Honeywell HTF7000
From Wikipedia, the free encyclopedia
Type | Turbofan |
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National origin | United States |
Manufacturer | Honeywell Aerospace |
Major applications | Bombardier Challenger 300 Gulfstream G280 Embraer Legacy 500 Embraer Legacy 450 |
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The Honeywell HTF7000 is a turbofan engine produced by Honeywell Aerospace. Rated in the 6500-7500 lbf class, the HTF7000 is used on the Bombardier Challenger 300, and is planned for the new Gulfstream G280, Embraer Legacy 500 and Embraer Legacy 450.
The engine was originally designated the AS907 which was changed in 2004 to HTF7000, the AS907 designation is still used for legal and regulatory use.[1]
Variants
- HTF7000 / AS907
- The original variant of the engine. Developed for the Bombardier Challenger 300.
- AS977
- Higher thrust variant of the AS907, designed at the same time, intended to power BAE System's Avro RJX.[2] The aircraft was cancelled after 3 airframes were built and flown and subsequently this engine variant never entered full production.
- HTF7250G
- Variant developed for use on the Gulfstream G280[3]
- HTF7500E
- 7000 lbf (31 kN) variant developed for the Embraer Legacy 450 and the Embraer Legacy 500 business jets.[4]
Applications
Specifications (HTF7000)
Data from [citation needed]
General characteristics
- Type: Turbofan
- Length:
- Diameter: Fan: 34.2 in (0.87 m)
- Dry weight: 1,364 lb (618.7 kg)
Components
- Compressor: 1-stage fan, 4-stage axial IP compressor, 1-stage centrifugal HP compressor.
- Combustors: annular combustor
- Turbine: 2-stage HP turbine, and 3-stage LP turbine
- Fuel type: Aviation kerosene
- Oil system: pressure spray with scavenge and dry sump
Performance
- Maximum thrust: 6,500-7,500 lbf
- Overall pressure ratio: 28.2
- Bypass ratio: 4.4
- Turbine inlet temperature: Max continuous 1,702 °F (928 °C; 1,201 K), Take-off 1,735 °F (946 °C; 1,219 K)
- Power-to-weight ratio:
References
- ↑ Flight International 13 January 2004
- ↑ http://www.ainonline.com/?q=aviation-news/aviation-international-news/2008-04-23/honeywells-as907-gets-nod-production-begins
- ↑ Honeywell's New HTF7250G Turbofan Engine Family to Power New Gulfstream G250 Business...
- ↑ Norris, Guy (2010). Saber Sharpening. Aviation Week & Space Technology. 24 May 2010, pg. 38.
External links
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