Operating Oversquare

Wednesday, November 7, 2018 from 8:00 PM - 9:30 PM CST

Presenter: Mike Busch 

Many pilots of constant speed prop airplanes have been cautioned by their CFIs never to operate oversquare — with manifold pressure (in inches) above rpm (divided by 100) — in order to avoid overstressing and damaging the engine. This is dead wrong according to engine guru Mike Busch, who demonstrates that oversquare is approved by both Continental and Lycoming, and shows why it's precisely how these engines should be operated for maximum efficiency and longevity. Qualifies for FAA Wings and AMT credit. 

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