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#908060 - 09/10/08 03:09 PM Re: Shaft Girth Question [Re: Radar]
Grim Reaper
8 Point


Registered: 04/07/08
Posts: 1304
Loc: SW TN

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 Originally Posted By: Radar
Carbons .


Beerslayer:

I would have to agree with Radar on this one!! Now what brand to use that would be a different story!! Here is the easiest formula this will solve everything:

Mathews + Carbon Express Maxima 350's + Grim Reaper = MEAT ON THE TABLE!!!
_________________________
"Blessed be the LORD my strength, which teacheth my hands to war, and my fingers to fight"
-Psalm 144:1

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#908267 - 09/10/08 05:22 PM Re: Shaft Girth Question [Re: Grim Reaper]
BEERSLAYER40
8 Point


Registered: 08/09/08
Posts: 1191
Loc: west tennessee

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here is my situation....I have 8 2213's and 15 2413's...that's why I don't wanna buy new arrows this year....I already have 2 dozen or so.......both type are all cut to the same length and have 100 gr tips....all arrows were just re-fletched with blazer vanes for my set-up......Hoyt redline with whisker biskit........how much difference you think there will be on flat ground at less than 50 yards.....what about elevated at under 50 yards?

I'm about to go test em out...lol
_________________________
I am no longer willing to die for my country...I am willing to die to protect my family from the country in which we reside.

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#909012 - 09/11/08 03:27 AM Re: Shaft Girth Question [Re: Radar]
Hoss
TnDeer Old Timer
8 Point


Registered: 02/14/00
Posts: 1426
Loc: Hendersonville , TN

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OK Beerslayer here is the upshot of what you are getting at.
Easton uses a numerical reference for the size of their arrow shafts. The Four digit number can be broken down in two sets of two numbers. The first two numbers are the out side diameter of the aluminum shaft in 64ths of an inch. The second two numbers are thickness of the aluminum in thousandths of an inch. Both of these number will determine how much the arrow will flex when you shoot it (spine). So the short answer to your question is the 2413s will most likely shoot slightly higher than the 2213s because they will sit 1/64th of an inch higher on your rest (they are 2/64ths larger in diameter but 1/64ths will sit above the center of your shaft and 1/64th will be below center thus raising the shaft center up 1/64ths). The center of the shaft will be higher (slightly). But this will be noticeable for most shooters at 20 - 30 yards.

However the 2213 will shoot slightly faster because of the lighter weight. This will cause the difference at 40 yards to be neglible and probably cause the 2213s to shoot slightly higher at 50 yards. If all other things are equal. But Phil makes a good point in that the 2413 is a stiffer spine so everything won't neccessarily be equal.
_________________________
"The future of bowhunting depends on effective education"..... Bill Wadsworth

A mere shadow of the man I once was... Me!

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#909014 - 09/11/08 03:39 AM Re: Shaft Girth Question [Re: Hoss]
Hoss
TnDeer Old Timer
8 Point


Registered: 02/14/00
Posts: 1426
Loc: Hendersonville , TN

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In summation.
2213 = 22/64ths of an inch in O.D. and 13/1000 in thickness of the aluminum wall.

2413 = 24/64ths of an incg in O.D. and 13/1000 in wall thickness.


So the O.D. is larger on 2413 and the wall thickness is the same on both shaft sizes. This will make the 2413 stiffer and heavier than the 2213.

I would look the weights up but is late and I am just too tired. But hopefully you see the logic here.

Shoot both out of your bow with broadheads. Go with the one you shoot the tightest groups with. It will all hinge on the draw weight of your bow and how long the arrows are cut. However, if you shoot with a release aid and using aluminum arrows usually stiffer is easier to fudge on than not stiff enough, especially with broadheads. But it is possible to go too far in either direction (that is why you should shoot both, out of your bow and with the broadheads).

Another point is make sure they are straight. This will have a huge impact on the accuracy of broadheads and arrow flight. That is another mini article. This is where Radars advice on Carbon shafts come into play. Most Carbon arrows are straight (even though I still check everyone).
_________________________
"The future of bowhunting depends on effective education"..... Bill Wadsworth

A mere shadow of the man I once was... Me!

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#909096 - 09/11/08 07:15 AM Re: Shaft Girth Question [Re: Hoss]
Grim Reaper
8 Point


Registered: 04/07/08
Posts: 1304
Loc: SW TN

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Good lesson on shaft girth I think we all learned a little something on that one!!!
_________________________
"Blessed be the LORD my strength, which teacheth my hands to war, and my fingers to fight"
-Psalm 144:1

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#909203 - 09/11/08 08:25 AM Re: Shaft Girth Question [Re: BEERSLAYER40]
Radar
Non-Typical


Registered: 08/19/01
Posts: 31145
Loc: Kansas City, Mo.

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 Originally Posted By: beerslayer40
here is my situation....I have 8 2213's and 15 2413's...that's why I don't wanna buy new arrows this year....I already have 2 dozen or so.......both type are all cut to the same length and have 100 gr tips....all arrows were just re-fletched with blazer vanes for my set-up......Hoyt redline with whisker biskit........how much difference you think there will be on flat ground at less than 50 yards.....what about elevated at under 50 yards?

I'm about to go test em out...lol


I'd go with the 2413's . Heck, 15 arrows is more than enough .
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#909464 - 09/11/08 10:53 AM Re: Shaft Girth Question [Re: Radar]
BEERSLAYER40
8 Point


Registered: 08/09/08
Posts: 1191
Loc: west tennessee

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I went out and shot a couple of hours last night and it seemed as if I could never get a tight group out of any of my arrows for more than 2-3 arrows and none of the tight grouping arrows were the same model...its crazy . I took my bow over to a local bow shop who was open late and he checked everything on my bow and found that i am pulling 75 lbs. He made a minor adjustment to my nocking point and is making me 6 carbon arrows and some rage 3 broadheads that I will pick up this evening.

I am tired of fooling with mismatched arrows. Time to get some new goodies.

If anyone needs all my aluminum arrows just let me know.
_________________________
I am no longer willing to die for my country...I am willing to die to protect my family from the country in which we reside.

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#909598 - 09/11/08 12:12 PM Re: Shaft Girth Question [Re: BEERSLAYER40]
Radar
Non-Typical


Registered: 08/19/01
Posts: 31145
Loc: Kansas City, Mo.

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 Originally Posted By: beerslayer40
I went out and shot a couple of hours last night and it seemed as if I could never get a tight group out of any of my arrows for more than 2-3 arrows and none of the tight grouping arrows were the same model...its crazy . I took my bow over to a local bow shop who was open late and he checked everything on my bow and found that i am pulling 75 lbs. He made a minor adjustment to my nocking point and is making me 6 carbon arrows and some rage 3 broadheads that I will pick up this evening.

I am tired of fooling with mismatched arrows. Time to get some new goodies.

If anyone needs all my aluminum arrows just let me know.


Good choice on the carbons . I'd back off on the draw weight too . You will probably shoot much better at a lighter draw weight .
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#909680 - 09/11/08 12:46 PM Re: Shaft Girth Question [Re: Radar]
BEERSLAYER40
8 Point


Registered: 08/09/08
Posts: 1191
Loc: west tennessee

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When you are as "girthy" and "beastly" as I am you almost have to pull em at a heavy setting...lol

Seriously,Thanks for the advice. I may drop it back to 65-70 lbs.
_________________________
I am no longer willing to die for my country...I am willing to die to protect my family from the country in which we reside.

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#910640 - 09/11/08 07:43 PM Re: Shaft Girth Question [Re: BEERSLAYER40]
Game Eye
14 Point


Registered: 08/06/00
Posts: 8394
Loc: Tennessee

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FWIW brother, going with the carbons is probably a good move, but be careful not to go too light with your arrow weight especially shooting heavy draw weight up around 75lbs. Try to stay at about 6 grains of arrow weight per pound of draw wieght. Don't know what bow you're shooting but they will come apart on ya at heavier poundages shooting IBO.
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