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Old 02-07-2009, 02:13 PM   #1
iawalleyeguy
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Default 475 grain arrow

i know that is way too heavy! I shoot a bowtech general 28" draw and 70# pull using a rip cord rest i want too use 100 grain heads and lumenoks but am having trouble keeping a good 10% F.O.C. without going to 125 grain heads and then need to go to 340 spine the result is a rediculously heavy arrow can any one help with this i would like to stay 400 or slightly under 380 is about as light as i want to go
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Old 02-08-2009, 05:57 AM   #2
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Are you asking for a hunting shaft recomendation?
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Old 02-08-2009, 09:48 AM   #3
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Quote:
Originally Posted by dbdcougar View Post
Are you asking for a hunting shaft recomendation?
yes for hunting only
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Old 02-08-2009, 12:14 PM   #4
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I'm shooting the CX armids they weigh 452g with 100g tipp's. They do have the weight forward design built in. Not sure what FOC is on them though. I'll calculate it tonight and get back to you.
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Old 02-11-2009, 10:15 AM   #5
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Default full metal jacket 340

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Originally Posted by iawalleyeguy View Post
i know that is way too heavy! I shoot a bowtech general 28" draw and 70# pull using a rip cord rest i want too use 100 grain heads and lumenoks but am having trouble keeping a good 10% F.O.C. without going to 125 grain heads and then need to go to 340 spine the result is a rediculously heavy arrow can any one help with this i would like to stay 400 or slightly under 380 is about as light as i want to go
I shoot the 340 full metal jacket at 483 g total weight. Its a hammer when it hits. diamond marquis 72lbs 262 fps on chrono. Shoot quick spins 3" hunting arrow and practice out 100 yrds for fun.
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Old 02-11-2009, 10:35 AM   #6
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475 is heavy but I wouldnt call it way too heavy. It's only 6.8 grains per pound. I bet it makes your bow real quiet. I wouldnt worry about it.
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Old 02-11-2009, 10:38 AM   #7
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Take a look at the carbon express Maximas... They have that weight forward thing going on in there shaft. It might be just what your looking for. I don't shoot or know alot about the Maximas but If I were you I would give them a look...
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Old 02-11-2009, 11:35 AM   #8
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475 is heavy but I wouldnt call it way too heavy. It's only 6.8 grains per pound. I bet it makes your bow real quiet. I wouldnt worry about it.
Agreed, I like something in the 6 - 6.5gr/# for hunting myself.
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Old 02-11-2009, 11:49 AM   #9
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You could go to a 400 spine arrow and up to a 125 grain head. I hunt with a 440 grain arrow. Quiet
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Old 02-11-2009, 05:24 PM   #10
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Quote:
Originally Posted by J.C. View Post
475 is heavy but I wouldnt call it way too heavy. It's only 6.8 grains per pound. I bet it makes your bow real quiet. I wouldnt worry about it.
Dang........this guy is good.
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Old 02-11-2009, 08:19 PM   #11
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i don't 475gr is that much too heavy for deer. i shoot a bt 82nd with a 463gr arrow at 29" dl. when i hit one, we both know it. people who shoot the mimimum of 5gr per pound of dw are pushing their luck in my opinion. i believe that over time, shooting arrows that light will affect the bow in a bad way. besides, with my setup, the heavier arrows seem to shoot quieter and more accurate.
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Old 02-11-2009, 09:11 PM   #12
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The engineer in me wants to understand how energy is dissipated in a arrow while it's decelerating in a deer. I really don't know.

First, it's logical that some energy is lost to shaft flex and vibration due to the back of the arrow trying to outrun the front. Spine would be critical in keeping the energy from being lost to these things. Weight of the front end vrs weight overall would be an issue. Speed would have to be in balance with these other factors. So how fast a given arrow (weight, spine, length, speed) depends on a balance of factors. It seems to me that it's possible that a low spine arrow would actually lose more energy on deceleration due to flex at high speed, than it would if you slowed that same arrow down.

Bottom line, penetration tests would be the best test.
Personally, I am shooting heavy stiff arrows at deer.
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Old 02-11-2009, 09:11 PM   #13
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How about using feathers? Would help with the FOC.
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