Bare shaft tuning

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gundog
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Bare shaft tuning

Post by gundog » Mon Jan 29, 2018 11:10 pm

Does anybody do bare shaft Tunning? Would there be any benefit.?
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paulaboutform
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Re: Bare shaft tuning

Post by paulaboutform » Mon Jan 29, 2018 11:52 pm

gundog wrote:
Mon Jan 29, 2018 11:10 pm
Does anybody do bare shaft Tunning? Would there be any benefit.?
Not with a crossbow. With a verticle compound bow yes.

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robertyb
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Re: Bare shaft tuning

Post by robertyb » Tue Jan 30, 2018 7:58 am

paulaboutform wrote:
Mon Jan 29, 2018 11:52 pm
gundog wrote:
Mon Jan 29, 2018 11:10 pm
Does anybody do bare shaft Tunning? Would there be any benefit.?
Not with a crossbow. With a verticle compound bow yes.
Do you not use spine matched arrows in your crossbow? If so there are basically two ways to find the spine which are a spine tester and shooting bare shafts. Bare shaft shooting is time consuming but is probably the most efficient way to get matched arrows.
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gerald strine
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Re: Bare shaft tuning

Post by gerald strine » Tue Jan 30, 2018 8:42 am

With a vertical bow bare shaft paper testing can tell you a lot about your set up like arrow rest alinement,nock height tiller adjustment, and you can play with head weight and shafts depending on what your paper tear tells you.
But on a x bow their is no adjustment for arrow rest,nock point,poundage,center shot or tiller.So as long as I get good groups with my broadheads and I do I have found no reason to paper test but it my be something the excuse the term speed freeks want to do to see how light of arrow they can get away with but I prefer a heavy shaft over speed myself.
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nchunterkw
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Re: Bare shaft tuning

Post by nchunterkw » Tue Jan 30, 2018 9:03 am

I've done it but have gone away from it. As Robert said it is one way to get matching spine arrows. You might want to check out a guy named MasBoy on Crossbow Predators. He has done a lot of that.
Keith
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paulaboutform
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Re: Bare shaft tuning

Post by paulaboutform » Tue Jan 30, 2018 9:12 am

That's a lot of messing around with each shaft looking for the week or stiff side. I'd look into a Firenock or Ram spine tester first I believe.

Paul

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robertyb
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Re: Bare shaft tuning

Post by robertyb » Tue Jan 30, 2018 9:55 am

paulaboutform wrote:
Tue Jan 30, 2018 9:12 am
That's a lot of messing around with each shaft looking for the week or stiff side. I'd look into a Firenock or Ram spine tester first I believe.

Paul
It is a lot of work. Time consuming for certain.
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nchunterkw
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Re: Bare shaft tuning

Post by nchunterkw » Tue Jan 30, 2018 10:32 am

I agree...that's why I quit....that and it's hard to see much difference in a Zombie shaft
Keith
"Nothing clears a troubled mind like shooting a bow."

Micro, Vortex
RamCat, Slick Trick
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W.Miguire
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Re: Bare shaft tuning

Post by W.Miguire » Tue Jan 30, 2018 11:25 am

It takes forever to spline check a bare shaft arrow with a crossbow. I made a spline checker using a dial indicator . I is very simple to make it cost me about 15.00 and is very helpful. you can check on youtube for splining arrows.
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Stab 'em
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Re: Bare shaft tuning

Post by Stab 'em » Tue Jan 30, 2018 6:51 pm

I bought my dozen Spynall Tapps from Jerry at South Shore Archery. He was a highly recommended arrow and bolt guru, and will measure and mark the spine for you before fletching so it is oriented correctly. Spine matched, grain weight matched, indexed, shafts are not cheap, but he said he guaranteed his work based on the grouping results at a hundred yards. I haven't gotten out that far yet, but short range shots are dead-nuts.

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Re: Bare shaft tuning

Post by bdog » Tue Jan 30, 2018 7:17 pm

If you're only hunting within a decent range with a crossbow, all this spine testing, indexing, vanes this way or that way, well, you have a lot of time on your hands, now for comp shooting and poking bulls eyes, have at it, get the most you can out of your set up if ya wanna win.....
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foofoo
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Re: Bare shaft tuning

Post by foofoo » Tue Jan 30, 2018 8:46 pm

i use to buy spine matched arrows but dont worry for hunting distances with my quills hitting well .i have an idea and always wondered of a new model Excal that the riser gap only allowed for 2 fletch up and down to pass. would allow for limbs to be closer together and compact. add in a rail that has been skeletonized to save weight with ovals or holes like some other brand rails i see. a 4 lb hunting specific crossbow. Micro Mechanical Extreme :mrgreen: shoots mechanicals only 0-50 yards. 2 fletch :shock:

gundog
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Re: Bare shaft tuning

Post by gundog » Tue Jan 30, 2018 10:17 pm

Thanks for the info. Seems like a bit could be gained but in the end for my need it would be a lot of work for something I might not notice shooting while hunting.
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gerald strine
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Re: Bare shaft tuning

Post by gerald strine » Wed Jan 31, 2018 8:05 am

gundog wrote:
Tue Jan 30, 2018 10:17 pm
Thanks for the info. Seems like a bit could be gained but in the end for my need it would be a lot of work for something I might not notice shooting while hunting.
You hit the nail on the head your time would be better spent making your own bolts ,squaring them with a arrow squaring tool front and back ,I also square nock and incert on mine,get a good FOC with a heavy head or incert and call it a day.
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SEW
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Re: Bare shaft tuning

Post by SEW » Wed Jan 31, 2018 8:26 am

I’m shooting 20” arrows out of my 380,400,405. That length requires more spine than shorter arrows. I do spine index and see a noticeable difference in accuracy. Of course, the shorter the arrow, the less spine indexing will help, as well as with shorter ranges. At 80-100 yds and a M405 , a 20” Arrow will significantly benefit from spine indexing, and I expect spine matching.

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