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#7
01-18-25, 12:53 PM
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Turbo waiting on taxiway. 100+, #8 million in line for takeoff
My one and only rear 'started to thermal runaway' was years ago at Hanscom AFB, when the place had 450+ based aircraft, was DEC helicopters' base, and a wild and wholly place to operate.
One Saturday I was number eight million in line for takeoff, 100+F on the taxiway. The rear engine started to get hotter and hotter. "Uh oh," I thought. I found the trick was to keep about 1,200 RPM or so on the front engine, to drive airflow into the top rear scoop, w flaps open. My turbo has the big juicy flaps and much more open space under the spinner too. Since then all fine, never an issue.
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David Wartofsky Potomac Airfield 10300 Glen Way Fort Washington, MD 20744 
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