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Old 06-09-2018, 06:52 PM   #1
RJH1
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Default Fun Penetration experiment

I did a little testing just for fun, not science, so take from it what you like.

The target was a morrel's broadhead target. Broadheads were 125 stingers 2 blades with 100 grain inserts. Both arrows were gold tip carbons going right at 180fps. Arrow 1 weighed 540 grains and arrow 2 weighed 725 grains. Arrow 2 consistantly shot 4-5" deeper in the target and right about 18" total depth.

I know arrow 1 will zip through deer and pigs like a hot knife through butter, but have not shot any live critters with arrow 2
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Old 06-09-2018, 07:09 PM   #2
tradtiger
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Nice.

What are the bow specs?
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Old 06-09-2018, 07:35 PM   #3
Big Russ
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Guess I should have known this was about bows and arrows!!
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Old 06-09-2018, 07:39 PM   #4
Ronnie
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Quote:
Originally Posted by Big Russ View Post
Guess I should have known this was about bows and arrows!!
How you figure that?

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Old 06-09-2018, 07:50 PM   #5
kruppa24
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Nothing like fun penetration
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Old 06-09-2018, 08:06 PM   #6
RJH1
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Originally Posted by tradtiger View Post
Nice.

What are the bow specs?
Arrow one I use off a Martin hunter (and several other bows) that are around #61 at my draw and arrow 2 is off an Obrien recurve that is about #75 at my draw.

So 8.9 and 9.6 Gpp respectively but also the heavy arrow has less foc
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Old 06-09-2018, 10:29 PM   #7
cuttingedge
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I did a lot of fun penetration experiments when I was younger
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Old 06-09-2018, 10:30 PM   #8
Bryan2014
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Wasn’t sure what I’d find opening up this thread.
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Old 06-09-2018, 10:34 PM   #9
RickBarbee
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Quote:
Originally Posted by RJH1 View Post
Arrow one I use off a Martin hunter (and several other bows) that are around #61 at my draw and arrow 2 is off an Obrien recurve that is about #75 at my draw.

So 8.9 and 9.6 Gpp respectively but also the heavy arrow has less foc
And there ya go.

Old Fred Bear had it right a long time ago. Get them arrows from 9 to 10 gpp, or anywhere in between.

Rick
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Old 06-09-2018, 11:03 PM   #10
DRT
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Yeah I think there is a sweet spot in that range.

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Old 06-13-2018, 09:01 AM   #11
Shaunta
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Nothing like fun penetration
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Old 06-13-2018, 09:39 AM   #12
KenWood
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.
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Old 06-13-2018, 09:41 AM   #13
Texastaxi
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I can't recall any penetrations, in my life, that weren't fun!
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Old 06-13-2018, 09:50 AM   #14
wloftis
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Had to open this post; wasn't sure what to expect.
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Old 06-13-2018, 09:52 AM   #15
Cooper
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LMAO....post titles!!
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Old 06-13-2018, 10:21 AM   #16
SwampRabbit
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Old 06-13-2018, 10:26 AM   #17
Bigdaddy
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This is going south fast
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Old 06-13-2018, 01:52 PM   #18
Briar Friar
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Not to be negative nancy...but shooting a heavier arrow from a heavier draw bow versus shooting a lighter weight arrow from a lighter draw bow...doesnt seem like a good comparison. Scientific or not.

I feel your excitement though. Penetrating deeper for fun...aint boring.. Thanks for sharing RJH1.
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Old 06-13-2018, 03:34 PM   #19
RJH1
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Quote:
Originally Posted by Briar Friar View Post
Not to be negative nancy...but shooting a heavier arrow from a heavier draw bow versus shooting a lighter weight arrow from a lighter draw bow...doesnt seem like a good comparison. Scientific or not.

I feel your excitement though. Penetrating deeper for fun...aint boring.. Thanks for sharing RJH1.
How is it not good? Obviously the heavier arrow from the heavier bow should penetrate more, how much more was figured out, at least in these unscientific test parameters, not just supposing to ourselves on the internet. I was never trying to prove equality, really just testing broadhead flight and noticed the pronounced difference

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Old 06-13-2018, 04:12 PM   #20
SwampRabbit
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I guess what Briar was getting at, and essentially what you said. It's obvious. A heavier arrow out of a heavier bow should do exactly what you said it did... penetrate more than a lighter arrow out of a lighter setup.

Most people who want to talk penetration, for whatever reason, are trying to argue that a heavier arrow, traveling slower, out of the same bow setup, results in better penetration than a lighter arrow flying through the air faster.
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Old 06-13-2018, 05:59 PM   #21
RJH1
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Quote:
Originally Posted by SwampRabbit View Post
I guess what Briar was getting at, and essentially what you said. It's obvious. A heavier arrow out of a heavier bow should do exactly what you said it did... penetrate more than a lighter arrow out of a lighter setup.

Most people who want to talk penetration, for whatever reason, are trying to argue that a heavier arrow, traveling slower, out of the same bow setup, results in better penetration than a lighter arrow flying through the air faster.
Then they can test it haha
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