Allison T56
American-built military turboprop (1954–) / From Wikipedia, the free encyclopedia
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The Allison T56 is an American single-shaft, modular design military turboprop with a 14-stage axial flow compressor driven by a four-stage turbine. It was originally developed by the Allison Engine Company for the Lockheed C-130 Hercules transport[3] entering production in 1954. It has been a Rolls-Royce product since 1995 when Allison was acquired by Rolls-Royce. The commercial version is designated 501-D. Over 18,000 engines have been produced since 1954, logging over 200 million flying hours.[4]
Quick Facts T56 / Model 501, Type ...
T56 / Model 501 | |
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A T56 mounted on a U.S. Air Force C-130 Hercules receives maintenance. | |
Type | Turboprop |
National origin | United States |
Manufacturer | Allison Engine Company Rolls-Royce plc |
Major applications | Convair 580 Grumman C-2 Greyhound Lockheed C-130 Hercules Lockheed L-188 Electra Lockheed P-3 Orion Northrop Grumman E-2 Hawkeye Lockheed CP-140 Aurora[1] |
Number built | >18,000[2] |
Developed from | Allison T38 |
Developed into | Rolls-Royce T406 |
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