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Klimov GTD 350

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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 was later produced by Klimov and PZL, production ending in the late 1990s.

Contents

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

Applications

  • Mil Mi-2

    • Specifications

    Data from Klimov and Gunston.

    General characteristics

  • Type: Turboshaft
  • Length: 1,350 mm (4.429 ft)
  • Diameter: 522 mm (1.713 ft)
  • Dry weight: 135 kg (298 lb)

    • Components

  • Compressor: Seven-stage axial flow plus single-stage centrifugal
  • Combustors: Single-chamber reverse flow
  • Turbine: Single-stage compressor turbine, two-stage power turbine

    • Performance

  • Maximum power output: 400 hp (298 kW)
  • Overall pressure ratio: 6.05:1 at 45,000 rpm
  • Air mass flow: 2.19 kg/s (4.82 lb/s)
  • Specific fuel consumption: 365 g/hp/hr
  • Power-to-weight ratio: 2.2 kW/kg (1.34 hp/lb)

    • References

    Klimov GTD-350 Wikipedia
    (Text) CC BY-SA