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Long Range Hunting & Shooting
**HELP** Need to understand trajectory(heavy VS light) in bullets.
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<blockquote data-quote="rscott5028" data-source="post: 448290" data-attributes="member: 24624"><p>Great video. Everyone that's interested might want to read up on the subject. </p><p> </p><p>It appears the video came from...</p><p><a href="http://bryanlitz.bravehost.com/EpSwerv.html" target="_blank">Homepage of Bryan Litz - A Bravenet.com Hosted Site</a></p><p> </p><p><span style="font-size: 10px">According to Bryan Litz, the author of the computer simulation in the video, </span><span style="font-size: 10px">"I tried many different things like this, simulated hundreds of 5, 10, and 20 shot groups. Nothing produced smaller angular groups at longer range. </span><span style="font-size: 10px">[...] </span><span style="font-size: 10px">Just to be clear about the conclusions of the modeling: The phenomemon of smaller angular groups at longer ranges was not disproven. The only thing I've shown is that if the phenomenon actually happens, epicyclic swerve is not the cause of it."</span></p><p><span style="font-size: 10px"></span></p><p><span style="font-size: 10px">So, while he didn't disprove it. I'd be keen to read more about what really happens. I do know that some people beleive in it strongly. So, there must be a reason why they beleive it and why it occurs. </span></p><p><span style="font-size: 10px"> </span></p><p><span style="font-size: 10px"></span>A less scientific phenomenon that I've observed is, "aim small, miss small." My 14yo son is impatient and doesn't concentrate at short range where he knows it's a kill shot every time. But, he's really focused at longer ranges. I can show you targets where he's shot 1" groups at 100yds and 3" groups at 580 yds. I don't have enough samples to make a statistical inference and shooter concentration that I've attributed this to isn't the same as the bullet going to sleep. But, the point being that there are many variables that result in the POI whether it be short or long range. </p><p> </p><p>As to the rise/fall due to spin and wind direction, I have seen that written about in some fairly authoritative places. </p><p> </p><p>thanks,</p><p>richard</p></blockquote><p></p>
[QUOTE="rscott5028, post: 448290, member: 24624"] Great video. Everyone that's interested might want to read up on the subject. It appears the video came from... [url=http://bryanlitz.bravehost.com/EpSwerv.html]Homepage of Bryan Litz - A Bravenet.com Hosted Site[/url] [SIZE=2]According to Bryan Litz, the author of the computer simulation in the video, [/SIZE][SIZE=2]"I tried many different things like this, simulated hundreds of 5, 10, and 20 shot groups. Nothing produced smaller angular groups at longer range. [/SIZE][SIZE=2][...] [/SIZE][SIZE=2]Just to be clear about the conclusions of the modeling: The phenomemon of smaller angular groups at longer ranges was not disproven. The only thing I've shown is that if the phenomenon actually happens, epicyclic swerve is not the cause of it." [/SIZE] [SIZE=2]So, while he didn't disprove it. I'd be keen to read more about what really happens. I do know that some people beleive in it strongly. So, there must be a reason why they beleive it and why it occurs. [/SIZE] [SIZE=2] [/SIZE]A less scientific phenomenon that I've observed is, "aim small, miss small." My 14yo son is impatient and doesn't concentrate at short range where he knows it's a kill shot every time. But, he's really focused at longer ranges. I can show you targets where he's shot 1" groups at 100yds and 3" groups at 580 yds. I don't have enough samples to make a statistical inference and shooter concentration that I've attributed this to isn't the same as the bullet going to sleep. But, the point being that there are many variables that result in the POI whether it be short or long range. As to the rise/fall due to spin and wind direction, I have seen that written about in some fairly authoritative places. thanks, richard [/QUOTE]
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**HELP** Need to understand trajectory(heavy VS light) in bullets.
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