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Arrow FOC

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Category: Firearms, Bows, and Ammunition
Forum Name: Archery
Forum Description: Anything and everything to do with Archery
URL: http://www.opticstalk.com/forum_posts.asp?TID=46152
Printed Date: October/18/2021 at 12:00
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Topic: Arrow FOC
Posted By: Travis299
Subject: Arrow FOC
Date Posted: February/06/2020 at 15:26

FOC method that I use for my 20” BEEs (Note - FOC = Front of Center)

1. Total arrow length minus the BH/FP on my BEEs = 20.5” (nock to insert)

2. Balance point with BH/FP installed on my BEEs = 14.125” (nock to balance point)

3. Arrow mid point is 10.25” (1/2 length)

4. Difference between mid point and balance point = 3.875” (14.125” – 10.25”)

5. FOC is difference, 3.875” divided by total length minus the BH/FP 20.5” = .189024.

6. Convert to % by multiply .189024 x 100 = 18.9% FOC



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Semper Fi



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