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PW-Allison 578-DX Propfan: A Technical Description
47:38
YouTubeAEHS
PW-Allison 578-DX Propfan: A Technical Description
Video #6 in a series by The Aircraft Engine Historical Society channel (www.enginehistory.org). In 1989, the Pratt & Whitney-Allison 578-DX was the second American ultra-high bypass propfan demonstrator engine to fly on a MD-80 test aircraft. Unique to the 578-DX was the use of a reduction gearbox designed for 13,000 horsepower to drive the ...
19.5K viewsSep 1, 2024
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