General Electric T64
| T64 | |
|---|---|
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| Cutaway of a T64-IHI-10E (in turboprop configuration) | |
| Type | Turboshaft |
| National origin | United States |
| Manufacturer | GE Aviation |
| First run | (T64-GE-2) March 1959 |
| Major applications | Lockheed AH-56 Cheyenne Alenia G.222 de Havilland Canada DHC-5 Buffalo Sikorsky CH-53 Sea Stallion Sikorsky CH-53E Super Stallion |
The General Electric T64 is a free-turbine turboshaft engine that was originally developed for use on helicopters, but which was later used on fixed-wing aircraft as well. General Electric introduced the engine in 1964. The original engine design included technical innovations such as corrosion resistant and high-temperature coatings.[1] The engine features a high overall pressure ratio, yielding a low specific fuel consumption for its time.[2] Although the compressor is all-axial, like the earlier General Electric T58, the power turbine shaft is coaxial with the HP shaft and delivers power to the front of the engine, not rearwards. Fourteen compressor stages are required to deliver the required overall pressure ratio. Compressor handling is facilitated by 4 rows of variable stators. Unlike the T58, the power turbine has 2 stages.
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The engine was designed to accommodate different gearboxes or shaft drives, for helicopter or turboprop fixed-wing applications. The engine could be operated continuously at angles between 100 degrees upward and 45 degrees downward for STOL or helicopter applications.[4]
Variants
Data from: Vectorsite;Sikorsky Giant Helicopters[5] Template:Collist
Applications
Specifications (T64-GE-100)
Data from Gas Turbine Engines[6]
General characteristics
- Type: Turboshaft engine
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- Dry weight: Script error: No such module "convert".
Components
- Compressor: Axial, 14 stage HP compressor
- Combustors: Annular
- Turbine: Axial, 2 stage HP turbine, 2 stage PT turbine
- Fuel type: Aviation kerosene
- Oil system: Pressure spray / splash
Performance
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- Max Continuous Power: Template:Cvt[7]
- Overall pressure ratio: 14.9:1
- Turbine inlet temperature: Script error: No such module "convert".(-1), Script error: No such module "convert".(-413), Script error: No such module "convert".(-415)[8]
- Specific fuel consumption: Script error: No such module "convert".
- Power-to-weight ratio: Script error: No such module "convert".
See also
Script error: No such module "Portal". Comparable engines
Related lists
Notes
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- ↑ GE T64 page, GlobalSecurity.org, accessed October 29, 2007.
- ↑ Script error: No such module "Citation/CS1".
- ↑ T64 turboshaft page Template:Webarchive, GE Aviation, accessed October 29, 2007.
- ↑ Script error: No such module "Citation/CS1".
- ↑ Script error: No such module "citation/CS1".
- ↑ Gas Turbine Engines. Aviation Week & Space Technology Source Book 2009. p. 118.
- ↑ https://www.mtu.de/engines/military-aircraft-engines/helicopters/t64/
- ↑ Script error: No such module "citation/CS1".
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References
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External links
- GE Aviation T64 page
- GE Aviation Receives AHS Supplier Excellence Award (for T64 team) Template:Webarchive
Template:GE aeroengines Template:USAF gas turbine engines Template:USAF system codes