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crosswind affects drop

 
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  #8  
Old 08-18-2009, 02:04 PM
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Re: crosswind affects drop

Knew this one would generate some discussion. I too thought that 1/4 drift sounded awfully high. Not sure if T.D. is still around, but if I remember correctly, he referenced a book called "The art of War" by John somebody? Also, as someone mentioned, it would then stand to reason that a right to left wind would lessen drop. It sure seems like if this were true, there would be a lot more out there in support. Otherwise, nobody would hit anything.......Rich
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  #9  
Old 08-18-2009, 03:29 PM
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Re: crosswind affects drop

in a right hand twist barrel with a left to right wind the bullet will climb down the wind slightly and in a right to left wind the bullet will climb up the wind but the effect is one eighth to one quarter minute of angle in??? 10ish mph wind not a quarter of drift value! shawn carlock mentioned this in one of the articles here on the LRH boards- hmm just searched its 2paragraphs up from the drawn diagram Reading The Wind
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Last edited by 300ECHO; 08-18-2009 at 03:33 PM. Reason: added
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  #10  
Old 08-18-2009, 03:33 PM
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Re: crosswind affects drop

Quote:
Originally Posted by Boss Hoss View Post
The bottom line is when competing at 1K if you do not know how to judge condition you do not win----fact plain and simple. Shooting at an anmial if you do not know how to judge condition at long range is nor responsible. People who struggle with the wind make it easier for me to beat them. Personally I hate shooting a match in calm or close to calm conditions.
So you were talking match competition. That was the furthest thing from my mind. When I'm hunting, the environmental elements are my competition, and the wind has never been my friend - ballistically speaking.

The wind always wins if it gets knarly enough. I shot one brown bear in 70 mph cross-winds on Kodiak Island, with gusts exceeding 90 mph based on the wind meter mounted on a commercial fishing boat anchored back in a saltwater bay. The first shot missed, not because of bullet drift, but because of rifle drift. I was laying down, rifle rested on pack, and the wind gusts buffeted the rifle to the point that bullet drift was the least of my concerns. This wasn't long range - to avoid any ethics complaints. About 125 yds. It was tough enough to keep the rifle from being blown off the pack, let along draw a steady zero on the bear. Unfriendly conditions.

The bear was oblivious to the wind. He had a hard time reacting to the first missed shot because the background wind noises made it difficult to determine if there was any unusual noise, let alone the source of it.
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  #11  
Old 08-18-2009, 03:40 PM
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Re: crosswind affects drop

elkaholic, phorwath, mike see my post above=)
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  #12  
Old 08-18-2009, 05:33 PM
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Re: crosswind affects drop

I Read Shawns article which really helped. That makes a lot more sense to me than what I had previously heard. Thanks Echo......Rich
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Old 08-18-2009, 06:34 PM
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Re: crosswind affects drop

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Originally Posted by 300ECHO View Post
elkaholic, phorwath, mike see my post above=)
Thanks for the reference to that post. I had previously read that article by Shawn, and articles by others also, that described the slight effect of crosswinds on verticle POI. I knew the affect was small enough to be disregarded, and I've never seen anyone attempt to mathematically model or predict it for practical application, even for the longest of long-range hunting shots. The effect is so slight that it would be lost in the background noise of all the other more significant parameters, parameters that can be predicted to help ensure first-shot hits on long-range targets.
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  #14  
Old 08-19-2009, 08:10 AM
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Re: crosswind affects drop

A 8 o'clock condition will put you at 2' o'clock. Very simple.
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