Dr Ed's presentation discusses EFOC, what it does and how it is measured, along with some demonstrations on the effects of rear lever arms, shaft vibrations and their effect on penetration, and a number of technical discussions on how EFOC effects penetrations in this series of slides and videos.
But first is Dr Ed's presentation on BUILDING AND TUNING THE EFOC
ARROW that you will want to study if you are working up an EFOC or UEFOC
arrow. We placed it at the top as you probably will want to return and study
it for details a few times. However, in this first arrow building video, he
does reference some terms that he explains in more detail in the other
videos on this page.
Video 1 Building and Tuning the EFOC Arrow
2013 P&Y Series 1 thru 7 What EFOC does, how it is measured,
and its efffect on penetration and more...
Be sure to check the rest of the Ashby information listed on the left menu.
- Dr. Ed Ashby and his Broadhead Lethality Studies
- Ashby .pdf's
- Ashby Jan 2012 Kalamazoo, MI
- Ashby May 2013
- Game Animal Anatomy
- Education Links
- Archery Formulas
- Selecting the Bevel
- Edge Maintenance
- Tuning the EFOC &
- Arrows for Elk
- Fletchings & Footings
- Single Bevel Discussions and Opinions
Links of Interest
- Q&A Blog