall pressure ratio: 6.05:1 at 45,000 rpm
Specific fuel consumption: 365 g/hp/hr
Power-to-weight ratio: 2.2 kW/kg (1.34 hp/lb)







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