Walk softly, and carry a BIG gun...

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XMEN Gambit
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Walk softly, and carry a BIG gun...

Post by XMEN Gambit »

<!--EZCODE QUOTE START--><blockquote><strong><em>Quote:</em></strong><hr>Three ounces of Pyrodex, an old garage-sale-special bowling ball, an old chair and some sewer pipe... <br><br><!--EZCODE BOLD START--><strong><!--EZCODE LINK START--><a href="http://www.docsmachine.com/nonPB/mortar.html" target="top">HOLY FREAKING BATTLESHIP MISSOURI!</a><!--EZCODE LINK END--></strong><!--EZCODE BOLD END--><br><br>What's the Hatcher's Index of a projectile weighing fifty-thousand grains moving at 400 fps? "Body armor" against this thing is eight feet of dirt over a concrete bunker!<br><hr></blockquote><!--EZCODE QUOTE END--><br><br><!--EZCODE EMOTICON START :rollin --><img src=http://www.ezboard.com/images/emoticons/roll.gif ALT=":rollin"><!--EZCODE EMOTICON END--> <p></p><i></i>
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Scorch
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Re: Walk softly, and carry a BIG gun...

Post by Scorch »

ok for tnhose of us who are projectial armor knowledge deficent, what is the hatchers index?<br><br>and I assume fps = feet per second? <p></p><i></i>
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XMEN Gambit
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Re: Walk softly, and carry a BIG gun...

Post by XMEN Gambit »

I don't really know - I assumed it was a function of the mass & speed of a projectile.<br><br>And yes, fps = feet/sec, not frames/sec. <!--EZCODE EMOTICON START ;) --><img src=http://www.ezboard.com/images/emoticons/wink.gif ALT=";)"><!--EZCODE EMOTICON END--> <br><br>*couple minutes later* <br><br>Hmm - found a reference or two to it on the web. Seems to be a measurement of a bullet's stopping power, which would indeed be a function of mass & speed. Most likely a scaled numeric system to make expressing such numbers more simple than using the old f=ma formula. Didn't find an exact definition or example, though. <p><!--EZCODE IMAGE START--><img src="http://www.xmenclan.org/xmengambit.gif"/><!--EZCODE IMAGE END--><br>XMEN member<br>Card-carrying DTM<br>OKL Fish-napper<br><br>Though a program be but three lines long, someday it will have to be maintained.<br><!--EZCODE ITALIC START--><em> The Tao of Programming</em><!--EZCODE ITALIC END--></p><i></i>
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