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Long Range Hunting & Shooting
Updraft question ?
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<blockquote data-quote="Michael Eichele" data-source="post: 227886" data-attributes="member: 1007"><p>If I understand the situation correctly, the difference is less than 1/4". Yes inch NOT MOA.</p><p></p><p>.99 cos is about 5 degrees. This = less than one inch difference for a shot at 750 yards. The bullet will however strike higher even though it is less than an inch. With a 4 MPH head wind at exactly 12'Oclock the bullet will strike lower than normal. Again less than one inch. The main air pattern is likely head on with minimal upwards draft. Any upwards draft in this particular scenario will have extreemly little effect on the bullet. Dial it for 750 with confidence and shoot.</p><p></p><p>One of the places I practice is set up exactly as you describe and at the same distance and typically has a head wind. I was shooting some new bullets the first time I went there and they all shot extreemly low. I thought the wind was wreeking havock on them so I went to another location (very flat and on a calm day) and they all hit with the same setting. Turns out it was simply a lower than published BC. So between mathematics and real world testing you would set it for 750 yards and shoot.</p><p></p><p>Just my .02</p></blockquote><p></p>
[QUOTE="Michael Eichele, post: 227886, member: 1007"] If I understand the situation correctly, the difference is less than 1/4". Yes inch NOT MOA. .99 cos is about 5 degrees. This = less than one inch difference for a shot at 750 yards. The bullet will however strike higher even though it is less than an inch. With a 4 MPH head wind at exactly 12'Oclock the bullet will strike lower than normal. Again less than one inch. The main air pattern is likely head on with minimal upwards draft. Any upwards draft in this particular scenario will have extreemly little effect on the bullet. Dial it for 750 with confidence and shoot. One of the places I practice is set up exactly as you describe and at the same distance and typically has a head wind. I was shooting some new bullets the first time I went there and they all shot extreemly low. I thought the wind was wreeking havock on them so I went to another location (very flat and on a calm day) and they all hit with the same setting. Turns out it was simply a lower than published BC. So between mathematics and real world testing you would set it for 750 yards and shoot. Just my .02 [/QUOTE]
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