Traditional Archery Discussions on the Leatherwall


Increasing arrow spine

Messages posted to thread:
Douglas Tubbs 26-Jul-19
JimBow 26-Jul-19
mparker762 26-Jul-19
camodave 26-Jul-19
George D. Stout 26-Jul-19
aromakr 26-Jul-19
fdp 26-Jul-19
Douglas Tubbs 26-Jul-19
DanaC 27-Jul-19
Douglas Tubbs 27-Jul-19
Douglas Tubbs 27-Jul-19
Mpdh 08-Sep-19
Kelly 08-Sep-19
Douglas Tubbs 08-Sep-19
fdp 08-Sep-19
longbowguy 10-Sep-19
fdp 11-Sep-19
Kelly 11-Sep-19
Bud B. 11-Sep-19
fdp 11-Sep-19
From: Douglas Tubbs
Date: 26-Jul-19




Here is a crazy question Do you arrow makers think that dipping arrows increases spine? My idea is I have some very nice finished woodies that I have cut as short as I want to go and the broadhead I want but are just a tad light spined. Played with my brace height some. Do you think redipping from fletch to head would stiffen them? I warned you it was a crazy question.lol

From: JimBow
Date: 26-Jul-19




just build out your arrow plate the thickness of a tooth pick. That should stiffen them up some.

From: mparker762
Date: 26-Jul-19




You could dip the back end - weight at the back of the arrow increases dynamic spine, weight at the front lowers it. Or just change your brace height or the strike plate thickness.

From: camodave
Date: 26-Jul-19




I prefer all my arrows to be a bit weak. Not sure how that is a problem unless it affects accuracy.

From: George D. Stout Compton's Traditional Bowhunters
Date: 26-Jul-19




I've never noticed it and I've done a few in near 50 couple years of bow shooting. It won't unless you are so borderline close to a spine change that it will affect it. If you do stiffen it, you can add point weight to bring it back.

From: aromakr Professional Bowhunters Society - Qualified Member
Date: 26-Jul-19




The easiest solution and has been said is build out the strike plate, it doesn't take much, like a tooth pick thickness or less. Just push it between the strike plate you know have and the riser.

Bob

From: fdp
Date: 26-Jul-19




No, it won't increase arrow spine. You can't increase arrow spine. All you can do is modify the bows spine requirement. Build out the sight window as was suggested.

From: Douglas Tubbs
Date: 26-Jul-19




Thanks guys.Your a wealth of info.

From: DanaC
Date: 27-Jul-19




"...just a tad light spined. Played with my brace height some."

Probably easiest to try just a few more twists of the string. Sounds like you're close to it. The build-out is also worthwhile, especially if your bow is quietest at current brace.

From: Douglas Tubbs
Date: 27-Jul-19




Made my own equipment since 83. Bows,arrows,quivers,tabs.Only dip my arrows with 2 to 3 dips of gloss poly then steel wool the sheen off. But some guys are talking multible dips of some high grade finish and just always seemed this would stiffen an arrow.Just a thought and I stand corrected.My arrows flight is pretty good but you know when you mess with archery everyday your always thinking and tweaking. Got to love it. Thanks again.

From: Douglas Tubbs
Date: 27-Jul-19




Just a side note. In the early 80's a friend and I bought 100 tapered Kustom King shafts for 100 bucks. That is some traditional prices. Two other friends and I bought each 600 barred full length feathers. These arrows i am shooting are the last of my 600. We used to even 4 fletch flu flu's with them but I became quite frugal with them the last few years. That is a lot of fletch over the shelf. That is what I love about archery it just keeps going.lol

From: Mpdh Compton's Traditional Bowhunters
Date: 08-Sep-19




I think fdp was referring to the shaft stiffness. In other words static not dynamic spine.

MP

From: Kelly
Date: 08-Sep-19




Larger and or longer feathers will help you with your slightly weak spine.

Adding weight like Shawn said helps too like a crown dip.

Only thing you can do to effect already made arrows is shorten them a tad. Even 1/4” just may be the ticket. Or increase brace height like said earlier.

How have you been, Doug? Long time, no see. Say Hi to Randy if you still see him.

From: Douglas Tubbs
Date: 08-Sep-19




Thanks Kelly. Still flinging arrows. It has been a long time maybe since the PBS shoots at Randy's? Randy is in the Bighorns for a couple weeks. Sent me a pic yesterday of a nice velvet muley he shot with a Black Widow.I am still shooting 5 1/2 inch feathers. But still do a regular fletch on them.Hope you and yourn are doing well. So good to hear from you long time friends!

From: fdp
Date: 08-Sep-19




Shawn, spine is a static measurement of how much an arrow bends when supported over a given distance, with a particular amount if weight hanging on it.

Cutting it shorts won't change that measurement, adding weight to the back won't change that measurement, and adding weight to the front won't change that measurement.

From: longbowguy
Date: 10-Sep-19




Ya but the spine changes we are after is not just the static spine on a tester but the dynamic spine as the arrow is shot. And the several suggestions above all affect how the arrow behaves when shot, and where it hits, which is what really matters.

Static spine is just data, results when shot is information. - lbg

From: fdp
Date: 11-Sep-19




Read the OP. The question was about dipping to increase static spine. He didn't ask anything about changing cebtershot, adding large string silencers, changing material on the sight window, or anything else that changes the dynamic spine. You can't change static spine.

From: Kelly
Date: 11-Sep-19




fdp, you need to read the whole OP statement. Yes, he mentions the word spine(does not use static) but reading the rest he is talking about already made arrows that he cut too short and shoot "a tad light spined" (dynamic spine). He was wondering if adding a finish would effectively stiffen how they shoot, hence dynamic spine.

From: Bud B.
Date: 11-Sep-19




Well, if you soak raw shafts in Danish Oil finish, yes, it will stiffen the static spine. Been there. Done that. But it is negligible.

Dipping shafts that are already sealed to stiffen? No.

From: fdp
Date: 11-Sep-19




I get it Kelly, and I did read the entire post when he initially posted it.

I suppose it has to do with how literally each reader interprets the question.





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