What type of engine is the Allison 250?
turboshaft engine
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 developed by the Allison Engine Company in the early 1960s….Allison Model 250.
| Model 250 / T63 | |
|---|---|
| Number built | >30,000 |
| Variants | Rolls-Royce RR300 |
| Developed into | Rolls-Royce RR500 |
Where and what is the Allison 250 engine used?
The Rolls-Royce (Allison) Series III 250-C28 engine is used in Bell 206L-1 LongRangers and MBB Bo-105LS helicopters. Bell 206L-1 operators should consider upgrading from the stock 250-C28B engine to the more powerful 250-C30P. Air Services has an STC that allows for this conversion.
Where are Allison engines made?
The Allison Engine Company was an American aircraft engine manufacturer. Shortly after the death of James Allison in 1929 the company was purchased by the Fisher brothers….Allison Engine Company.
| Type | Division |
|---|---|
| Headquarters | Indianapolis, Indiana , United States |
| Parent | General Motors (1929–1995) |
When did GM stop using the Allison Transmission?
Allison Transmission was spun off into its own company in 2007, when General Motor sold the company. The company built the 6-speed automatic transmission at the GM plant in Baltimore. This plant is said to be closing in April of 2019.
Does Rolls-Royce own Allison?
British jet engine maker Rolls-Royce will buy competitor Allison Engine Co. for $525 million, the companies announced Monday. The purchase will allow Rolls-Royce to provide engines to half the markets for military aircraft in the Western World, said John W. Sandford, managing director of Rolls’ aerospace group.
When did GM sell Allison Engine?
Shortly after the death of James Allison in 1929 the company was purchased by the Fisher brothers. Fisher sold the company to General Motors, which owned it for most of its history….Allison Engine Company.
| Type | Division |
|---|---|
| Headquarters | Indianapolis, Indiana , United States |
| Parent | General Motors (1929–1995) |
What uses a turboshaft engine?
Turboshaft engines are commonly used in applications that require a sustained high power output, high reliability, small size, and light weight. These include helicopters, auxiliary power units, boats and ships, tanks, hovercraft, and stationary equipment.
What is the purpose of a turboshaft engine?
A turboshaft engine is a variant of a jet engine that has been optimised to produce shaft power to drive machinery instead of producing thrust. Turboshaft engines are most commonly used in applications that require a small, but powerful, light weight engine, inclusive of helicopters and auxiliary power units.