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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Calculating drop with head or tail wind?
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<blockquote data-quote="MontanaRifleman" data-source="post: 316017" data-attributes="member: 11717"><p>Been thinking about this a little and a 20 MPH wind is eqivilent about 30 fps, which will rsult in about a 2 1/2" difference in drop. I dont think the head wind itself is the cause. It may be the buffeting action of the wind with up and down drafts. But still doesn't seem like it would have a big effect. Maybe it was enough to cause some slight instability and those bullets are right on the stability edge with your 10 twist. This might be a dumb question, but any chance your muzzle was being slightly moved by the wind?</p><p> </p><p>We will probably never figure this out <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite11" alt=":rolleyes:" title="Roll Eyes :rolleyes:" loading="lazy" data-shortname=":rolleyes:" /> <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite6" alt=":cool:" title="Cool :cool:" loading="lazy" data-shortname=":cool:" /></p></blockquote><p></p>
[QUOTE="MontanaRifleman, post: 316017, member: 11717"] Been thinking about this a little and a 20 MPH wind is eqivilent about 30 fps, which will rsult in about a 2 1/2" difference in drop. I dont think the head wind itself is the cause. It may be the buffeting action of the wind with up and down drafts. But still doesn't seem like it would have a big effect. Maybe it was enough to cause some slight instability and those bullets are right on the stability edge with your 10 twist. This might be a dumb question, but any chance your muzzle was being slightly moved by the wind? We will probably never figure this out :rolleyes: :cool: [/QUOTE]
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Calculating drop with head or tail wind?
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