TheBoeing T50 (company designationModel 502) was a smallturboshaft engine produced byBoeing. It was the first turboshaft engine to ever power a helicopter: a modifiedKaman K-225 in 1951.[1] Based on Boeing's earlierModel 500 gas generator, the T50's main application was in theQH-50 DASH helicopter drone of the 1950s. An up-rated version designatedModel 550 was developed to power the QH-50D and was given the military designationT50-BO-12.
Two T50 were tested on a HTK-1 (Kaman HH-43 Huskie) in the 1950s, which was the first test of twin turbine engine on a helicopter.[2]
Taylor, John W.R. FRHistS. ARAeS (1962).Jane's All the World's Aircraft 1962-63. London: Sampson, Low, Marston & Co Ltd.
Gunston, Bill (2006).World Encyclopedia of Aero Engines, 5th Edition. Phoenix Mill, Gloucestershire, England, UK: Sutton Publishing Limited. p. 79.ISBN0-7509-4479-X.
Leyes II, Richard A.; William A. Fleming (1999).The History of North American Small Gas Turbine Aircraft Engines. Washington, DC: Smithsonian Institution.ISBN1-56347-332-1.
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