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News

New engine architecture provides for power growth and improved fuel burn

Honeywell Specialty Materials : 23 April, 2006  (New Product)
Honeywell announced today that its HTS900 Turboshaft Engine Model has been fitted with a new dual-centrifugal compressor architecture, which provides increased thermodynamic power capability, reduced fuel consumption and allows for future engine growth within the same engine footprint.
Honeywell announced today that its HTS900 Turboshaft Engine Model has been fitted with a new dual-centrifugal compressor architecture, which provides increased thermodynamic power capability, reduced fuel consumption and allows for future engine growth within the same engine footprint.

Federal Aviation Administration engine certification is expected in the first half of 2007.

The new dual-centrifugal compressor enables increased engine power output within the same envelope to allow the engine to fit within a variety of new and existing aircraft. The dual-centrifugal compressor is more durable and resistant to foreign object damage and erosion than other typical turbine engine compressors, and, with the new technology, reduces cost of operation for users.

The HTS900 engine has been selected to power the Bell 417 helicopter that will be used by the U.S. Army to fulfill its Armed Reconnaissance Helicopter mission. In addition to the new, dual-centrifugal compressor, the engine incorporates a new case-tied gas producer shroud that maintains tight clearances regardless of gas temperature. Both components were derived from Honeywell's T800 engine program and the joint U.S. Army/Honeywell-funded Small Heavy Fuel Engine demonstrator program.

'With more shaft horsepower capability, the HTS900's compressor and turbine components will have the same Service Life Limits, 15,000 cycles, previously defined by Honeywell,' said Doug Kult, Sales Director for Light/Utility Helicopters at Honeywell. 'The extensive service life designed into the HTS900's rotating components and its 'on condition' maintenance management will also provide operators with reduced direct maintenance and aircraft operating costs.'

At sea level standard day conditions, the new compressor technology of an uninstalled HTS900 increases the engine's takeoff power output to 970 shaft horsepower. With its dual-channel fully automated digital electronic control system and dual centrifugal compressor architecture, the HTS900 is extremely fuel efficient.
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