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Author Topic: Help picking elk arrows - 2 options  (Read 1682 times)

Offline Randonee

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Help picking elk arrows - 2 options
« on: July 15, 2019, 05:27:48 PM »
I知 getting some arrows that will be used for elk hunting. I知 looking at two options, both are prebuilt and ready to go, and have a similar micro diameter with outserts. They happen to be new arrows build for someone else and are now available for me to purchase.  I壇 like some advice about which I should buy. My maximum accurate hunting range is usually about 45 yards.

Option A:  402 grains and shoot at 273 FPS
Option B:  489 grains and shoot at 251 FPS

Any advice about which I should pick would be much appreciated. I値l need to decide by tomorrow afternoon.  Thanks.

Offline jrebel

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Re: Help picking elk arrows - 2 options
« Reply #1 on: July 15, 2019, 05:30:59 PM »
I personally like the heavier arrow weights.  I would opt for 22 fps slower with 20% more weight.  HEAVIES ALL THE WAY. 

Offline mburrows

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Re: Help picking elk arrows - 2 options
« Reply #2 on: July 15, 2019, 05:42:44 PM »
What's your draw length and weight? What's the spine of each arrow?

Online huntnfmly

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Re: Help picking elk arrows - 2 options
« Reply #3 on: July 15, 2019, 06:16:00 PM »
I personally like the heavier arrow weights.  I would opt for 22 fps slower with 20% more weight.  HEAVIES ALL THE WAY. 
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Offline Logan80

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Re: Help picking elk arrows - 2 options
« Reply #4 on: July 15, 2019, 07:29:55 PM »
I知 getting some arrows that will be used for elk hunting. I知 looking at two options, both are prebuilt and ready to go, and have a similar micro diameter with outserts. They happen to be new arrows build for someone else and are now available for me to purchase.  I壇 like some advice about which I should buy. My maximum accurate hunting range is usually about 45 yards.

Option A:  402 grains and shoot at 273 FPS
Option B:  489 grains and shoot at 251 FPS

Any advice about which I should pick would be much appreciated. I値l need to decide by tomorrow afternoon.  Thanks.

First you need to determine the energy those arrows deliver at the given FPS.

Option A: delivers ~66.5fpe
Option B: delivers ~68.4fpe

So for an ~8% loss in speed you've gained ~2.75% fpe.

Is it worth that to you? If so, go with Option B, hit about 2.75% harder, but travel 8% slower. In my fairly novice experience, I'd take the speed over the energy.

Feel free to correct me if I'm wrong on this...

Offline Randonee

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Re: Help picking elk arrows - 2 options
« Reply #5 on: July 15, 2019, 08:11:21 PM »
Thank you for the replies.  A bit more info as requested.  The spine of each option is 350. Arrow length is 27.5, draw length is 28, and bow poundage is 66 lbs.

Offline jrebel

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Re: Help picking elk arrows - 2 options
« Reply #6 on: July 15, 2019, 08:26:52 PM »
Here is a good calculator that explains why heavy is good......"penatration" is everthing for bigger game like elk. 

https://www.realtree.com/kinetic-energy-and-momentum-calculator

Online huntnfmly

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Re: Help picking elk arrows - 2 options
« Reply #7 on: July 15, 2019, 08:29:20 PM »
It's not just speed or kinetic energy it's momentum that carries the day with heavy arrows
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Offline Randonee

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Re: Help picking elk arrows - 2 options
« Reply #8 on: July 15, 2019, 08:58:54 PM »
Here is a good calculator that explains why heavy is good......"penatration" is everthing for bigger game like elk. 

https://www.realtree.com/kinetic-energy-and-momentum-calculator

Well, the calculator says the heavier arrow is good for elk, and the lighter arrow is good for whitetail.  I think I値l go with the heavier option.

Offline Crunchy

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Re: Help picking elk arrows - 2 options
« Reply #9 on: July 15, 2019, 10:38:52 PM »
I would go with option A.  A 400 grain arrow with a 66lb bow weight will kill all the elk I have ever seen.  I would sacrifice a little weight 87 grains, for a little flatter shooter.  I shot a 430 grain arrow and killed ever elk I ever shot at.  I dont think if I added 50 grains to my arrow the elk would have been any more dead.

Offline mburrows

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Re: Help picking elk arrows - 2 options
« Reply #10 on: July 16, 2019, 05:15:28 AM »
Id probably go with the heavier option as it will be easier to tune, it will be quieter and you'll get better penetration. Any other components on either of the options? Inserts, etc. Shooting 100gr heads on both?

Offline zwickeyman

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Re: Help picking elk arrows - 2 options
« Reply #11 on: July 16, 2019, 05:31:17 AM »
Huntnfmly is right. "Momentum"

Kinetic energy is useless info for arrows. Momentum is the key to penetration

Offline SGTDuffman

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Re: Help picking elk arrows - 2 options
« Reply #12 on: July 16, 2019, 05:37:52 AM »
I used that calculator and it said my setup would work for any game animal on the planet. I shoot 10-11gr/lb though. With compound or traditional. And fixed 2 blade single bevel heads.

Offline cougforester

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Re: Help picking elk arrows - 2 options
« Reply #13 on: July 16, 2019, 07:02:25 AM »
Think about what kind of terrain you may be hunting in. Thick and brushy on the coast, where you may need more weight and FOC to punch through a salmonberry leaf and still shoot true? Or over east where you've got much longer sight lines and less stuff to potentially hit but need to cover distance a bit quicker.

The difference in time to target between the two arrows at your max hunting range at 45 would, I assume, be pretty negligible. Because of that, I'd go with the heavier arrow largely because of these reasons.

Id probably go with the heavier option as it will be easier to tune, it will be quieter and you'll get better penetration. Any other components on either of the options? Inserts, etc. Shooting 100gr heads on both?


Offline Dhoey07

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Re: Help picking elk arrows - 2 options
« Reply #14 on: July 16, 2019, 07:06:06 AM »
Shoot both if you can and let your bow decide.  Both those options will kill elk.

 


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