Main Discussion Area > Arrows
All about spine.
mullet:
Thanks for the explanation Art,you make it sound real simple.Did you get those feathers I sent you awhile back?It's also good to see you on hear.
Pat B:
Thanks for the reply, Art. I knew you were lurking out there. Hope things are good with you. Pat
DanaM:
I took a 45-50# store bought sikta spuce shaft 31" checked its spine on my homemade gadget it spined at 45-50#, I put a nock on cut it to finished length of 28"
glued a 125 grain point on and it still spined at 45-50# Does this seem right?
DanaM
Badger:
Some good info up above, my spine meter is 26" long. However I start adjust my lengths at 28". For me a 55# bow with 29" arrows and 125 grain tips, shooting 1/2" off center shot. My spines are adjust from 52# to 55# measured at 26". They would likley measure 10# less if I were to measure at 28". There are some real good arrow tuning sights out there, look under O.L. Adcock. He has one of the best sights for tunning arrows. Steve
Dustybaer:
dana, in both cases you measured the static spine. the dynamic spine would have changed, had you left the arrow longer than 28" or shortened it to less than 28". let's say you would have left the arrow 29" long, it would still spine out at 45-50, but behave (in flight) like a 40-45 spined arrow. also, had you used a different point weight, it would have behaved differently, (with the heavier point making it behave like a softer shaft).
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