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Long range first hit mathematical forumulas

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  #15  
Unread 09-17-2005, 12:14 PM
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Join Date: Sep 2005
Location: Kalifornicated
Posts: 383
Re: Long range first hit mathematical formulas

[ QUOTE ]
BB question....

out here humidity deosn't play in as a factor we are dry as a bone..
I am wondering though....lets say we take our rifles to Alabama and humidity is 95% I think it would affect the trajectory.. no?

[/ QUOTE ]

It does effect it, but if I remember right it is less than, or about, an inch at 1000 yards.
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  •   #16  
    Unread 09-17-2005, 02:48 PM
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    Join Date: Jul 2002
    Location: Orange,TX U.S.A.
    Posts: 59
    Re: Long range first hit mathematical formulas

    I have Horus Vision scopes on all my long range rifles. Using there program in my palm along with a Kestrel I manage to save the few brain cells I have left.
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      #17  
    Unread 09-22-2005, 09:18 PM
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    Join Date: Nov 2004
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    Re: Long range first hit mathematical formulas

    If you just have to have some math to do... here Is a thread I started on wind angles. In here is the math for calculating windage values for oblique, and other wind angles...
    http://longrangehunting.com/ubbthreads/s...=true#Post62421
    But in all honesty, I usually go afield with my palm... and backup laminated come up cards.
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      #18  
    Unread 09-22-2005, 11:11 PM
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    Join Date: Nov 2004
    Location: GF Montana
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    Re: Long range first hit mathematical formulas

    From my hero Daniel Lilja[ QUOTE ]
    <font color="purple"> [b] As an aside, many people think that humidity has an effect on air density, and it does. But itís effect is really insignificant (no more than 1%) and in the opposite direction of what is commonly thought. That is, the more water there is in the air, the less dense that parcel of air is. Ö It is for that very reason that clouds float and steam rises.
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      #19  
    Unread 09-23-2005, 11:10 AM
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    Join Date: Sep 2005
    Location: Shoshoni, WY
    Posts: 143
    Re: Long range first hit mathematical formulas

    Newbie here and first post. I guess I have a lot to learn. Based upon the information given, my ability, code of ethics, and gear; I wouldn't take the shot. There are just too many variables. Those variables, in combination with the accuracy of my rifle and my hold, have too high a probability of crippling the animal.
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      #20  
    Unread 09-23-2005, 02:38 PM
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    Join Date: Jan 2003
    Location: South Eastern Oklahoma
    Posts: 103
    Re: Long range first hit mathematical formulas

    If you don't have a palm and Exbal program you can go to JBM's website and type in the hunting conditions elev., temp, pressure, etc. I have always had good luck and always been on target, I like to always confirm real world Zero's(100,300,500,700 yds) on hunting location before getting serious about killing game.
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      #21  
    Unread 09-23-2005, 02:49 PM
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    Join Date: Dec 2002
    Location: Norway
    Posts: 126
    Re: Long range first hit mathematical forumulas

    I'm on "manual exbal". But I've pre-done all the calculations for the separate variables in desirable gradiations. Read from standard atmosphere comeup, then read temperature/ airpressure and the corresponding correction this involves to standard. The math involved is probably the same as you do as US/British/Norwegian training is drafted from the same blueprint.
    It works.
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