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Enough??

 
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  #1  
Old 03-19-2013, 07:13 PM
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Join Date: Dec 2011
Location: Vandergrift PA
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Enough??

Shooting Ground hogs, Whitetail, Yotes, and Crows. Ran out my ballistics charts.
What would the cut off of (power be) Will I be ok if I stay above 550ft/lbs?
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  #2  
Old 03-19-2013, 10:17 PM
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Join Date: Jan 2013
Location: Nebraska
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Re: Enough??

Quote:
Originally Posted by dragman View Post
Shooting Ground hogs, Whitetail, Yotes, and Crows. Ran out my ballistics charts.
What would the cut off of (power be) Will I be ok if I stay above 550ft/lbs?
Yes, no, maybe, yes

What are you shooting? What bullet? More info is always good on this site
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  #3  
Old 03-20-2013, 05:20 AM
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Re: Enough??

6.5 hunting vld
140 grain

I thought the 550 should be close, as my friend only hand gun hunts with his .357 and has taken deer out to 75 yards.
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Old 03-20-2013, 06:19 AM
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Re: Enough??

Personally I only consider energy as far as it takes given amount at the tip of a bullet to get it to open.
For those bullets an impact velocity of 1800 fps seems to be recommended for the lower threshold for them to reliably open. That would translate to around 1050 ft/lbs.
I have not proved that to be true or false as that would be about an 1100yd shot from my rifle, and I'm not there yet.
Cliff
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Old 03-20-2013, 08:25 AM
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Re: Enough??

That is a very good point. I will have to take it to the drawing board and see what kind of results I can get.

thanks
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  #6  
Old 03-20-2013, 10:53 AM
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Re: Enough??

I'm with Cliff on this one. The design of a .357 hollow point allows it to open and mushroom effectively at those low velocities. The VLD's design is way different. 1800 ft/s is the published minimum velocity for them. I'm looking at the same things to find the maximum effective range for my 7mm RM.

I'm sure it will kill a deer at the lower velocity, but a marginal shot may mean a wounded deer getting away.

Best of luck!
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  #7  
Old 03-20-2013, 11:23 AM
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Re: Enough??

I think I will stick around that 1800fps number for the whitetail.
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