Cirrus SR20 and SR22 aircraft feature a single "power lever" that combines throttle and propeller controls to simplify operation, reduce pilot workload, and protect the engine.
This system utilizes a mechanical cam that simultaneously adjusts both the engine throttle and the propeller governor via cables, automatically changing propeller pitch as the lever is moved.
The integrated control provides automatic propeller pitch adjustment to maintain specific RPMs within a narrower range, functioning similarly to a constant-speed prop without a separate control.
There’s something to be said for simplicity when teaching people to fly or merely checking out in a new aircraft. Simplicity was Cirrus’ motivation behind this month’s feature, the combined throttle and propeller control that’s standard on both the Cirrus SR20 and SR22.
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