That is one thing that I really like about the carbon fiber seats that are molded over the top of both the front and back spar. The seat would have to totally break down for that sort of thing to happen. Several of the builders have made them, one example is at:
http://krbuilder.org/seats/index.html See N64KR at http://KRBuilder.org - Then click on the pics See you at the 2007 - KR Gathering There is a time for building and a time for FLYING and the time for Flying has begun. Daniel R. Heath - Lexington, SC