RE: Does Kinetic Energy = Penetration?
Bob,
KE is a value of the amount of energy the arrow is carrying out of the bow. That value deminishes as the arrow goes down range as the energy of the shot bleeds off and the arrow slows. I don't agree that a field point won't penetrate as well on the same arrow because it has less drag than when the broadhead is attached. There are a number of considerations that will effect penetration, here are some:
1. Broadhead design, ie. cut to the tip vs. a chisel point.
2. Cutting diameter of the broadhead, more diameter more drag.
3. The diameter of the arrowshaft, smaller shafts penetrate better due to less drag.
4. The weight of the arrow, a heavier arrow carries more KE.
5. The velocity of the arrow (important factor in the KE equation).
6. Shot placement on the animal.
7. The sharpness of the blades of the broadhead.
Aim Hard!
Edited by - FLHunter on 08/14/2002 08:32:41