Ashby Lethality Studies
The complete collection of works by Dr. Ed Ashby
on broadhead penetration and arrow lethality.
Ultra EFOC vs Higher Mass Lower FOC
2008 Updates - Part 5
How Much Does Increasing FOC Affect Penetration?
2008 Updates - Part 6
Ultra-EFOC and Arrow Shaft Structure Integrity
2008 Updates - Part 7
Ashby Articles as run in Traditional Bowhunter Magazine
Read all the articles we have run on Arrow Lethality, Dr. Ashby's work and David Petersen's interviews of Dr. Ashby
Terminal Arrow Performance Update
2019 Update: Terminal Arrow Performance Update