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Main Boards => PowWow => Topic started by: South Fork on October 08, 2015, 10:50:00 PM

Title: Arrow Spine
Post by: South Fork on October 08, 2015, 10:50:00 PM
I just received my new string today and rushed out to find the knocking position I liked best with my un-fletched arrow. Well I found my knock point, but now my arrow is drastically underspined... Arrow knock is way left. So I guess I need to add some serious weight up front.

Do y'all just go up in 25 gram increments till one works or is there a general rule?

Also in my research I came across someone talking about the fact that a properly spines arrow will not receive marks on the arrow rest or feathers as it should bend around the riser... Is this true? Because I definitely have some wear in those areas.

Tha ks
Title: Re: Arrow Spine
Post by: on October 08, 2015, 11:19:00 PM
If your arrow is underspined (weak), adding tip weight will only make it weaker!

If it is underspined, you will need to go to a lighter tip weight, or make the shaft shorter.

Bisch
Title: Re: Arrow Spine
Post by: John3 on October 08, 2015, 11:40:00 PM
If your right handed and the arrow (I assume your testing with bare shafts) is flying nock left this is a weak or underspined arrow.  Cut it shorter or try again with a stiffer shaft..

Right handed shooter---

Nock left= weak (cut shaft shorter or lighter point or increase brace height of the bow)

Nock right=stiff (add weight up front or longer shaft)
Title: Re: Arrow Spine
Post by: Wheels2 on October 09, 2015, 01:32:00 PM
You can also move the rest out away from the bow.
Title: Re: Arrow Spine
Post by: The Whittler on October 09, 2015, 08:32:00 PM
A little more info would help like LB or recurve, weight at 28", what your DL is, and what arrows are you shooting.
Title: Re: Arrow Spine
Post by: AZ_Longbow on October 09, 2015, 09:02:00 PM
or add weight to the back of your arrows.
flying knock left or in the target knock left?