Ashby Lethality Studies
The complete collection of works by Dr. Ed Ashby
on broadhead penetration and arrow lethality.
Penetration Enhancing Factors
2007 Updates - Part 8
Why Single-Bevel Broadheads?
Why Single-Bevel Broadheads
Getting an Edge on Success
Let's look at some facts about your broadhead's cutting edge and how it potentially affects your bowhunting success rate. Getting an Edge on Success
Papua New Guinea’s Bows and Arrows
Ultra FOC is not new to bowhunting. Papua New Guinea's Bows and Arrows
Heavy Bone Threshold Study
2008 Updates - Part 1
Comparison of EFOC Arrows with Commonly Used Arrows
2008 Updates - Part 2
Arrow Force and the Heavy Bone Threshold
2008 Updates - Part 3
Performance of an Ultra EFOC Arrow
2008 Updates - Part 4