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the guy touting his 70 lb bow tossing more energy that a 100 lb recurve, is just silly to me... My bow CUTS the deer, it don't knock it over.... And my Cedar shafts are heavier and have more energy that your lightweight graphite.... Weight + speed = Energy.....
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My friend, the equation for energy (for guns and bows) is (speedXspeedXmass)/450240.
I GUARANTEE you that my 59 pound draw weight Hoyt Katera produces more kinetic energy than most 100 pound recurves.
Tell me how fast your arrows are going and how much they weigh. Mine are 369gr and traveling 264fps, in other words, I make 57 ft/lbs of kinetic energy, a near 1:1 ratio to draw weight. Most recurves are lucky to make a 1:2 ratio. Some of the newest bows from Mathews and Hoyt (among others) are producing nearly 50% more KE than draw weight. In other words, approaching 100 lbs of KE from an 70-80 lbs draw weight bow.