Really? Show me one old reference where someone even spoke of using an arrow with an FOC of 30%, much less giving data showing superior penetration in animals when using it. Show me one instance of anyone proving that a single edge broadhead penetrated better, before he did. Show me one old study that demonstrated that KE was not a factor in penetration. Show me one instance in the old days where someone showed that the bone-breaking threshold of an arrow is around 650 grains. Show me one old study that proves some wooden arrows to be stronger than either aluminums or carbons. There not only weren't any lethality studies on animals, they was no one talking about this stuff. I wasn't referring to an aluminum with a 200 grain broadhead.

Undoubtedly, there were a few guys who realized that speed was not important and that heavy arrows were very effective, but Ashby's studies go way beyond that. The other guys weren't studying it or teaching it. Nobody was 37 years ago when I started big game hunting with a bow. Nobody was 29 years ago when I shot my first aluminum arrow. Nobody was 27 years ago when I got my first compound. Nobody was 15 years ago when I had fallen into the speed trap of trying to get my arrows to go as fast as possible. Ashby's stuff is as "new school" as it gets.

Put together an arrow designed using Ashby's principles and shoot it out of a forgiving bow and you have one heck of a forgiving weapon. Add in a lot of practice with good form and you have a potent big game killing combo. Like Arthur said, masses of bowhunters won't practice and learn enough to make sure their bows and arrows are tuned properly, so why not at least encourage them to shoot forgiving setups. Speed bows with speed arrows are difficult for the best of us to master. None of us have perfect form and most of us fail to some degree when under the pressure of shooting at a big game animal. Casual bowhunters are much worse.