Now I know of two boats that the ball came off during stepping, yours, and the Kreugers' Tiger. Never seen that happen with a 20. Wonder if someone used a H20 ball and your boat? That's what Dan and I suspected on his Tiger. And why would this happen on a boat so (relatively) new? Anyone else have the ball pop off on their Tiger?
I've had the ball pop off on my Tiger (MWE 2 years ago). Ball went 25 feet in the air while the back end of the mast "boing-ed" off the ground. No damage, other than pride.
There was a bad batch of balls that came out of Hobie Europe. Hobie USA is making their own balls now.
There a joke here, but I'm not going to touch it. <img src="http://www.catsailor.com/forums/images/graemlins/tongue.gif" alt="" />