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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Come on out - It's safe now
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<blockquote data-quote="Jon A" data-source="post: 78087" data-attributes="member: 319"><p><strong>Re: Come on out - It\'s safe now</strong></p><p></p><p>I'm not sure what all I missed but it must have been bad. I sure hope it doesn't become "taboo" to discuss BC's here. They are sort of important for <em>Long Range Hunting,</em> and very interesting (at least I think so). If we can't discuss them here I guess we'll just need to ignore all the "use a round nose and get closer you unethical loser!" replies on other boards. Anyway....</p><p></p><p>[ QUOTE ]</p><p>I am also going to setup my Chrony at 300 yards and get a FPS reading off the goods. </p><p></p><p>[/ QUOTE ]</p><p>I think that's really the best way for those without fancy equipment. Much more accurate than measuring drop at reasonable ranges and it doesn't need to be done that far away. </p><p></p><p>Even at just 200 yds, even really high-BC bullets will lose more than 200 fps. A load with a nice low SD can give you good numbers at each range even using one chonograph at a time. <em>Long before</em> any difference in drop even becomes measurable, you'll see a huge difference in velocity even at only 200 yds. Of course, 300 or 400 is all the better and will be even more accurate. That becomes difficult when testing diffferent bullets with different POI's though. And you should always test more than one bullet each test--so you have some sort of standard or measuring stick (control) to compare against the bullet you're interested in that will let you know if there's something phunky with the numbers.</p><p></p><p>Anyway, it's lots of fun. Good luck with it. Reading the huge differences in velocity from BC to BC directly off your chronograph makes it seem a lot more "real" than looking at a ballistics chart.</p></blockquote><p></p>
[QUOTE="Jon A, post: 78087, member: 319"] [b]Re: Come on out - It\'s safe now[/b] I'm not sure what all I missed but it must have been bad. I sure hope it doesn't become "taboo" to discuss BC's here. They are sort of important for [i]Long Range Hunting,[/i] and very interesting (at least I think so). If we can't discuss them here I guess we'll just need to ignore all the "use a round nose and get closer you unethical loser!" replies on other boards. Anyway.... [ QUOTE ] I am also going to setup my Chrony at 300 yards and get a FPS reading off the goods. [/ QUOTE ] I think that's really the best way for those without fancy equipment. Much more accurate than measuring drop at reasonable ranges and it doesn't need to be done that far away. Even at just 200 yds, even really high-BC bullets will lose more than 200 fps. A load with a nice low SD can give you good numbers at each range even using one chonograph at a time. [i]Long before[/i] any difference in drop even becomes measurable, you'll see a huge difference in velocity even at only 200 yds. Of course, 300 or 400 is all the better and will be even more accurate. That becomes difficult when testing diffferent bullets with different POI's though. And you should always test more than one bullet each test--so you have some sort of standard or measuring stick (control) to compare against the bullet you're interested in that will let you know if there's something phunky with the numbers. Anyway, it's lots of fun. Good luck with it. Reading the huge differences in velocity from BC to BC directly off your chronograph makes it seem a lot more "real" than looking at a ballistics chart. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Come on out - It's safe now
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