For you guys trying to figure out how to do waterfalls with your Twist, I have an elevator to aileron mix set up in my radio (ailerons set up as flaperons) so my ailerons move in the opposite direction of the elevator when on high rates. My Twist will do a forward loop all the way around and pull into a hover without losing hardly any altitude. Forward loops at 12 to 15 feet don't come close to the ground at all. Give it a try - you won't believe the added maneuverability.

Pulling off waterfalls is then just a matter of throttle management to get it to look good.