Trad Gang

Main Boards => PowWow => Topic started by: upatree on February 10, 2008, 08:43:00 PM

Title: How do you calculate FOC?
Post by: upatree on February 10, 2008, 08:43:00 PM
Is there a chart or website or is it a ancient Chinese secret?

 :help:
Title: Re: How do you calculate FOC?
Post by: **DONOTDELETE** on February 10, 2008, 09:00:00 PM
half the length mark it ( nock v to tip of point )Finished arrow find the balance point, mark it. length in between marks is you FOC..


theres a chart on here from Terry Green.. I have to find it.
Title: Re: How do you calculate FOC?
Post by: **DONOTDELETE** on February 10, 2008, 09:18:00 PM
http://www.tradgang.com/upload/terry/focchart_A.pdf
Title: Re: How do you calculate FOC?
Post by: Dan Worden on February 10, 2008, 09:47:00 PM
Uhmmm..... that chart isn't from terry.
Title: Re: How do you calculate FOC?
Post by: **DONOTDELETE** on February 10, 2008, 09:50:00 PM
I meant he posted it... didn't mean He made it... Sorry..
Title: Re: How do you calculate FOC?
Post by: upatree on February 10, 2008, 09:56:00 PM
Thanks guys!  That helps alot.
Title: Re: How do you calculate FOC?
Post by: richbear on February 10, 2008, 10:03:00 PM
Go to,  www.bowjackson.com (http://www.bowjackson.com)  it'll calculate it for you. Rich.