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Author Topic: FOC  (Read 430 times)

Offline Ravenhood

  • Trad Bowhunter
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  • Posts: 143
FOC
« on: August 30, 2010, 01:25:00 PM »
I lost my formula to find FOC, anyone have it?

Offline amicus

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  • Posts: 1034
Re: FOC
« Reply #1 on: August 30, 2010, 01:38:00 PM »
I think theres one in the "how to" section.

Gilbert
The blessing of the Lord, it maketh rich and He addeth no sorrow with it. Prov 10;22

A sinner saved by Grace.

Offline Ravenhood

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  • Posts: 143
Re: FOC
« Reply #2 on: August 30, 2010, 01:39:00 PM »
Thank you , Gilbert

Offline cbCrow

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  • Posts: 960
Re: FOC
« Reply #3 on: August 30, 2010, 01:40:00 PM »
here you go;
(balance point length(from nock grove) -  mid point of arrow)/OAL=Foc

Ex. bpl=17  oal=28"

(17-28/2)/28=foc
(17-14)/28"=foc
3/28=10.72 foc(in percent)

Offline Ravenhood

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  • Posts: 143
Re: FOC
« Reply #4 on: August 30, 2010, 01:48:00 PM »
Thank you cbCrow.

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