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2224 Yards with the LRKM

 
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  #8  
Old 05-06-2012, 02:25 AM
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Re: 2224 Yards with the LRKM

Shawn that is amazing, Very nice call on the wind.

Still that is pretty Jaw dropping.
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  #9  
Old 05-06-2012, 06:06 AM
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Re: 2224 Yards with the LRKM

Shawn,

Great update and some nice shooting.
The B.C. numbers sound accurate to me although my banded numbers are slightly different resulting in about 1.4 moa less elevation at 2200 yards.
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  #10  
Old 05-06-2012, 08:20 AM
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Re: 2224 Yards with the LRKM

It is funny I have 3 different ballistics programs if you enter in all the same conditions etc they will all give you 3 slightly different answers. They will all work but require slight tweeking to get them dialed in to your system. Out to about 1500-1600 they are all exactly the same. I guess that was my whole point of this thread you just have to be dialed in at these ranges there is no room for error at all. It will be interesting to see how this holds up at 2500+ yards.
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  #11  
Old 05-06-2012, 09:36 AM
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Re: 2224 Yards with the LRKM

Shawn,
It is interesting how the banded B.C. numbers get much lower as the velocity reduces. My derived G1 and G7 B.C. numbers also do this but are slightly different in the lower bands.
As I shoots at near sea level and you shoot at a much higher elevation do you think that the programs air pressure corrections could explain why we come up with a slightly different set of numbers. This is particularly obvious in the lower velocity bands.
Given your finding with the three different programs this might be part of the reason?
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Old 05-06-2012, 07:11 PM
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Re: 2224 Yards with the LRKM

If you are just a little off in the first band with either the BC or the velocity limit, then you enter the second band needing to catch up and if you do not catch up with either the BC or lower velocity limit then you are really in a major bind by the time you get to the third band.

My personal problem is that I hate to reduce the BC low enough in the first band because I do not wish to believe that the bullet I am shooting has such a low BC. I really like to live in a fantasy land where my bullets have super high BCs.

Here is a picture with the problem that I encountered when I would not lower the first band BC enough and stretched the lower velocity limit too far. Out to 1200-1300 yards I am seldom off by very much, but at the longer ranges things come unglued.
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2224 Yards with the LRKM-bc-bands.jpg  
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  #13  
Old 05-06-2012, 08:11 PM
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Re: 2224 Yards with the LRKM

Shawn. Do you know if anyone has used doppler radar on these new Bergers yet?
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  #14  
Old 05-06-2012, 10:13 PM
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Re: 2224 Yards with the LRKM

I am not sure but I thought Litz might have.
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