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Arrow Weight Question for Traditional Guys
#369868
07/18/12 10:29 AM
07/18/12 10:29 AM
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Joined: Mar 2003
Posts: 5,918 Pine Hill, Al
Todd1700
OP
12 point
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OP
12 point
Joined: Mar 2003
Posts: 5,918
Pine Hill, Al
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I have in my readings all over the web encountered one dearly held belief among all traditional bow hunters. For adequate penetration on deer sized animals your arrow needs to weigh a minimum of 10 grains per pound of bow weight you are shooting. So for example my 50lb recurve needs to be flinging at least a 500 grain arrow. Now I fully understand that heavier arrows have some advantages. They can quiet your bow, adsorb energy more efficiently and carry more momentum than lighter arrows. That's not the debate or question I'm trying to get at here.
Here's what I don't understand. I have seen guys who stated their intention to hunt deer with a 400 grain arrow out of a 50 or 55lb recurve bow at traditional bow hunting forums just get jumped like they announced they were going to go hunt bull elephants with a BB gun. Waaaaay too light. You'll regret it. Fool's folly. Etc, etc,. Clear violation of the 10 grains per pound rule. 15 yard penalty and loss of down.
And yet in these same forums some guy will invariably come on there and ask if a 40 lb recurve is powerful enough to kill deer. And the answer is a universal "yes" as long as he sticks to the 10 grains per pound arrow weight rule.
Ahhh, but there's the rub. A 10 grain per pound arrow out of a 40 lb bow is a 400 grain arrow. So how in the hell can a 400 grain arrow out of a 40lb bow be perfectly adequate for deer while a 400 grain arrow out of a 50lb bow is irresponsible and doomed to give inadequate penetration? From equal draw lengths the 400 grain arrow from the 50lb bow has got to be moving faster than the one from the 40 pound bow. How can it not out perform the slower arrow of the same weight?
Can anyone explain that to me?
Last edited by Todd1700; 07/18/12 02:44 PM.
The best index to a person’s character is (a) how he treats people who can’t do him any good, and (b) how he treats people who can’t fight back. - Abigail van Buren
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Re: Arrow Weight Question for Traditional Guys
[Re: Todd1700]
#370015
07/18/12 01:57 PM
07/18/12 01:57 PM
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Joined: Apr 2007
Posts: 3,633 Gardendale
BigDalk
10 point
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10 point
Joined: Apr 2007
Posts: 3,633
Gardendale
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i'm not in the traditional bow hunting scene but sounds to me like it's a stupid rule to go by. I would much rather calculate the kinetic energy and stick to a minimum kinetic energy. Sounds like that rule doesn't take draw length, arrow speed, etc into the equation.
It's hard enough to arrow a deer with modern equipment. Then you have to hunt for deer you have shot most of the time. I think modern equipment is enough of a challenge for me.
"The aggies are going to destroy bama" Burbank
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Re: Arrow Weight Question for Traditional Guys
[Re: Todd1700]
#370063
07/18/12 03:14 PM
07/18/12 03:14 PM
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Joined: Jul 2011
Posts: 39,456 Marshall County
FurFlyin
Freak of Nature
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Freak of Nature
Joined: Jul 2011
Posts: 39,456
Marshall County
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It started as a recommendation then became a "mandate." Most of the ones mandating it have no idea what KE, Momentum or anything else actually means. There's several RULES in Trad archery that started out as recommendations. A heavy arrow penetrates better, but I'm sure there is a break even point.
If my people, who are called by my name, will humble themselves and pray and seek my face and turn from their wicked ways, then will I hear from heaven and will forgive their sin and will heal their land. 2 Chronicles 7:14
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Re: Arrow Weight Question for Traditional Guys
[Re: Todd1700]
#370098
07/18/12 04:20 PM
07/18/12 04:20 PM
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Joined: Sep 2004
Posts: 36,261 alabama
BhamFred
Freak of Nature
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Freak of Nature
Joined: Sep 2004
Posts: 36,261
alabama
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I'd try but you are just looking to stir some chit over something you already have yer mind made up over...
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: Arrow Weight Question for Traditional Guys
[Re: Todd1700]
#370154
07/18/12 05:37 PM
07/18/12 05:37 PM
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Joined: Mar 2004
Posts: 10,982 Somerville
CAM
Booner
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Booner
Joined: Mar 2004
Posts: 10,982
Somerville
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I've seen the "kinetic energy vs momentum or cast and how it all relates to penetration" debates until my head hurt. I had successfully, totally forgotten about them until this thread...thank you Bottom line is shoot what flys good for you and put it where it needs to be and remember your bow will appreciate a heavier arrow, the noise will be reduced and you'll get better penetration and a deer will absolutely jump your string
"Don't let a dead deer kill ya"
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Re: Arrow Weight Question for Traditional Guys
[Re: Todd1700]
#370539
07/19/12 09:30 AM
07/19/12 09:30 AM
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Joined: Feb 2003
Posts: 12,146 Sylacauga, AL
poorcountrypreacher
Booner
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Booner
Joined: Feb 2003
Posts: 12,146
Sylacauga, AL
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I'd just stick to the traditional aluminum. Sorry, Todd, I've got no idea on your question. It does seem logical to ask.
All the labor of man is for his mouth, and yet the appetite is not filled.
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