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Nock thoughts - Boo

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Pdwight:
Thanks.....I think  ;D

I understand how a microprocessor works, I grasp string theory (barley) and this is still black science to me.

Dwight

aero86:
but, this isnt rocket science, just arrow science!  bamboo has a stiff side, while you dont need a spine tester to find it, it helps a lot.  you want the stiff side of the bamboo against the bow, so you have to orient the nock parallel with the stiff side..

FlintWalker:
Stringstretcher is right Dwight.  I usually start with boo shafts around 3' long and can move the shaft back or forth in my spine tester to vary the spine by a few lbs.  Once I find the "sweet spot" I cut them off to the length I need.

Pdwight:
Do you need a spine tester ?? how do you find the Sweet Spot  ???

FlintWalker:
OK...The span between the posts on my spine tester are 26" apart.  If my straightened shaft is say...38" and I want a 28" finished arrow shaft, that gives me 10" to play with.  Boo shafts have a fat end and a slim end.  The spine of the shaft will be higher closer to the fat end, less near the thin end.   If I slap that shaft on my tester and it spines out at 55# out near the thick end and I want a 50# spined arrow.  I can slide the shaft out to where I'm using more of the thinner end and the spine will be less.   By moving the shaft back and forth on the tester, you can fine tune the spine of the shaft... ;)

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