FYI, Adam recently reported chronograph test results with this bow. With a 223.3 grain arrow (same weight as used for his 790m shot), he recorded 404 fps with a Dacron string, and 436 fps with a fast-flite string. The bow stores about 160 ft-lb of energy in the draw, so efficiency is approaching 60% for the fast flight string. A top notch linen string would fall somewhere between the performance of the Dacron string and fast flite string. That is really moving for a natural materials bow!
Even more impressive is that the bow has survived numerous test shots without blowing up.
Alan