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G1 vs G7

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  #8  
Unread 06-08-2011, 05:21 PM
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Re: G1 vs G7

Quote:
Originally Posted by Eaglet View Post
What vales are used for BC1 and BC7?
I could very well be doing something wrong.. To be honest I am new at the long range game.. I am just running the numbers through my Shooter App with my phone.. The G1 mode shows a BC of .431 ... For the G7 mode all that shows is the selection for that mode, the BC numbers don't show.. Like you said, there sure seems to be a big difference between the two..
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  •   #9  
    Unread 06-08-2011, 06:45 PM
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    Re: G1 vs G7

    As you can see below, up to 800 yards there's really no concern with vertical adjustment.

    trace1 = using G1
    trace2 = using G7

    BC for G7 was calculated by the program.

    G1 vs G7-g10g7.jpg
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    Last edited by Eaglet; 06-09-2011 at 07:20 PM.
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      #10  
    Unread 06-09-2011, 10:58 AM
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    Re: G1 vs G7

    BuckSnort,

    The large difference you're seeing between the two suggests there is something wrong with the calculation; there should not be that much of a difference. I suspect the program is using a G1 BC when it's running in 'G7 mode', or vise versa.

    What bullet are you using? I'll try to re-create your results in Shooter and help sort it out if I can.

    -Bryan
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      #11  
    Unread 06-09-2011, 05:45 PM
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    Join Date: Mar 2011
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    Re: G1 vs G7

    Quote:
    Originally Posted by bsl135 View Post
    BuckSnort,

    The large difference you're seeing between the two suggests there is something wrong with the calculation; there should not be that much of a difference. I suspect the program is using a G1 BC when it's running in 'G7 mode', or vise versa.

    What bullet are you using? I'll try to re-create your results in Shooter and help sort it out if I can.

    -Bryan
    Thank you for you're time.. I'm gonna be shooting 130 TSX @ 3100 (hopefully) I actually have not loaded them yet but my rifle shoots the 140 TSX good but I only have a few left so I figured I'd switch to the 130's for the higher BC..
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