Cirrus SR20 and SR22 aircraft feature a single "power lever" that combines both throttle and propeller controls for simplified operation and reduced pilot workload.
This system uses a mechanical cam to automatically adjust both engine throttle and propeller pitch through a governor, aiming to prevent engine damage from mismanagement.
While the propeller RPM is controllable, it operates within a narrower range than conventional systems, with the SR22 Turbo model having a fixed 2,500 rpm propeller.
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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