I think Rage has hit on a GREAT mechanical broadhead and I plan on trying them out of my wheel bow. I might try them out of my recurves if I could get the weight up to 250 gr. Rage only come in 100 gr and that won't produce enough kinetic energy using carbon arrows. I made that mistake once and it cost me the best buck of my life.

http://www.ragebroadheads.com/rage2blade.html