BINGO!!!!!!!!!!!

Now just think what is possible by updating the non-structural hull concept using maybe a carbon fibre spaceframe, developing the foils, maybe low pressure thermoplastic hulls to modify the hull shape.
It's just a little bit of thinking 'out of the box' many people seem stuck in.

http://www.msogphotosite.com/MSOG/pdfpage/catapult.pdf

Cheshirecatman