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Blog posts of '2021' 'May'

New To High FOC Arrows

High FOC Arrow Builds - Helpful or Hype? Increasing the FOC (Forward-of-Center) of your arrow and broadhead build is one of the easiest ways to see an instant improvement in your arrow's efficiencies of both flight and penetration.

Don't fear bone hits - with an Ashby-inspired arrow and ...

Forward of Center (FOC) Calculator

The AMO-Standard F.O.C. balance formula is: %FOC = (100x(A-L/2))/L

For those of you who prefer to calculate your FOC the old way with a calculator, this is for you:

A = Balance point as measured from the throat of the nock to the point of balance.
L = Total arrow length as measured from...

Tissue Resistance to Arrow Penetration

Fact: The greater your arrow speed, the greater the resistance to penetration.

Speed in and of itself isn’t bad. Opting for speed at all costs, well, comes at a cost. Here’s one of them. When any object moves through another the object being moved through resists the forward momentum ...

New SCI #2 Jumbo?

**A Jumbo-Jumbo** • "You are probably not going to believe my story but I am going to tell you anyway. Evan Sloan from Choronga Safaris brought one of his clients to hunt with us in Zambia. His client has never hunted with a bow before and decided that to make it challenging he wanted his firs...

The Power of Momentum

Bowhunting Fact: KE is an extremely weak predictor of arrow penetration. This video demonstrates why Momentum, Mass and FOC are quantifiable predictors of penetration at arrow impact.


The Power of Momentum - most bowhunters use Kinetic Energy to determine whether their arrows will hav...