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Cane shaft - spine question...

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Diligence:
bump ---  I'm wondering about a sure fire way to spine cane/bamboo too?

Okay - I retract that.  I just managed to find a bunch of good posts with this good bit of advice from PeteC.  I think I will have to try this preliminary spining before straightening.

"Like the others said,there are a lot of differences between cane.  Something I've been doing the last year or so is ,cut your cane long,like 4'-4 1/2'.  After it is dry,Measure the deflection along the length until you find the desired spine.  I have 2 nails driven into a shelf board,26" apart.  Starting at one end, lay the cane on the nails, mark the location of the unflexed shaft, then hang a 2 pound weight from the center of the section your testing, mark the new location of the deflected shaft, then measure the distance the shaft deflected.  Example:  If the shaft deflects .45",then , 26 divided by .45 =57.78# of spine or, if it deflects .3", then, 26 divided by .3 =86.67# of spine.   This is handy, because with this method you can rough test the spine before straightening the shafts.  After testing a few of your batch,  you will have a good idea what diameter you need to fit your need. Then cut, straighten, and build arrows.  Hope this helps.  God Bless"

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