During training (of anyone) to do an intentional Split-S one of the things we caution pilots of is to be sure not to enter the maneuver at too high an airspeed. This is the most common error and once you're vertical on the downline you're committed to the maneuver so its imperative your speed is low enough going in, otherwise your exit speed and G force will be excessive. Even if your speed is slow low that you're about to stall you're better to lower the nose to gain enough speed to roll and avoid the stall rather than risk an overspeed, over G/stress of the aircraft.Big Pistons Forever wrote:So you as an aerobatic instructor are saying you can envision no circumstances ever occurring where "you", not a low time student, you the instructor might elect to pull through. The only possible reaction you will ever apply is to roll upright under every possible circumstance ?jodirueger wrote:Aerobatic Instructor here:
We teach students to "roll out never pull out". You'll lose less altitude that way and avoid risk of going beyond Vne or pulling full deflection beyond Va over-stressing the plane by exceeding G limits when pulling at high speeds.
Can I imagine a time when you would prefer to pull? If the seatbelt of the pilot was not properly secured and pulling to create a positive force would result in the pilot being planted in the seat firmly. Even then only enough pull so that the pilot could then roll level. It will still result in less altitude loss, G force and aircraft stress.
Hope that helps.
Edit: 90 degrees on a straight downline being the point of commitment - you are no longer inverted.
