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How much wind does it take?
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<blockquote data-quote="RonS" data-source="post: 1423585" data-attributes="member: 68613"><p>I'd recommend "<span style="font-size: 22px"><strong>The Wind Book For Rifle Shooters</strong></span>". It articulates the principals fairly clearly. A force acting upon the object in flight does change the trajectory and according to physics the object in motion will continue in that motion unless acted upon by another force. The motion caused by the wind is the addition of lateral motion to the already existing forward motion. That lateral motion will continue unless a force (wind) from the opposite direction acts upon the object. In other words, there is no such thing as lateral displacement except in conditions where opposite forces are encountered. Misreading the near wind when shooting at 1000 yards is the best way to find this out the hard way. The general recommendation from the more experienced wind readers is to gauge the near wind and compensate based on what the conditions are down range. The hard part being gauging the wind and reading the conditions down range. That's where science becomes art absent the presence of scientific instruments to tell us what is happening. Flags can only tell us so much and they often are not positioned at sufficient intervals to provide an accurate indicator. Mirage can tell us what is going on if it is present and depending on where along the course one is reading the mirage. If reading it at the target, it may or may not reflect what is going on along the rest of the course. Usually not in my experience.</p></blockquote><p></p>
[QUOTE="RonS, post: 1423585, member: 68613"] I'd recommend "[SIZE=6][B]The Wind Book For Rifle Shooters[/B][/SIZE]". It articulates the principals fairly clearly. A force acting upon the object in flight does change the trajectory and according to physics the object in motion will continue in that motion unless acted upon by another force. The motion caused by the wind is the addition of lateral motion to the already existing forward motion. That lateral motion will continue unless a force (wind) from the opposite direction acts upon the object. In other words, there is no such thing as lateral displacement except in conditions where opposite forces are encountered. Misreading the near wind when shooting at 1000 yards is the best way to find this out the hard way. The general recommendation from the more experienced wind readers is to gauge the near wind and compensate based on what the conditions are down range. The hard part being gauging the wind and reading the conditions down range. That's where science becomes art absent the presence of scientific instruments to tell us what is happening. Flags can only tell us so much and they often are not positioned at sufficient intervals to provide an accurate indicator. Mirage can tell us what is going on if it is present and depending on where along the course one is reading the mirage. If reading it at the target, it may or may not reflect what is going on along the rest of the course. Usually not in my experience. [/QUOTE]
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How much wind does it take?
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