ORLANDO - GE Honda announced a joint project with Sierra Industries, of Uvalde, Texas, to develop an engine retrofit program for the legacy Citation Jet platform using the recently certified HF120 engine. This new project, known as the Sapphire program can be applied to all CitationJet, CJ1 and CJ1+ models. The HF120 engine will provide the CitationJet with improved performance and enhanced productivity. The Sapphire retrofit plan would include FADEC engine management, and a comprehensive suite of upgrades to modernize these aircraft.
Rated at 2,095 pounds of thrust, (the FJ44-1AP has a 1,965lbst rating) the HF120 engine sets new standards of performance in fuel efficiency, durability, and low noise and emissions.
HF120 technologies include:
-- A wide-chord, compound, swept front fan blisk, along with composite outlet guide vanes.
-- A high-temperature titanium impeller in the compressor for maximum engine pressure ratio and stall-free performance.
-- A compact reverse-flow configuration combustor and single-stage air-blast fuel nozzles.
-- Advanced materials in the high-pressure (HP) turbine as well as a two-stage low-pressure (LP) turbine and a counter rotating HP and LP spool shaft system.
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