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 How much will the extra weight affect arrow spine?

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Stykbow1



Posts : 5
Points : 7
Join date : 2012-09-14

PostSubject: How much will the extra weight affect arrow spine?   Sat Dec 22, 2012 11:15 pm

Hi All,

Been doing some paper tuning and bare shaft testing and was wondering how much will the heavier weight in the back of the shaft increase spine? Between my FOB with Battle wrap, arrow wrap, and Nockturnal lighted nock I have about 50 grains in the back of the arrow. I'm shooting 29" Flatline 340 shafts out of my 60 lb Bowtech Destroyer 340 and total arrow weight is 398.2 including Rage 2 blade 100 grain broadhead up front. After entering my info in the GT FOC calculator it's showing I have a FOC of 8.38% with this arrow setup and some have suggested that I go for a heavier broadhead up front to counter the heavier weight in the rear. Has anyone experimented with the point weight after going to FOB's?

Thanks, Roger
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