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Cane arrow flight

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Bowjo:
Maybe I should check the spine on some of them.I had read here that most guys just sort them by weight and use them.I will also check my cuts on the selfnocks .....Joe

Bowjo:
I hope you guys are staying with me on this.Alot of trial and error.
I started with 24 pieces of cane I had cut.I found wher they were 11/32 in diameter and went 15"'s each way for a 30" shaft.
I then weighed them:4=300-350grns,6=351-400grns,9=401-450grns,2=451-500grns,3=500+grns.
I then chose the 401-450grn shafts to make my arrows.That is when I started posting.
The 2 selfbows I made these arrows for are 55-64#'s.It seems my arrows are very underspined.Since my last post,I got a 35-42# selbow off the wall and most of the arrows shot good.
Now for some new questions.It seems that the only shafts with heavy enough spine are around 500grns or more with nock end being close to 3/8's and the front being 1/2"+ in diameter.My method for cutting shafts didn't result in many 500+ shooters for my bow.What diameter do you consider too large for River cane arrow shafts ?What would be your largest nock end?What would be your largest point end?I think if I bump up the size on my shaft cutting that I will end up with some pretty large diameter shafts.
I don't know if I will get any made for hunting season this year as I am about out of turkey feathers and dried shafts right now.I really appreciate all the help and advice.Thanks again Joe

artcher1:
For an average 11/32-23/64" (point end) river/switch cane shaft I've been hard pressed to get 50# spine.  So yeah, it does sound like you're under spined.

For bow's in your weight range I would suggest you look for other suitable material such as tonkin, bambusa, sasa or Japanese arrow boo. You may find a few hill cane that will work. Hope that helps. ART B

aero86:
i would say a majority of the cane/bamboo shafts that you get raw, they will be underspined for what you have.  ive straightened a few hundred shafts over the last year.  a majority of them are 50 and under, 1/4 of them were 45-60, and the rest were 60 and above. 

artcher1:
Just remember, you will need to allow about 10-15# of extra spine because of the cane's natural taper to get what you want. And add about 5# for every inch longer than a standard 28" arrow.

So to make a cane arrow spined @ 50# and 30" long you're going to need something in the range of 70-75# to start with. Not easy to find in our natural canes and still wind up with a decent diameter shaft. ART B

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