Allison Engine Company

The Allison Engine Company was founded by James Ashbury Allison American aircraft engine manufacturer based in Indianapolis. He emerged from the James Allison founded Indianapolis Speedway on September 14, 1915 Team Company. The company was acquired by Rolls- Royce in 1995 and has since been trading as Rolls- Royce Corporation, which is the main component of Rolls- Royce North America.

Allison began as a vehicle tuner at Indianapolis Motor Speedway in Indianapolis. In the sales order Allison made ​​engine parts, of the findings of the requirements for aircraft engines led Allison to revise Liberty engines from the First World War. The company's founders designed a V- 12 engine with overhead camshafts, but died in 1929., The company was sold to Fisher Body and was awarded the contract, V -12 to develop a "half" a six-cylinder in-line engine. The company was then to General motor resold. NH Gilman, the business leaders continued to work on both projects. the work on both the V- 12 and the 6- cylinder rested largely during the Great Depression. Gilman developed a V -12 engine with configured 551 kW ( 750 hp) and offered it to the U.S. Navy at. these interested in the engine for their airships until 1935, the USS Macon ( ZRS -5) crashed last big airship in the U.S. Navy.

At this time it was already clear that with the engine now Allison V -1710 mentioned a competitive product was emerging. The U.S. Army ordered a V- 1710C -called design. The development works were financed largely by Allison. On December 14, 1936, the new engine was launched in a Consolidated A- 11A for its maiden flight. On April 23, 1937, the now 736 kW (1000 hp) engine received a Type Certificate (Type Certificate). It was used in the Lockheed P-38, Bell P -39, Curtiss P- 40 and the North American P -51.

After the war ended in 1945 began with the manufacture of jet engines. The first model was the Allison J33 with radial compressor. A little later, the company introduced the Allison J35 ago with axial compressor. With the Allison T38 Allison T54 and one rose in the market of PTL engines a ( Turboprop ). Modern types are the Allison AE1107, AE2100 and AE Allison 3007th

Allison Transmission

In 1945, General Motors commercial vehicle transmission manufacturers Allison Transmission.