This maneuver is useful for reversing the model aircraft's direction and leaving it's speed and altitude pretty much unchanged on completion. It looks pretty as well if properly executed.

Pull in up elevator as if starting a loop with half throttle. When the model is vertical, release the elevator and completely cut the throttle, keeping the model heading straight up. It will soon run out of speed. When it stops, immediately input full left or right rudder and add a short burst of throttle. The model should then pivot about it's centre of gravity. When pointing vertically downwards, add some throttle and pull in up elevator to pull out in a quarter loop - following the route the model took on the way up. The important thing with a stall turn is to make sure the the model is stopped at it's highest point and that it pivots about it's centre and not the wing tip. The model should follow a 'return' path which is identical to the upward route.

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