OSHKOSH, Wis. — Brad Mottier, vice president and general manager of GE business and general aviation, says that challenging Pratt & Whitney Canada for its lead in the 1,800 to 2,000 thrust horsepower (thp) turboprop class can’t be done with the existing H80 series engines. The most powerful H80 series models are rated at 850 shaft horsepower (shp) to ISA+19C, so they only have temperature margins to be uprated at about 1,000 shp with no flat rating. Mottier says the H80 core ...
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