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Tapering shafts

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feathersnwood:
I’ve got a question if I have a 11/32  30” cedar shaft and it’s 55#spine if I taper it 10” to 5/16 th how much spine would I lose ? I’m wanting my shafts to end up at about 45-50#just wanting a idea on where to start at . Haven’t ever tapered any shafts and wanting a starting point . Thanks

Pat B:
You may loose a pound or two, especially if tapering only the back 10". By tapering the rear you also benefit with better arrow clearance which makes it more forgiving.

feathersnwood:
Yes I was going to taper the back 10” sorry for not being clear on that thanks I thought I might lose more than that .

Pat B:
When an arrow goes through paradox most of the bending is in the center of the arrow. The ends usually remain pretty rigid.

TSA:
on 11/323 sitka spruce, when we taper the back 8" we lose  zero in spine( or at least less than 1#). when we taper the back 9" we lose about 1 pound in spine.
i would imagine its more of a proportional thing, related to the beginning spine of the shaft, and not an actual figure- but thats what i figure on anyway.
So That ties in with Pats points above.

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