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#10
04-29-23, 08:59 AM
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TBM uses 45 ~ 70 GPH per hour, depending on the performance profiles... 280K ~ 320K;
Call that what?
300 knots on 60 gph? Around 5 mpg Not significantly much more fuel than a 337! Its not GPH but MPG that counts. Oh yes, and overhaul, maintenance and insurance. A C172 only uses 10 gph to go what, 105 knots? So maybe 10 mpg. -- I have a friend who prattles on about Mooney fuel efficiency. I have told him, "It is not polite to discuss fuel efficiency in the presence of twin owners..."
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David Wartofsky Potomac Airfield 10300 Glen Way Fort Washington, MD 20744 
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