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Old 04-12-2007 | 09:14 AM
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buckeye
Giant Nontypical
 
Joined: Aug 2003
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From: The OH-IO
Default RE: NEED SOME INFO ON ARROW SPINE
I'm shooting GoldTip XT Hunter 5575's, and their spine is .400. The chart on the GoldTip website says that for my set-up, 70#+100 grain+28.5" arrow, the recommended spine is .340.
Two questions. First, is the .06 spine difference significant? Second, and this one will sound stupid, but I'll ask it anyway, is .340 stronger or weaker than .400? Am I over-spined, underspined, or am I okay?
I'm about to upgrade to a dozen Pro Hunters and I want to get this right.
Yes, the .06 spine deflection is quite a bit.

.340 is stronger than than .400

You are underspined by quite a bit. The GT 7595's are right up your alley with a .340 spine deflection.
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