Antique & Classic Aircraft

Bushplanes, Utility & Helicopters

Engines – Piston

Model Aviation and Drones

Recreational Aircraft Association




Turboprop Engine

A Turboprop Engine is a turbine designed engine that drives an airplane propeller or in the case for helicopters a Turboshaft Engine. The turboprop design consists of an intake duct / propeller / propeller reduction gearbox / compressor / combustor(s) / turbine stage(s) to drive the compressor / power stage(s) / exhaust nozzle. The exhaust nozzle exit gases are not sufficient to provide enough direct thrust, since almost all of the engine’s power is needed to drive the propeller.

In the following Gallery, you will see images of the Super King Airplane equipped with twin turboprop engines. This design developed from an original piston-engine airplane from Beechcraft Corp. In the 1960s, Pratt & Whitney Canada (PWC) re-equipped this airframe with their PT6 Turboprop and Beechcraft was so impressed with such an amazing performance increase, that they put the King Air series in production with the “new” engine which remains to this day. [ More ]

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