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Rifles, Reloading, Optics, Equipment
Gunsmithing
Lug setback? What am I missing?
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<blockquote data-quote="codyadams" data-source="post: 1821244" data-attributes="member: 87243"><p>That is an interesting thought. It is obvious which would have more recoil, but bolt thrust I am not sure is related, I think it (bolt thrust) is more related to pressure, and the case (or rim) diameter....the recoil (I believe) is generated and varries based on the speed of the bullet as it travels down the bore, bullet weight, as well as the muzzle blast, which with more powder, especially unburned powder, creates more muzzleblast.</p><p></p><p>Another theoretical thought, if you got a case with the diameter of a Lapua, but made it so short that the total case capacity was that of say a .308 win, and loaded it to say 65,000 psi and shot a .338 caliber 300 grain bullet out of it (would obviously be slow) and then shot the same bullet out of a .338 Lapua at 65,000 psi, would the bolt thrust differ between the two, or remain the same?</p></blockquote><p></p>
[QUOTE="codyadams, post: 1821244, member: 87243"] That is an interesting thought. It is obvious which would have more recoil, but bolt thrust I am not sure is related, I think it (bolt thrust) is more related to pressure, and the case (or rim) diameter....the recoil (I believe) is generated and varries based on the speed of the bullet as it travels down the bore, bullet weight, as well as the muzzle blast, which with more powder, especially unburned powder, creates more muzzleblast. Another theoretical thought, if you got a case with the diameter of a Lapua, but made it so short that the total case capacity was that of say a .308 win, and loaded it to say 65,000 psi and shot a .338 caliber 300 grain bullet out of it (would obviously be slow) and then shot the same bullet out of a .338 Lapua at 65,000 psi, would the bolt thrust differ between the two, or remain the same? [/QUOTE]
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Lug setback? What am I missing?
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