|TPE331 / T76|
|National origin||United States|
|Major applications||Fairchild Swearingen Metroliner
Rockwell Turbo Commander
The Garrett AiResearch TPE331 is a turboprop engine originally designed and manufactured by Garrett AiResearch, and produced by Honeywell Aerospace since 1999 after that company acquired Garrett. The TPE331 family includes 18 models and 106 configurations; the engines range from 575 to 1650 shaft horsepower. The military version is designated the T76.
Design and development
The TPE331 originated in 1961 as a gas turbine (the "331") to power helicopters. It first went into production in 1963. More than 700 had been shipped by the end of 1973. It was designed to be both a turboshaft (TSE331) and a turboprop (TPE331), but the turboshaft version never went into production; however, over 14,000 TPE331s have been sold since the first engine was produced in 1963, installed on the Aero Commander in 1964 and put into production on the Aero Commander Turbo Commander in June 1965.
- Aero/Rockwell Turbo Commander 680/690/840/960/1000
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Data from Canadian Museum of Flight.
- Type: Single-shaft turboprop with integral gearbox
- Length: 46 in (1168 mm),
- Diameter: 21 in (533 mm)
- Dry weight: 336 lb (153 kg)
- Maximum power output: 575 hp (429 kW)
- Power-to-weight ratio: 941/2000
- Related lists
^ These aircraft were fitted with TPE-331s as a modification to replace their original engines
- Product page Honeywell. Accessed: 29 August 2014.
- "Honeywell Aerospace TPE331 Spec Chart" Honeywell. Accessed: 29 August 2014.
- [dead link]
- "TPE331-14 Turboprop Engine" Honeywell. Accessed: 29 August 2014.
- William A. Schoneberger and Robert R. H. Scholl, Out of Thin Air: Garrett's First 50 Years, Phoenix: Garrett Corporation, 1985 (ISBN 0-9617029-0-7), pp. 174-5.
- Canadian Museum of Flight, "Garrett TPE331"
- Schoneberger and Scholl, p. 203.
- Leyes, p. 725
- Canadian Museum of Flight "Garrett TPE331"
- Gunston, Bill (2006). World Encyclopedia of Aero Engines, 5th Edition. Phoenix Mill, Gloucestershire, England, UK: Sutton Publishing Limited. ISBN 0-7509-4479-X.
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