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  1. L

    Range Report A SMALL CONTRIBUTION TO THE SHOOTING COMMUNITY

    Re: Version 2.0.0.0 is out!!!!!!!!! <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: bohem</div><div class="ubbcode-body">Eaglet, I was under the impression that Rt/R is Rt = Tangent Ogive Radius for a given Ogive length R = Actual Ogive radius IE. A perfectly...
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    Range Report A SMALL CONTRIBUTION TO THE SHOOTING COMMUNITY

    Re: Version 2.0.0.0 is out!!!!!!!!! I went to JBM Ballistics website and using the Drag/Twist Calculator I input the dimentions and properties of the JLK 75gr VLD and it produced an Rt/R of .539 and calculated a G7 BC of .214. This BC is exactly the same as the BC in Bryans book for the...
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    Range Report A SMALL CONTRIBUTION TO THE SHOOTING COMMUNITY

    Re: Version 2.0.0.0 is out!!!!!!!!! Awesome program Sir. Is there a formula to calculate the Rt/R ratio? I am trying to convert the G1 BC of a JLK 75gr VLD to G7 but I need that one piece to complete the puzzle.
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