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How much wind, is to much?
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<blockquote data-quote="4xforfun" data-source="post: 792376" data-attributes="member: 9172"><p>Gotta KINDA disagree on one of your statements...shooting directly into or away from the wind. HUGE mistake. Try shooting a 10 shot string into a 20 mph headwind that may switch from say 5 oclock to 7 oclock...which is pretty much an un noticeable switch....and very common!!! I would rather shoot in a strait cross wind that swithches from 20 to 30 mph....you can at least feel that change and make some alowances for it. The difference in impact points moves TWICE the amount in the slight headwind switch situation.</p><p> </p><p>Example...300 Berger at 2800 fps</p><p> </p><p>A 10 mph increase in wind velocity and a 9:00 or 3:00 wind yealds an impact switch of 4.4 moa. You should be able to catch at least half of that push (or let off)...we are talking about a 50% increase (or decrease) in wind velocity.</p><p> </p><p>A DIRECTION change from 5:00 to 7:00 yealds an impact switch or 8.8 MOA...from 4.4 L to 4.4 right!!! That is an 8.8 MOA difference!!!! Even if your switch is a 5:30 / 6:30 switch the impact numbers don't change that much...you would think that they would change by half, but the change is minamal....I can't do the calcs because my I6 program has a glitch in it.....it shows a 3.7 R moa with a 6:30 wind, and only a 0.8 MOA Left with a 5:30 hold...somthing is amiss with my program. We know that if a 6:30 wind yealds a 3.7 moa movement that a switch in the oppisate direction would yeald the same amount in the oppisaste direction..........For a total of 7.4 MOA difference in a 5:30 / 6:30 situation!! Again...nearly double the movement of the 10 MPH switch at 9:00 or 3:00.</p><p> </p><p>Nope, give me big switches and a STRAIT CROSS WIND any day!!</p><p> </p><p>And, for those saying "yah, but what about a switch from 8:00 to 10:00. Not that big of a deal...about 1 MOA!!</p><p> </p><p>Just my .02,</p><p>Tod</p></blockquote><p></p>
[QUOTE="4xforfun, post: 792376, member: 9172"] Gotta KINDA disagree on one of your statements...shooting directly into or away from the wind. HUGE mistake. Try shooting a 10 shot string into a 20 mph headwind that may switch from say 5 oclock to 7 oclock...which is pretty much an un noticeable switch....and very common!!! I would rather shoot in a strait cross wind that swithches from 20 to 30 mph....you can at least feel that change and make some alowances for it. The difference in impact points moves TWICE the amount in the slight headwind switch situation. Example...300 Berger at 2800 fps A 10 mph increase in wind velocity and a 9:00 or 3:00 wind yealds an impact switch of 4.4 moa. You should be able to catch at least half of that push (or let off)...we are talking about a 50% increase (or decrease) in wind velocity. A DIRECTION change from 5:00 to 7:00 yealds an impact switch or 8.8 MOA...from 4.4 L to 4.4 right!!! That is an 8.8 MOA difference!!!! Even if your switch is a 5:30 / 6:30 switch the impact numbers don't change that much...you would think that they would change by half, but the change is minamal....I can't do the calcs because my I6 program has a glitch in it.....it shows a 3.7 R moa with a 6:30 wind, and only a 0.8 MOA Left with a 5:30 hold...somthing is amiss with my program. We know that if a 6:30 wind yealds a 3.7 moa movement that a switch in the oppisate direction would yeald the same amount in the oppisaste direction..........For a total of 7.4 MOA difference in a 5:30 / 6:30 situation!! Again...nearly double the movement of the 10 MPH switch at 9:00 or 3:00. Nope, give me big switches and a STRAIT CROSS WIND any day!! And, for those saying "yah, but what about a switch from 8:00 to 10:00. Not that big of a deal...about 1 MOA!! Just my .02, Tod [/QUOTE]
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How much wind, is to much?
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