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Turboshaft Engines

Turboshaft Engines

  • A gas-turbine engine that delivers power through a shaft to operate something other than a propeller is referred to as a turboshaft engine.
  • The output shaft may be coupled directly to the engine turbine, or the shaft may driven by a turbine of its own (free turbine) located in the exhaust stream.
  • As mentioned with the turboprop, the free turbine rotates independently. This principle is used
  • extensively in current production of turboshaft engines.
  • The turboshaft engine’s output is measured in horsepower instead of thrust because the power output is a turning shaft.

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