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Rifle Groups #1116655 12/19/09 09:36 PM
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DLALLDER Online Content OP
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I know this is a difficult question because of so many variables but "How much do you think a windy day (10-15mph with 20mph gusts) will affect your groups using the same ammo and gun as on a calm day. Do you think the wind will have a greater effect on the bullet or on the shooter or both. If a person can shoot a 1" group on a calm day what do you think he would do on a day as described above?





Re: Rifle Groups [Re: DLALLDER] #1116818 12/19/09 11:10 PM
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It depends on the direction of the wind. For instance, if it is hitting you in the back and you're shooting down into a valley the wind will only affect you.

I try to wait till the gust is over before shooting, but if I have to shoot during the gusts I'm very cautious on the distance and where I intend to place the bullet.

Hope I was of some help to ya.


Re: Rifle Groups [Re: Texas Proud] #1116981 12/20/09 12:50 AM
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bdotson Offline
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need more information what load what bullet,velocity,wind direction,and distance of the shot. Wind always has a effect always


Re: Rifle Groups [Re: bdotson] #1116988 12/20/09 12:54 AM
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Distance?


Re: Rifle Groups [Re: DLALLDER] #1117067 12/20/09 01:41 AM
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Slow Drifter Online Content
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10-15 with 20mph gusts? Do you really expect a serious answer to this question? The only correct answer is "it'll effect your group about as much as that kind of wind can," unless it's a trick question and you're shooting inside. There are literally volumes written on this exact scenario. Going out and shooting in it is the only way to find out. I wish I had the magic answer, then I'd be a millionaire gunwriter. Anyone who even attempts to answer that question with a definite answer is definitely blowing smoke up your netherlands. It's kind of like fly casting...Everything works great when you practice in your back yard on perfect days. Then you finally get your one day on that blue ribbon trout stream with a 15mph wind knocking down your back-cast....dang, life sucks that way some times.



"I have no idea what WW-III will be fought with, but WW-IV will be fought with sticks and stones."

A. Einstein

Re: Rifle Groups [Re: Slow Drifter] #1118011 12/20/09 07:41 PM
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The best answer I can give you , is to go buy some books by Wayne Van Zwoll. He has discussed this alot in the past. Wind drift can be "predicted" given that the environment is steadily the same way. Gusts can throw you a curve ball though. Just shoot alot, in different cicumstances. Practice, and DOCUMENT IT. I do know that bullets with a higher ballistic coefficient tend to be affected by wind drift less. Bullets on the heavier end in a given caliber seem to be the best bet since they have the higher BC. Such as 150 gr in .270, or 180 gr in 30-06. Practice in the wind @ different directons, and learn to compensate.


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