Leisure · Education · Aviation
by Bobby Doss, Wally Mulhearn
Behind the Prop is the Podcast for anyone involved in aviation from general aviation to professional pilots. Our hosts Bobby Doss is the owner of a flight school in Houston, Texas, and Wally Mulhearn is a pilot for a major airline and is also a designated pilot examiner (DPE) based in Houston, Texas. Weekly they tell stories, share lessons and tips from behind the prop. Together they have over 24,400 hours of flight time (Wally has over 24,000 of those) and collectively they provide very unique perspectives on general aviation, airplanes, and all things aviation.
Behind the Prop episode E204 tackles a specific, practical question that pilots encounter: what does the blue knob (RPM selector) in constant speed propeller systems actually do? Hosts Bobby Doss and Wally Mulhearn explain that this knob functions as an RPM selector that acts like a transmission, automatically…
Worth it if you fly or train in constant speed propeller aircraft and want to move beyond surface-level understanding to genuine operational competence.
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