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Rifles, Reloading, Optics, Equipment
Gunsmithing
280 Ackley Chamber
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<blockquote data-quote="Pdvdh" data-source="post: 2100822" data-attributes="member: 4191"><p>You having not seen it, doesn't mean it doesn't exist. You've concluded it doesn't exist. In your mind, you're correct. However you couldn't type together a long enough post and add enough pictures to clearly explain your methods, provide the exacting dimensions of your go gauges and chambers, and how and where you took measurements to reach a proper conclusion. Because there's an abundance of potential sources of error that could have led to your having not seen it.</p><p></p><p>Many others have seen it. Companies that employ mathematicians and design engineers, and pay them to get it right the first time around, rather than manufacturing on a trial and error basis. Multiple chamber reamer manufacturers sell different go-gauges for the two different Ackley cartridges, produce different chamber reamer spec sheets for the two different cartridges, and at least one resizing die manufacturer produces different tools and equipment to resize casings for the two different cartridges. Many other gunsmiths have seen it. The mathematics proves it in fact does exist, and also identifies the magnitude of the difference. </p><p></p><p><em><u>So my challenge remains on the table.</u></em> Run the math. If you can't perform the trigonometry, select anyone of your choosing and have them run thru the mathamatical solution. If your/their mathematical solution results in less than 0.013" longer headspace in the traditional Ackley 280 improved compared to Nosler's SAAMI "280 Ackley Improved", post the calculation sheets on this Forum with supportive description of that solution. We'll get this solved, in the same manner others have prior to their production and manufacture of two different sets of tools for the two different cartridges. Easy Peasy.</p><p></p><p>On the other hand, if you don't like being shown to have been wrong on technical matter in your own field of work, you really might just continue with the repetitive line of argument that "I've done it, I've taken measurements, I've reached my conclusion, and I'm right." Well I'll give you that. Your conclusion can be the right one for you. Doesn't make it true.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 2100822, member: 4191"] You having not seen it, doesn't mean it doesn't exist. You've concluded it doesn't exist. In your mind, you're correct. However you couldn't type together a long enough post and add enough pictures to clearly explain your methods, provide the exacting dimensions of your go gauges and chambers, and how and where you took measurements to reach a proper conclusion. Because there's an abundance of potential sources of error that could have led to your having not seen it. Many others have seen it. Companies that employ mathematicians and design engineers, and pay them to get it right the first time around, rather than manufacturing on a trial and error basis. Multiple chamber reamer manufacturers sell different go-gauges for the two different Ackley cartridges, produce different chamber reamer spec sheets for the two different cartridges, and at least one resizing die manufacturer produces different tools and equipment to resize casings for the two different cartridges. Many other gunsmiths have seen it. The mathematics proves it in fact does exist, and also identifies the magnitude of the difference. [I][U]So my challenge remains on the table.[/U][/I] Run the math. If you can't perform the trigonometry, select anyone of your choosing and have them run thru the mathamatical solution. If your/their mathematical solution results in less than 0.013" longer headspace in the traditional Ackley 280 improved compared to Nosler's SAAMI "280 Ackley Improved", post the calculation sheets on this Forum with supportive description of that solution. We'll get this solved, in the same manner others have prior to their production and manufacture of two different sets of tools for the two different cartridges. Easy Peasy. On the other hand, if you don't like being shown to have been wrong on technical matter in your own field of work, you really might just continue with the repetitive line of argument that "I've done it, I've taken measurements, I've reached my conclusion, and I'm right." Well I'll give you that. Your conclusion can be the right one for you. Doesn't make it true. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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280 Ackley Chamber
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