Traditional Archery Discussions on the Leatherwall


Float testing for spine

Messages posted to thread:
Cuzen Jeff 22-Jul-14
Steve Milbocker 22-Jul-14
aromakr 22-Jul-14
Fuzzy 22-Jul-14
Fuzzy 22-Jul-14
George D. Stout 22-Jul-14
dire wolf 22-Jul-14
charley 22-Jul-14
Cuzen Jeff 22-Jul-14
longbow 22-Jul-14
Cuzen Jeff 22-Jul-14
oldgoat 22-Jul-14
JusPassin 22-Jul-14
Stickflicker12 22-Jul-14
Shorthair 22-Jul-14
ROSCO 23-Jul-14
George Tsoukalas 23-Jul-14
aromakr 23-Jul-14
stickbowhntr 23-Jul-14
longbow 23-Jul-14
Quiet Man 23-Jul-14
JusPassin 23-Jul-14
Jim 23-Jul-14
JamesV 23-Jul-14
Tom Baldwin 23-Jul-14
From: Cuzen Jeff
Date: 22-Jul-14




Talk to guy at work today where he had read about a guy floating his arrows in water to find the heavy side of the arrow. Has anyone heard of this?

From: Steve Milbocker
Date: 22-Jul-14




I would think just looking at the end grain would be easier and besides why would you want to raise the moisture content of your arrows?

From: aromakr Professional Bowhunters Society - Qualified Member
Date: 22-Jul-14




Floating might find the heavy side, but not the spine. Bob

From: Fuzzy
Date: 22-Jul-14




aromakr, exactly.... soine can be determined precisely with a spine tester, or less precisely by shooting

From: Fuzzy
Date: 22-Jul-14




"spine"

From: George D. Stout Compton's Traditional Bowhunters
Date: 22-Jul-14




You can find the heavy end with a balance fulcrum rather easily.

From: dire wolf
Date: 22-Jul-14




Vertical float testing in a tube filled with water..or sealer..can help a fellow who doesn't have a grain weight scale to select arrows which are close to the same weight.. I don't think it's much good for checking arrow stiffness tho..Jim

From: charley
Date: 22-Jul-14




In carbons it will find the heavy side. The heavy side is stiffer. Carbons will fly more consistant if they all are oriented the same way. Results range can range from nothing to substantial, depends on the manufacturer, and model. Some have got it figured out better than others.

From: Cuzen Jeff
Date: 22-Jul-14




I just thought it was weird...I just use the dial indicator to find the stiff or weak part of the arrow. Just wanted to know if any of you had heard such a thing.

From: longbow Compton's Traditional Bowhunters
Date: 22-Jul-14




hold it in the middle and try to balance it on your finger. but some people always do things the hard way.

From: Cuzen Jeff
Date: 22-Jul-14




This guy said he was laying them in the water and watching for the heavy side to float to the bottom.

From: oldgoat
Date: 22-Jul-14




I know a guy that used to do it when he was competing seriously, he described it in relation to aluminum's. They stuck corks in the end and floated it. Aluminums have a welded seam I was told and that side would be down and was supposed to be stiffer.. I've never done it myself, this is just how it was described to me.

From: JusPassin Compton's Traditional Bowhunters
Date: 22-Jul-14




Remember that what holds true for one medium, may not for another.

Even wood arrows may not be the stiffest on the edge grain. Harasey you say? Spine a couple hundred wood arrows and roll them while in the tester and you will find that on some shafts the "stiffest" side may run with the grain, not perpendicular to it.

From: Stickflicker12
Date: 22-Jul-14




I saw Jim Burnworth from the Western Extreme hunting show do it with carbon arrows. It was on his "tech tip" segment.

From: Shorthair Professional Bowhunters Society - Associate Member Compton's Traditional Bowhunters
Date: 22-Jul-14




what does it matter when the helical fletching imparts spin....?? I can see it finding density or weight...but not spine.

From: ROSCO
Date: 23-Jul-14




Hi Found these http://www.youtube.com/watch?v=vIXvwvsKNaQ http://www.youtube.com/watch?v=EN0XaaKhhSI

From: George Tsoukalas
Date: 23-Jul-14




Why not spine C and AL shafts all around? Choose the stiffest side and orient the nock grove at right angles to the stiff side.

That's what I do with shafts from shoots.

I don't know. Sounds like putting them in water would be more fun?

Jawge

From: aromakr Professional Bowhunters Society - Qualified Member
Date: 23-Jul-14




First off aluminum shafting does not have a welded seam, they are drawn tubes. Bob

From: stickbowhntr Professional Bowhunters Society - Qualified Member Compton's Traditional Bowhunters
Date: 23-Jul-14




This guy said he was laying them in the water and watching for the heavy side to float to the bottom. wouldn't the heavy side sink to the bottom side?

From: longbow Compton's Traditional Bowhunters
Date: 23-Jul-14




much ado about nothing

From: Quiet Man
Date: 23-Jul-14




I have done this with easton aluminum arrow, they alway floated with the logo up. Gives you consistant spine I guess. Have never tried carbon

From: JusPassin Compton's Traditional Bowhunters
Date: 23-Jul-14




Love your attention to detail Mr. Nordby. :)

From: Jim Compton's Traditional Bowhunters
Date: 23-Jul-14




I don't believe that he could be that accurate of a shot that it would matter. Jim :)

From: JamesV
Date: 23-Jul-14




MAN.................. I would give anything to be able to shoot good enough to need to float my shafts.

James

From: Tom Baldwin Professional Bowhunters Society - Associate Member Compton's Traditional Bowhunters
Date: 23-Jul-14




I hear you, Juneau. My wife read this thread and is encouraging me to swim a lot more. I think she's certain I'll float face-down!





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