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Arrow weight ???

Old 09-19-2011, 08:45 AM
  #1  
Nontypical Buck
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Default Arrow weight ???

Does anybody know what a 29" 2117 arrow would weight in grains???

The arrow will have 3 5" feather fletchings...

Im trying to find out if a 100gr broadhead will be to light to shoot with my new bow...
My new bow should be around 45lb at 28"

BW recomends 9-11 grains of arrow weight per lb of draw weight

Thanks for any help!!!

Last edited by Mr. Longbeard; 09-19-2011 at 08:52 AM.
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Old 09-20-2011, 05:59 AM
  #2  
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A 2117 cut to 29" BOP (back of point) weighs 348 grains, with a 100 grain broadhead, a 25 grain RPS insert, 13 grain Super Nock and if you're using Easton Camo Hunter aluminum series arrows, you'll have a 7 grain super uni bushing and not forgetting the 3, 5" feathers (9 grains).....gives you a 502 grain arrow (roughly).

This comes out to a 11.15 GPP (grains per pound) arrow. This is slightly over the 9-11 GPP which Black Widow recommends, but remember, it's only a recommendation which isn't carved in granite.

If you want to stay with the Easton Camo Hunter aluminum series of aluminum arrows, have you considered a different size such as a 2215 which is in the same spine category with the 2117, but lighter in overall weight?

Doing the numbers for a 2215 cut to 29" BOP (back of point) weighs 310 grains, with a 100 grain broadhead, 30 grains for the RPS insert, 13 grains for the Super Nock, 9 grains for the super uni bushing, 3, 5" feathers (9 grains) comes out to a 474 grain arrow (roughly).

This means you'd be shooting a 10.53 GPP (grains per pound) arrow. As an added bonus, you'll pick an extra 5 fps (feet per second) in speed.

http://www.eastonarchery.com/products/product/10

Last edited by Night Wing; 09-20-2011 at 06:07 AM.
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Old 09-21-2011, 09:19 AM
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Night Wing thanks for that info you are a great help!!!

I dont know how much difference it makes but ill be shooting the easton Legacy arrows...
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Old 09-22-2011, 04:35 AM
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Easton Legacy's have a swaged nock end so there is no super uni bushing installed in them. If you stay with a 2117 Legacy arrow, you need to subtract 7 grains of total arrow weight for the Legacy's because there are no super uni bushings in the Legacy series.
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Old 10-02-2011, 01:53 AM
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Wont the 2117 be a little on the stiff side for a 45# bow. I would think a 2016 or 2018 would be a better fit, especially with such a light point. I would be willing to bet you have to increase your point weight quite a bit, 200+ gr,with a 2117 to get them to spine right. I have shot 29.5" 2117s with 150gr points out of my [email protected] checkmate crusader.

I'm betting a 29" 2016 with 125gr head at just over 500grs would be a winner.
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Old 10-19-2011, 03:30 AM
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The 2117 will be way to stiff.Go with the 2018 and at least 125gr head.It will be heavier and probably a little stiff at 29" so I would start a little longer and bare shaft to find the best length to get the spine right.
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