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]
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The AllisonT56 is an American single-shaft, modular design military turboprop with a 14-stage axial flow compressor driven by a four-stage turbine. It...
The AllisonT56 turboprop engine has been developed extensively throughout its production run, the many variants are described by the manufacturer as...
T56 or T-56 may refer to: AllisonT56, a turboprop aircraft engine Borg-Warner T-56 transmission, an automotive transmission Cooper T56, a British racing...
late 1940s. The T38 became the basis for the very successful family of AllisonT56 turboprop engine. Developed as a stand-alone single section of the T40...
T40, but this work was soon overtaken by the AllisonT56 / Allison 501-D and development was cancelled. T56 (Model 501-D) Successful development of the...
engines based on the T56 configuration was developed, culminating in the T406/Allison AE1107 turboshaft for the V-22 Osprey, the Allison AE2100 turboprop...
1954–present AllisonT56 "501-D" (also produced by Rolls-Royce) 1954–present AllisonT56 "501-D" (also produced by Rolls-Royce) 1960s–present Allison 250 (also...
turboprop and turbojet power. The technology of Allison's earlier T38 design evolved into the AllisonT56, used to power the Lockheed Electra airliner,...
The Allison Model 250, now known as the Rolls-Royce M250, (US military designations T63 and T703) is a highly successful turboshaft engine family, originally...
with the Starliner's wings for the US Navy. It would have included four AllisonT56-A8 engines and missiles for protection against attackers. Considerably...
Related development Lycoming T53 Lycoming ALF502 Comparable engines AllisonT56 Bristol Proteus Napier Eland Rolls-Royce Tyne Related lists List of aircraft...
appearance to the AllisonT56 but with a split compressor section instead of a single stage. The T61 improved on the power-to-weight ratio of the T56 by 30%. The...
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