turboshaft

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turboshaft

[′tər·bō‚shaft]
(mechanical engineering)
A gas turbine engine that is similar to a turboprop but operates through a transmission system to power a device such as a helicopter rotor or pump.
References in periodicals archive ?
The company was taken over by Boeing in 2004, and the A160T with a 426-kW Pratt & Whitney Canada PW207D turboshaft flew in June 2007.
Bleeding engines to supply a conventional ASM-based inerting system can be particularly burdensome for aircraft powered by engines that have little or no bleed air available, such as turboshafts (helicopters), small turbofans (business jets and unmanned aerial vehicles), and turboprops (short-haul transports).
The Pratt & Whitney Canada PT6 is one of the world's most successful gas turbine engines, with over 33,500 units delivered as turboshafts or turboprops.
The 18,298 lb mtow AW189 is powered by a pair of General Electric CT7-2E1 turboshafts (2,000 shp), seats up to 19 passengers and has a greatest range of 490 nm.
As per the new upgrade, the Rolls-Royce Gem turboshafts will be replaced with more powerful LHTEC CTS800-4Ns providing a major performance improvement in hot and high conditions, providing gains in payload and combat radius.
Power comes from a pair of 2,000-shp, Fadec-controlled GE CT7-2E1 turboshafts.