Velvet
by Big Bore. 05/01/24 11:16 PM
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Recurve arrow spine
#2385321
01/24/18 07:55 PM
01/24/18 07:55 PM
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Joined: Aug 2010
Posts: 2,341 athens
boker
OP
8 point
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OP
8 point
Joined: Aug 2010
Posts: 2,341
athens
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I am trying to tune my new bear take down , B riser with #3 limbs 45@28 , I draw 30” so I am at 50lbs @ my draw length according to my scale. I like a min of a 31” arrow and I use 125gr tips standard 14gr insert and Flemish twist fast flight string, I have several brands of 500 spine arrows on hand. 3 rivers recommended I stay with a 500 spine arrow, all the charts I look at recommended border line between 400/340 spine arrows. I have been testing some gold tips 500 spine, I cut them down to 31 and the bare shaft is still reading weak, I can visible see the arrow flying sideways in flight, fletched arrows seem to do ok. I have a 1/2 Dozen 500 black eagle vintage that 3 rivers said they would swap out since they are unused. I have played around with their spine calculator and it Varys between 400 and 350 as well, as does gold tips. not sure why 3 rivers recommend 500 spine arrows. What do y’all think? I have no 400 or 340 arrows on hand to test.
boker
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Re: Recurve arrow spine
[Re: boker]
#2385487
01/25/18 03:35 AM
01/25/18 03:35 AM
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Joined: Sep 2004
Posts: 36,211 alabama
BhamFred
Freak of Nature
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Freak of Nature
Joined: Sep 2004
Posts: 36,211
alabama
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I would try a 400 spine, I cannot imagine that rig needing a 340 spine.
just to add to the confusion I shoot a Bear TD 60" and 52#(B riser) and I shoot GT 35/55s cut to 30", 200gr point, 100gr brass insert and they bareshaft like darts. Very high FOC. 570gr arrow total.
Last edited by BhamFred; 01/25/18 03:35 AM.
I've spent most of the money I've made in my lifetime on hunting and fishing. The rest I just wasted.....
proud Cracker-Americaan
muslims are like coyotes, only good one is a dead one
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Re: Recurve arrow spine
[Re: boker]
#2385521
01/25/18 03:55 AM
01/25/18 03:55 AM
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Joined: Sep 2004
Posts: 36,211 alabama
BhamFred
Freak of Nature
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Freak of Nature
Joined: Sep 2004
Posts: 36,211
alabama
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one additional problem to keep in mind is total arrow weight when putting carbon arras together because the shafts are so light. I like to stay around 10-12 grains per pound of draw weight.
I've spent most of the money I've made in my lifetime on hunting and fishing. The rest I just wasted.....
proud Cracker-Americaan
muslims are like coyotes, only good one is a dead one
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Re: Recurve arrow spine
[Re: boker]
#2385555
01/25/18 04:17 AM
01/25/18 04:17 AM
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Joined: Aug 2010
Posts: 2,341 athens
boker
OP
8 point
|
OP
8 point
Joined: Aug 2010
Posts: 2,341
athens
|
Thanks guys, y’all are spot on, I think I’ll pick up a 400 spine arrow just to mess with until then I wil swap out the 125 gr tip for a 100 and see how that does but as Fred said I am having trouble getting the arrows up to the. 10gr per inch I want to shoot.
Last edited by boker; 01/25/18 04:19 AM.
boker
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Re: Recurve arrow spine
[Re: boker]
#2385562
01/25/18 04:19 AM
01/25/18 04:19 AM
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Joined: Sep 2004
Posts: 36,211 alabama
BhamFred
Freak of Nature
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Freak of Nature
Joined: Sep 2004
Posts: 36,211
alabama
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160gr STOS and a 40 gr screw in adapter
I also shoot a 180gr screw in German Kenitics a lot
I've spent most of the money I've made in my lifetime on hunting and fishing. The rest I just wasted.....
proud Cracker-Americaan
muslims are like coyotes, only good one is a dead one
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Re: Recurve arrow spine
[Re: boker]
#2385772
01/25/18 06:17 AM
01/25/18 06:17 AM
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Joined: Jun 2016
Posts: 2,644 Arab/Stevenson AL
Recurve
10 point
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10 point
Joined: Jun 2016
Posts: 2,644
Arab/Stevenson AL
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With that draw length and weight you’re going to have a hard time making 500s work. I would even say at that length arrow you’ll have a tough time with 400s but it would be doable with a little effort. I’d look more at 340 with a 125 and might actually buy some extra tips in 145-150 to test.
Last edited by Recurve; 01/25/18 06:18 AM.
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