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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Help Needed with LB3.0 and .338 Bergers
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<blockquote data-quote="bigngreen" data-source="post: 398187" data-attributes="member: 13632"><p>OK, I had a light bulb come on lightbulb. One is Coriolis is a fact because the earth is moving while you bullet is on it's way. I like Broz idea of shooting groups in certain direction to see this drift, I can not because I don't have a rifle that will hold a small enough group to give us the resolution it would take. Hopefully the barrel I'm picking up next week will fix that, any way. </p><p>Second, the reason some might not see the affects of Coriolis and spin drift is the distance that we sight in at, if you and your gun can shoot small enough groups and you sight in at say 600yrds and you don't allow for Coriolis and Spin drift you have taken them into account during sight in. So you would have to shoot way out there to see it come back into play again. </p><p>I haven't had time to play with the number to see at what range you would start to take these into account at sight in.</p><p>I have had a problem of all ways being to the right on my shots I miss, I thought this was only due to a bad wind dope, I think I was stacking Coriolis, spin, and bad wind meter. All my missed shot were shot in the same direction with the same wind direction, I was just doubling the wind value to be on target but I bet a lot of dollar if I would have been using Coriolis and spin drift and a quality wind meter I would have been dead on!!!</p><p></p><p>I have to get my gun back together to test this <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:" /></p><p></p><p>The answers a coming to me now, BIG thanks to Phorwath and Eaglet!!!!!!!!</p></blockquote><p></p>
[QUOTE="bigngreen, post: 398187, member: 13632"] OK, I had a light bulb come on lightbulb. One is Coriolis is a fact because the earth is moving while you bullet is on it's way. I like Broz idea of shooting groups in certain direction to see this drift, I can not because I don't have a rifle that will hold a small enough group to give us the resolution it would take. Hopefully the barrel I'm picking up next week will fix that, any way. Second, the reason some might not see the affects of Coriolis and spin drift is the distance that we sight in at, if you and your gun can shoot small enough groups and you sight in at say 600yrds and you don't allow for Coriolis and Spin drift you have taken them into account during sight in. So you would have to shoot way out there to see it come back into play again. I haven't had time to play with the number to see at what range you would start to take these into account at sight in. I have had a problem of all ways being to the right on my shots I miss, I thought this was only due to a bad wind dope, I think I was stacking Coriolis, spin, and bad wind meter. All my missed shot were shot in the same direction with the same wind direction, I was just doubling the wind value to be on target but I bet a lot of dollar if I would have been using Coriolis and spin drift and a quality wind meter I would have been dead on!!! I have to get my gun back together to test this :rolleyes: The answers a coming to me now, BIG thanks to Phorwath and Eaglet!!!!!!!! [/QUOTE]
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Help Needed with LB3.0 and .338 Bergers
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