The Boeing T50 (company designation Model 502) was a small

turboshaft A turboshaft engine is a form of gas turbine that is optimized to produce shaftpower rather than jet thrust. In concept, turboshaft engines are very similar to turbojets, with additional turbine expansion to extract heat energy from the exhaust ...

engine produced by

Boeing The Boeing Company () is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, telecommunications equipment, and missiles worldwide. The company also provides leasing and p ...

. Based on Boeing's earlier Model 500 gas generator, the T50's main application was in the QH-50 DASH helicopter drone of the 1950s. An up-rated version designated Model 550 was developed to power the QH-50D and was given the military designation T50-BO-12.

Variants

;T50-BO-1: ;T50-BO-2: ;T50-BO-4: at 6,000 output rpm, military rating turboprop. ;T50-BO-6: ;T50-BO-8: at 5,950 output rpm, revised reduction gear ratio, fuelsystem and other changes. ;T50-BO-8A: ;T50-BO-10: at 6,000 output rpm ;T50-BO-12: ;502-1-1:Auiliary power unit ;502-2E:Turboprop, at 2,900 output rpm max. continuous at sea level. ;502-7B:Compressed air generator. ;502-8A:Turboshaft. ;502-8B:Turboprop, at 37,500 compressor rpm for take-off. ;502-10B:Turboprop, at 37,500 compressor rpm for take-off. ;502-10C:Turboshaft power unit / gas producer ;502-10F: ;502-10V: (T50-BO-4) ;502-10VB: at 3,000 output rpm, variant of -10V / T50-B0-4 with revised reduction gear ratio. ;502-10VC: (T50-BO-8) ;502-11:Compressed air generator. ;502-11B: ;502-12B: ;502-W ;502-14: (T50-BO-10) ;550-1: (T50-BO-12)

Applications

;T50 (Model 502) *

Gyrodyne QH-50 DASH The Gyrodyne QH-50 DASH (''Drone Anti-Submarine Helicopter'') is a small drone helicopter built by Gyrodyne Company of America for use as a long-range anti-submarine weapon on ships that would otherwise be too small to operate a full-sized hel ...

Kaman K-225 The Kaman K-225 is an American experimental helicopter developed by Kaman Aircraft. One example was modified to become the world's first gas turbine-powered helicopter. Design and development The K-125 was Charles Kaman's first helicopter, whi ...

* Kaman HTK-1 *

Kaman K-1125 The Kaman K-1125 was a prototype American 12-passenger civil transport helicopter developed by Kaman Aircraft. Development In August 1962, Kaman Aircraft first flew a prototype civil transport helicopter. It used components of the earlier Kama ...

* XL-19B Bird Dog *

Radioplane RP-77D The Radioplane RP-77 was a small target drone missile, constructed largely of plastic materials, produced by the Radioplane division of the Northrop Corporation. Although the RP-77D was successfully tested by the United States Army, the decision ...

;GT502 * Stridsvagn 103

Specifications (T50-BO-10 / 502-14)

References

Notes

Bibliography

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External links

Boeing Model 502 Gas Turbine Engine

'' "Jet Sheds Weigh" '', September 1947, Popular Science
article at bottom of page on earlier Model 500 {{USAF gas turbine engines 1950s turboshaft engines