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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Question on Applied Ballistics App and Coriolis
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<blockquote data-quote="Timber338" data-source="post: 1187962" data-attributes="member: 33822"><p>KYPatriot - I appreciate the explanation, I think you and Phorwath were really able to explain why my logic was flawed. I was oversimplifying in my head by only visualizing a single/simple scenario. I was only thinking in 2 dimensions and that made the east/west shot appear to be flat. you've gotta think about it from the correct perspective as you point out, and your visualization from the north pole looking "down" really does an excellent job of showing the problem in 3 dimensions. </p><p></p><p>DocUSMC, I now disagree with you that I was overthinking... Of course I am making fun of myself right now, but I can see that was your way of being nice. I was very much underthinking. A common problem of mine. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p><p></p><p>I also agree that wind and spin drift dominate the real world application of this. Like you point out, artillery it does start to matter, but small arms are dominated by other external forces like spin drift but mostly wind. You discussed this earlier and I was more focused on the physics of it all, but you certainly have valid points. I personally think that even if the math is slightly wrong in the coriolis solvers, they get your solution more close to perfect by including them than by not including them. Phorwath's post about the guy who posted all the pictured of targets was pretty funny, and shows that all of this is mathematical at best for small arms. He didn't disprove coriolis, he just proved that it sure is hard to see when a guy is shooting a rifle.</p><p></p><p>But, let's jump back to the physics... I'll be honest, my simple brain did not put this all together this morning until I really visualized in 3 dimensions. And I hope you guys all get a kick out of this... I got my boys bouncy ball and started drawing on it. looking "down from the north" based on KYpatriots explanation. drawing two points and rotating the bouncy ball. It all clicked and showed that east/west shot has the target moving in both up/down and east/west. And then it gets funny. My 2 year old started throwing his diaper around the house. The dog started chasing it, and of course I had to do something. My 4 year old got ahold of the ball and followed my example of drawing on it. </p><p></p><p>I believe he did the best job of illustrating coriolis. DOC and Bryan Litz, I believe my 4 year old is on to something... and he just might have broke the space-time continuum... I think we've got a genius on our hands.</p></blockquote><p></p>
[QUOTE="Timber338, post: 1187962, member: 33822"] KYPatriot - I appreciate the explanation, I think you and Phorwath were really able to explain why my logic was flawed. I was oversimplifying in my head by only visualizing a single/simple scenario. I was only thinking in 2 dimensions and that made the east/west shot appear to be flat. you've gotta think about it from the correct perspective as you point out, and your visualization from the north pole looking "down" really does an excellent job of showing the problem in 3 dimensions. DocUSMC, I now disagree with you that I was overthinking... Of course I am making fun of myself right now, but I can see that was your way of being nice. I was very much underthinking. A common problem of mine. :D I also agree that wind and spin drift dominate the real world application of this. Like you point out, artillery it does start to matter, but small arms are dominated by other external forces like spin drift but mostly wind. You discussed this earlier and I was more focused on the physics of it all, but you certainly have valid points. I personally think that even if the math is slightly wrong in the coriolis solvers, they get your solution more close to perfect by including them than by not including them. Phorwath's post about the guy who posted all the pictured of targets was pretty funny, and shows that all of this is mathematical at best for small arms. He didn't disprove coriolis, he just proved that it sure is hard to see when a guy is shooting a rifle. But, let's jump back to the physics... I'll be honest, my simple brain did not put this all together this morning until I really visualized in 3 dimensions. And I hope you guys all get a kick out of this... I got my boys bouncy ball and started drawing on it. looking "down from the north" based on KYpatriots explanation. drawing two points and rotating the bouncy ball. It all clicked and showed that east/west shot has the target moving in both up/down and east/west. And then it gets funny. My 2 year old started throwing his diaper around the house. The dog started chasing it, and of course I had to do something. My 4 year old got ahold of the ball and followed my example of drawing on it. I believe he did the best job of illustrating coriolis. DOC and Bryan Litz, I believe my 4 year old is on to something... and he just might have broke the space-time continuum... I think we've got a genius on our hands. [/QUOTE]
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Question on Applied Ballistics App and Coriolis
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