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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.
One of Allison's most successful projects is the Model 250 turboshaft/turboprop engine family, which was started by the company in the early 1960s, when helicopters started to be powered by turbine, rather than reciprocating, engines. Allison turbine engines were used to power Bell 206 Jet Ranger and Long Ranger helicopters as well as the ...
The Allison T56 turboprop engine has been developed extensively throughout its production run, the many variants are described by the manufacturer as belonging to four main series groups. Initial civil variants (Series I) were designed and produced by the Allison Engine Company as the 501-D and powered the Lockheed C-130 Hercules .
Data from The Instrumentation Design And Control of a T63-A-700 Gas Turbine Engine General characteristics Type: Turboshaft Length: 40.5 in (1,029 mm) Diameter: 22.5 in (572 mm) Dry weight: 138.5 lb (63 kg) dry Components Compressor: 6-stage axial + 1-stage centrifugal compressors Combustors: Single can combustion chamber Turbine: 2-stage axial gas generator power turbine + 2-stage axial free ...
On July 11, 1989, Saab-Scania A.B. selected the GMA 2100 to power its new Saab 2000, a 50-seat stretch of the Saab 340 turboprop, in a US$500 million deal. [2] In July 1990, Industri Pesawat Terbang Nusantara (IPTN) of Indonesia picked the GMA 2100 as the engine for the twin-engine N-250 regional airliner. [3]
The T40 concept originated at Allison in 1944, where design studies were carried out on a 4,000 shp (2,983 kW) turboprop engine. Taking advantage of this effort, the US Navy awarded Allison a contract for the design and development of a 4,100 shp (3,057 kW) turboprop engine.
The T406 is based on the Allison T56 turboprop from the P-3 and the C-130, with the free power turbine of the Allison T701 turboshaft from the defunct Heavy Lift Helicopter program. It was selected over the Pratt & Whitney PW3000 and General Electric GE27 competing for the US Army's Modern Technology Demonstrator Engine program. [ 8 ]
The General Electric/Allison J35 was the United States Air Force's first axial-flow (straight-through airflow) compressor jet engine. Originally developed by General Electric (GE company designation TG-180 ) in parallel with the Whittle -based centrifugal-flow J33 , the J35 was a fairly simple turbojet , consisting of an eleven-stage axial-flow ...
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