Pratt & Whitney Canada PT6A-66B Turboprop Engines
The Avanti II's "new" 850-shp Pratt & Whitney Canada PT6A-66B engines have higher temperature margins and 8 to 13 percent more high-altitude power output than the -66 engines they replace. They are able to produce takeoff power to ISA+49°C, a 7°C improvement over the predecessor engines that powered...
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