DURA
We do that kind of stuff all the time with SPADs.. cheaper and with a lower wing loading. (for better aerobatics)
To demonstrate the durrability of a P-51 Mustang made from Coroplast...I took it full throttle knife edge over the runway and drug a wingtip. Didn't even have to replace the prop. [img]i/expressions/face-icon-small-happy.gif[/img] This plane will do rolls so fast you can't count them and will do about any maneuver in the book. (I haven't tried to hover it yet...)