Arrow Spine

[cody]

#3050

Ok so I’ve been reading a lot of post on here about spine. I shoot a predator 54# @ 28 inches. I’m about to try wood shafts. I thought I should shoot 50-55# spine. I know there are tons of factors that contribute to it but…..what would be a good starting point. I read some people using 5-10 lbs heaver. Im sure it comes down the just tinkering with it but so far the shooters and members of the forum have helped me a lot so far and i expect someone can give me a good starting point. Thanks for all the help

[George D. Stout]

#15971

Cody, if you can try some different spines, that would be best. The Predator is a very good performing recurve, cut past center and probably has a low stretch string. That being the case, ten pounds heavier than bow weight may be a good start. Dacron string with that bow and you can add about five pounds to the spine…60/65’ish.

Fact: You need to try several and see what works best with both field points and the broadheads you intend to use…the tip weight will make a big difference as well….more tip weight, more spine needed.

[cody]

#16954

Hey thanks for the info George. I wasen’t aware that you needed to go over bow weight with spine. Geez I’m such a newbie. Since I didn’t know as much as I thought I did (usually the case) I have another question. I had some older arrows that I got from a friend. I got them just cause I liked them have no idea what spine they are. I cleaned them and refinished them and fletched them. I shot one and it went about two feet left at under 20 yards. I assumed that the spine was way too stiff for my bow. Am I right?

[regansm]

#24843

Cody,

Typically if the arrow hits left of target it is due to a spine that is too stiff. Although fistmele (brace height) can effect that as well. In your case since it missed so far left, my guess is the culprit is spine. I shoot a 52 pound longbow and use 60-65 spine arrows with 145 – 160 grain points. Also, if shooting wood, make sure the shafts are straight. A significantly bowed shaft can cause irratic flight.

Shawn

[cody]

#30436

Hey thanks for the info Shawn. I greatly appreciate any help

[Author]

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