Cowl flaps help manage engine temperatures—but using them at the wrong time can cost you performance. Knowing when to open and close cowl flaps is a simple habit that improves cooling, reduces drag, and protects your engine. In this Tuesday Tip with Tom, Tom Turner explains how cowl flaps work and shares practical rules of thumb for using them in Bonanzas, Barons, and Debonairs. You’ll learn: ❄️ Why open cowl flaps improve engine and oil cooling at low airspeeds ✈️ How cooling drag can reduce cr
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