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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Shoulder Angles--lets get technical!
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<blockquote data-quote="Cybra" data-source="post: 24238" data-attributes="member: 936"><p>Hello, Gentlemen!</p><p></p><p>Again, I thank you for responding, and the addition of some follow-ups. If I had to take a guess on the variation a couple of you are mentioning, it would be something similar to a 6mm Dasher case [I think it's a 250 case midified in a shorted 250 die?] I have heard something of a shortened 6mm BR case as well, I think it's called the Tall Dog? I think the dasher case operates with either a 35 or 40 degree shoulder, but I'm not positive. </p><p></p><p>DB My specific reasoning for the long neck was this; with a sharp case neck such as I was thinking, the powder-gas has the tendency, from what I've heard, to want to "spray" out of the case in a more pronounced conical direction, and the sharper the shoulder and shorter the case neck, the more magnified this event becomes. I have no way of knowing, but it SOUNDS reasonable. So the longer neck may help in initial directioning of the powder-gas, and might help minutely in throat wear and blow-by--maybe. <img src="http://images/icons/rolleyes.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /> Damned if I know, I'm just a redneck!</p><p></p><p>Bounty Hunter, again I thank you. I will indeed check that post out. Seems there are quite a few good ones out there that I've yet to hear of. Gives me something to keep me sane until I get back to God's Country... <img src="http://images/icons/smile.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p></p><p>John, that is a darned good idea--he would be a likely fellow to ask! I will see if I can drop him a note, and relay back what he says just for some good ol` reading. I will also wish him well on everyone's behalf here. Thanks for the lead. I suspect this project could get very interesting. I know one thing; cartridge development over the last ten years [last five to really get into the heat] has been extremely intriguing. Again, thank you all for replying, and everyone have a happy, fun, and fattening holiday [the fatter y`all get, the slower you move, which means I might be able to beat a couple of you to the few remaining Heavens of Hunting.] <img src="http://images/icons/grin.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /> <img src="http://images/icons/tongue.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Dave</p></blockquote><p></p>
[QUOTE="Cybra, post: 24238, member: 936"] Hello, Gentlemen! Again, I thank you for responding, and the addition of some follow-ups. If I had to take a guess on the variation a couple of you are mentioning, it would be something similar to a 6mm Dasher case [I think it's a 250 case midified in a shorted 250 die?] I have heard something of a shortened 6mm BR case as well, I think it's called the Tall Dog? I think the dasher case operates with either a 35 or 40 degree shoulder, but I'm not positive. DB My specific reasoning for the long neck was this; with a sharp case neck such as I was thinking, the powder-gas has the tendency, from what I've heard, to want to "spray" out of the case in a more pronounced conical direction, and the sharper the shoulder and shorter the case neck, the more magnified this event becomes. I have no way of knowing, but it SOUNDS reasonable. So the longer neck may help in initial directioning of the powder-gas, and might help minutely in throat wear and blow-by--maybe. [img]images/icons/rolleyes.gif[/img] Damned if I know, I'm just a redneck! Bounty Hunter, again I thank you. I will indeed check that post out. Seems there are quite a few good ones out there that I've yet to hear of. Gives me something to keep me sane until I get back to God's Country... [img]images/icons/smile.gif[/img] John, that is a darned good idea--he would be a likely fellow to ask! I will see if I can drop him a note, and relay back what he says just for some good ol` reading. I will also wish him well on everyone's behalf here. Thanks for the lead. I suspect this project could get very interesting. I know one thing; cartridge development over the last ten years [last five to really get into the heat] has been extremely intriguing. Again, thank you all for replying, and everyone have a happy, fun, and fattening holiday [the fatter y`all get, the slower you move, which means I might be able to beat a couple of you to the few remaining Heavens of Hunting.] [img]images/icons/grin.gif[/img] [img]images/icons/tongue.gif[/img] Dave [/QUOTE]
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Shoulder Angles--lets get technical!
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