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sweet free balistic calculator, with MOA and mil's

 
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  #1  
Old 10-05-2004, 02:31 PM
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Location: USA, ohio
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sweet free balistic calculator, with MOA and mil\'s

http://www.nfa.ca/nfafiles/cfjarchiv...cscomputer.xls

you need excell to use...
if u have pocket PC with excel, it should work on there also...
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FREE Ballistic calculator & Printable targets.

http://sites.google.com/site/freeballisticcalculator/
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  #2  
Old 10-05-2004, 03:01 PM
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Join Date: Jun 2004
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Re: sweet free balistic calculator, with MOA and mil\'s

I think it has a couple of flaws. I punched in data for a 200 grain boat tail. As I increased the zero range from 200 yds to 260 in 10 yard increments it would jump the other trajectory numbers up and down, it didn't plot right. Maybe I was seeing things but it didn't compute right when I tried it.
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Old 10-05-2004, 04:48 PM
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Re: sweet free balistic calculator, with MOA and mil\'s

Ring,

Are you the author of this program? If so, I've found a few bugs I posted on the other thread.

If you're the author, email me, I'd like to ask you a few questions on your calculations.

Thanks
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Mathew 5:16

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Old 10-05-2004, 06:13 PM
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Re: sweet free balistic calculator, with MOA and mil\'s

Here's another one on that site. I worked on this one a few years back and I have a few updates to it if you want.
http://www.nfa.ca/nfafiles/cfjarchiv...cscomputer.xls

Pete Cronhelm was my original source for the spreadsheet (the version listed in the first post of this thread). He and I spent a few good months playing with the thing, a good diversion.

I'm also working on one that's in Visual Basic (very small) but it'll be a while before it's released.
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Old 10-05-2004, 06:21 PM
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Re: sweet free balistic calculator, with MOA and mil\'s

Jaeger476

There's a little problem when the Range Increment is not evenly divisible by the Zero Range. This is a result of the "step" method used to calculate the trajectory data.

As you changed the Zero Range from 260 to 200 you stressed/broke the design limitiation of the "evenly divisible by the range increment" model. Programmers like to think of these things as "undocumented features" rather than "flaws or limitations".

The Visual Basic one I'm building does NOT have such a problem. You can use a range increment of 1 yard and tell it to calculate to 4000 yards (must stay supersonic... an "undocumented feature") if you want, Zero range can be any range in that spread.
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  #6  
Old 10-05-2004, 06:37 PM
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Re: sweet free balistic calculator, with MOA and mil\'s

no im not..
main site is here with his contact info..
http://www.nfa.ca/nfafiles/cfjarchiv...computers.html

if you have a fix for any errors, i would not mind seeing them so i can fix my sheet though [img]images/icons/smile.gif[/img]

[ 10-05-2004: Message edited by: Ring ]
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FREE Ballistic calculator & Printable targets.

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  #7  
Old 10-05-2004, 08:38 PM
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Location: McKinney TX
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Re: sweet free balistic calculator, with MOA and mil\'s

Dave,

How far a long are you on your new program? If you would like someone to demo it, keep me in mind.

Also, I would like the update if you can send it to me.

Thanks

[ 10-05-2004: Message edited by: Jeff In TX ]
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Mathew 5:16

Distance is not an issue, but the wind will make it interesting!
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