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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.
A T56 on a mobile test unit at MCAS Futenma, 1982 T56-A-1 (Series I) A 1,600 lb weight (730 kg) engine delivering 3,460 shp (2,580 kW) and 725 lbf (329 kgf; 3.22 kN) residual jet thrust, which is equal to 3,750 equivalent shp (2,800 kW); single-shaft 14-stage axial flow compressor, cannular combustion chamber with 6-cylindrical through-flow combustion liners, 4-stage axial flow turbine; 13,800 ...
The engines were also sold for marine and stationary applications. In a 1938 reorganization, Winton Engine Corporation became the GM Cleveland Diesel Engine Division, and GM's Detroit Diesel Engine Division began production of smaller (50–149 cu in (0.8–2.4 L) per cylinder) diesel engines. Locomotive engines were moved under the GM Electro ...
A variant proposed in 1995 and paired with Dowty R394 propellers to retrofit the Allison T56-powered Lockheed C-130 models E through H and Lockheed L-100-30, at a price after engine/propeller trade-in of USD$11 million per aircraft.
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 Navy and Allison signed a formal contract on 2 May 1986, and the first engine to test ran six months after. [7] 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.
Allison T40 (Allison 500, 503) Allison T44; Allison T54; Allison T56 (501-D) Allison T61; Allison T63; Allison T71; Allison T78 [22] Allison T80; Allison T406 (AE1107) Allison T701 (Allison 501-M62) Allison T703 (Allison 250) Allison TF32; Allison TF41 (development of Rolls-Royce Spey) Allison GMA 200; Allison GMA 500; Allison AE3010; Allison ...
Pages in category "Allison aircraft engines" The following 18 pages are in this category, out of 18 total. ... Allison T56; Allison T56 variants; Allison TF41; V.