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Where does peak pressure occur
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<blockquote data-quote="davewilson" data-source="post: 168121" data-attributes="member: 4491"><p>peak pressure occurs getting the bullet engraved into the rifling or ever so slightly afterwards.imagine how much force it takes to get the bullet into the rifling. that's what builds the pressure. the bullet doesn't begin to engage in the rifling until there's around 15K in the chamber. the pressure continues to build until complete engraving has occurred, then the bullet accelerates very rapidly. as the bullet goes down the barrel,the pressure keeps dropping until it exits the barrel where maximum velocity occurs.</p></blockquote><p></p>
[QUOTE="davewilson, post: 168121, member: 4491"] peak pressure occurs getting the bullet engraved into the rifling or ever so slightly afterwards.imagine how much force it takes to get the bullet into the rifling. that's what builds the pressure. the bullet doesn't begin to engage in the rifling until there's around 15K in the chamber. the pressure continues to build until complete engraving has occurred, then the bullet accelerates very rapidly. as the bullet goes down the barrel,the pressure keeps dropping until it exits the barrel where maximum velocity occurs. [/QUOTE]
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Where does peak pressure occur
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