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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
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<blockquote data-quote="ARlife4me" data-source="post: 2724748" data-attributes="member: 105694"><p>What other questions need to be asked!</p><p>range</p><p>speed</p><p>energy needed at max range (needed is much more than wanted)</p><p>barrel length for these questions</p><p>do you want max pressure to be at 65k or less</p><p></p><p>I'd say, start with your favorite bullet and go from there</p><p>Build around the end result and work backwards</p><p>When you decide on the bullet try and have as much of the bullet past the shoulder as possible where only the boat-tail is in it</p><p></p><p>Once you have better parameters you can figure case volume needed for achievement as cross check against other cartridges that come close to your agenda</p><p>Also take in mind that some of the larger magnums and 308 like cases can have more or less pressure for max.</p><p>example..6.5creed is near 64 or 65k and 260rem is 5-7k less max pressure</p><p></p><p></p><p>This runs thru my head everyday on what this and what that on cartridge design </p><p></p><p> GOOD LUCK!</p></blockquote><p></p>
[QUOTE="ARlife4me, post: 2724748, member: 105694"] What other questions need to be asked! range speed energy needed at max range (needed is much more than wanted) barrel length for these questions do you want max pressure to be at 65k or less I'd say, start with your favorite bullet and go from there Build around the end result and work backwards When you decide on the bullet try and have as much of the bullet past the shoulder as possible where only the boat-tail is in it Once you have better parameters you can figure case volume needed for achievement as cross check against other cartridges that come close to your agenda Also take in mind that some of the larger magnums and 308 like cases can have more or less pressure for max. example..6.5creed is near 64 or 65k and 260rem is 5-7k less max pressure This runs thru my head everyday on what this and what that on cartridge design GOOD LUCK! [/QUOTE]
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