As you become more proficient in your aerobatic ability, you will naturally begin to combine elements of different maneuvers into a single aerobatic maneuver or sequence. One such maneuver is the Cobra Roll with a Half-Roll Up and a Positive Snap Down. For new and experienced aerobatic pilots alike, this figure is demanding. It not only combines different orientations of the aircraft with upright and inverted flight but also requires you to focus on flying a triangular shape while performing a half-roll within the first half of the maneuver and a positive snap roll on the second.
It is beneficial to start with the control surface deflection amounts, exponential settings, and the center of gravity recommended by the aircraft manufacturer. To precisely perform the maneuver, two control surface deflection rates are recommended… 
Text by John Glevellis.
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