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338 edge?
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<blockquote data-quote="436" data-source="post: 429302" data-attributes="member: 16609"><p>Shawn, </p><p>Thanks for dropping by in this conversation, along with setting the record straight on your development of the .338 Edge. I do have a few questions maybe you could help with. </p><p></p><p>From what I can understand, Remington's cartridge ".338 RUM" is 2.850" inches in length, with a case capacity of 113grs of H2o... an with a advertised velocity of (2800 fps) Maximum pressure 65,000 psi</p><p></p><p>Your design'..., the ".338 Edge" is 2.850" inches in length, with a case capacity of 110.2grs of H2o pressure unknown, but I would guess it's not over 65,000 psi? </p><p></p><p>It's also been stated {I'm not necessarily saying by you} that 338 Edge is similar in ballistics to the .338 Lapua Magnum, which has a case capacity of 114grs of H2o and a maximum pressure 60,916 psi????</p><p></p><p>So with a small amount of information out there on the aforementioned, I'm sure you can see how it would be confusing to the layman... Maybe as a neophyte on the subject you could help out.</p><p></p><p>I was thinking that when pushing a 300gr bullet in all these case; one over the other, it would be pretty hard to pick up a consistent 50 fps to 100 fps over the other; in any barrel length or bullet weight.... This is what makes the discussion some what cloudy... In any other cartridge, picking up 50 fps to 100 fps is not a game changer... with that said; doing it takes more powder normally, or at the very least a much better case design. The 50 fps to 100 fps velocity can be nothing more than, free bore or temperature change from day to day when tested over a chronograph, from what I understand. I'm sure you know that just setting ammo in the hot sun for a few minutes will give you that and then some. So put that aside; where is the big gain in the .338 Edge over the others with only 110.2grs of powder? What's in the case design I'm missing?</p><p></p><p></p><p>I've read a few of your very fine articles; on testing and hunting with the .338 Edge..... Perhaps'.., my case capacity is wrong on the Edge....? </p><p>Have you ever strain gauged the pressure on your cartridge and establish a maximum psi pressure that you could share with us?</p><p></p><p>I'm not talking here about who claimed what or who said; "what" I have a genuine interest in the caliber and cartridges, and I'm sure many others here would find it enjoyable to read as well. </p><p></p><p>Thanks again for the history up date on the .338 Edge and how you came about designing it.</p><p></p><p>436</p></blockquote><p></p>
[QUOTE="436, post: 429302, member: 16609"] Shawn, Thanks for dropping by in this conversation, along with setting the record straight on your development of the .338 Edge. I do have a few questions maybe you could help with. From what I can understand, Remington's cartridge ".338 RUM" is 2.850" inches in length, with a case capacity of 113grs of H2o... an with a advertised velocity of (2800 fps) Maximum pressure 65,000 psi Your design'..., the ".338 Edge" is 2.850" inches in length, with a case capacity of 110.2grs of H2o pressure unknown, but I would guess it's not over 65,000 psi? It's also been stated {I’m not necessarily saying by you} that 338 Edge is similar in ballistics to the .338 Lapua Magnum, which has a case capacity of 114grs of H2o and a maximum pressure 60,916 psi???? So with a small amount of information out there on the aforementioned, I'm sure you can see how it would be confusing to the layman... Maybe as a neophyte on the subject you could help out. I was thinking that when pushing a 300gr bullet in all these case; one over the other, it would be pretty hard to pick up a consistent 50 fps to 100 fps over the other; in any barrel length or bullet weight.... This is what makes the discussion some what cloudy... In any other cartridge, picking up 50 fps to 100 fps is not a game changer... with that said; doing it takes more powder normally, or at the very least a much better case design. The 50 fps to 100 fps velocity can be nothing more than, free bore or temperature change from day to day when tested over a chronograph, from what I understand. I'm sure you know that just setting ammo in the hot sun for a few minutes will give you that and then some. So put that aside; where is the big gain in the .338 Edge over the others with only 110.2grs of powder? What’s in the case design I’m missing? I've read a few of your very fine articles; on testing and hunting with the .338 Edge..... Perhaps'.., my case capacity is wrong on the Edge....? Have you ever strain gauged the pressure on your cartridge and establish a maximum psi pressure that you could share with us? I'm not talking here about who claimed what or who said; “what” I have a genuine interest in the caliber and cartridges, and I'm sure many others here would find it enjoyable to read as well. Thanks again for the history up date on the .338 Edge and how you came about designing it. 436 [/QUOTE]
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