RC Aerobatics: Negative Snap from an Inverted Climb
For this maneuver, the pilot enters from inverted flight and pushes to establish a 45-degree climb then he performs 1½ negative snaps. After the snap, another line segment (equal to the first line) is then executed. Once the maneuver is complete, the pilot must pull 135 degrees to exit in inverted straight and level flight. […]