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#1548642 - 03/04/10 07:43 PM Energy to kill a coyote
yoteaddict Offline
Seasoned Member

Registered: 03/08/09
Posts: 219
What is the least amount of energy needed to kill a coyote? I see a 52 gr. bullet traveling at 3500 muzzle, has 225 lbs at 600 yards.

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#1548651 - 03/04/10 07:49 PM Re: Energy to kill a coyote [Re: yoteaddict]
podunkcowboy Offline
Seasoned Member

Registered: 02/09/10
Posts: 362
Loc: central florida
figures show 210 lbs to break a bone and 160 lbs to break skin

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#1548659 - 03/04/10 07:55 PM Re: Energy to kill a coyote [Re: podunkcowboy]
TA17rem Offline
Die Hard Member II

Registered: 05/31/07
Posts: 1895
Loc: Minn.
tt2


Edited by TA17rem (03/23/10 01:17 AM)

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#1548703 - 03/04/10 08:21 PM Re: Energy to kill a coyote [Re: yoteaddict]
Yotecallr Online
Die Hard Member III

Registered: 05/01/01
Posts: 2421
Loc: Central Iowa
How much energy does a bullet have when it is rotating at 270,000 rpms a second when it explodes inside a 40 lb coyote? The fragments travel and destroy organs.

http://accurateshooter.wordpress.com/2008/06/03/calculating-bullet-rpm-spin-rates-and-stability/
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#1548804 - 03/04/10 09:15 PM Re: Energy to kill a coyote [Re: Yotecallr]
deadhorse Offline
Die Hard Member

Registered: 10/23/04
Posts: 854
Loc: Marion KS
270,000 rpms a second

Acutally it's 270,000 revolution per minute, not rpm per second. Not trying to nitpick, just offering what little I know.

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#1548807 - 03/04/10 09:18 PM Re: Energy to kill a coyote [Re: deadhorse]
gkempf Offline
Seasoned Member

Registered: 02/19/07
Posts: 162
Loc: Keokuk co. Iowa
I dont know if its right but I have heard you wanna have three times what the animal weighs, so a 35lb. coyote you wanna have 105lbs of knockdown power. Dont know if its accurate or knot but that's what I have heard.

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#1548835 - 03/04/10 09:30 PM Re: Energy to kill a coyote [Re: deadhorse]
Yotecallr Online
Die Hard Member III

Registered: 05/01/01
Posts: 2421
Loc: Central Iowa
Correct, my error.
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#1548853 - 03/04/10 09:42 PM Re: Energy to kill a coyote [Re: Yotecallr]
jj1980 Online
Seasoned Member

Registered: 02/12/10
Posts: 321
Loc: Weatherford, Oklahoma,USA
I dont think you could say "least amount of energy" it would depend on distance and shot placement on how much force is required for a kill. You could get into the whole is it a humane kill or not? You can kill a coyote with a 17hmr but if your distance and shoot placement are not right then it might take him a good amount of time to die and your probably not cominig home with fur in hand!
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#1548880 - 03/04/10 10:01 PM Re: Energy to kill a coyote [Re: jj1980]
podunkcowboy Offline
Seasoned Member

Registered: 02/09/10
Posts: 362
Loc: central florida
Those figures I posted were read in a medical text i picked up somewhere. That was information on humans, I figure it cant be too far from the same in most thin skinned game.

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#1548886 - 03/04/10 10:03 PM Re: Energy to kill a coyote [Re: podunkcowboy]
podunkcowboy Offline
Seasoned Member

Registered: 02/09/10
Posts: 362
Loc: central florida
What troubles me is that doesnt account for other ballistic factors, not saying those figures were correct just throwin it out there.

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#1549554 - 03/05/10 05:06 PM Re: Energy to kill a coyote [Re: podunkcowboy]
TripleDeuce660 Offline
Die Hard Member III

Registered: 11/10/08
Posts: 2269
Loc: Garbage Grove California
300 ft lbs. for clean ethical kills.

So that means no 22lr at all

a 22mag has about 300 at the muzzel.

however we all know a 22mag can kill out to about 100 yards but as many will point out your going to have runners. Not exactly ideal.

A whitetail deer they say its 700 ft lbs.

Cottontail rabbit is rediculous its like 6ft lbs if I remember correctly.

Bullet design and terminal performance is obviously important. You could have alot of power but if the bullet splashes on the surface its no bueno.


Edited by TripleDeuce660 (03/05/10 05:08 PM)
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#1549613 - 03/05/10 06:04 PM Re: Energy to kill a coyote [Re: TripleDeuce660]
howards Offline
Seasoned Member

Registered: 06/14/05
Posts: 189
Loc: Ill.
300 pound man need 900 pounds to stop....will the old 45 ACP now out.

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#1550265 - 03/06/10 10:45 AM Re: Energy to kill a coyote [Re: howards]
water4545 Offline
Seasoned Member

Registered: 11/20/09
Posts: 174
Loc: N. Idaho
The old 45 ACP will never be out. I've seen what it does to a large human. Ain't pretty.
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#1550278 - 03/06/10 11:01 AM Re: Energy to kill a coyote [Re: water4545]
stevelyn Offline
Seasoned Member

Registered: 02/19/06
Posts: 130
Loc: Fairbanksan in Aleutian [beeep...
Energy doesn't kill. Holes in vital organs do. If you put the holes in the right place it will die.
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#1550404 - 03/06/10 01:11 PM Re: Energy to kill a coyote [Re: stevelyn]
yotehunter57 Offline
Die Hard Member III

Registered: 12/19/09
Posts: 2425
Loc: Arkansas
Oh heck, I thought you was asking if I had enough energy to get off computer and kill a coyote. YES!
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