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Rifles, Reloading, Optics, Equipment
Reloading
My HBN experience and process
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<blockquote data-quote="1mechanic" data-source="post: 2913286" data-attributes="member: 116213"><p>To some extent they are but they are also different. I know drag goes up exponentially to speed but I don't think friction does.</p><p></p><p>The SR 71 Blackbird grows 10" from friction at top speed but I believe the temperature increase is linear not exponential.</p><p></p><p>Is it excepted that uncoated bullets have more fps and pressure than coated?</p><p></p><p>The uncoated have more drag and friction but have more speed? More heat from friction but more pressure from drag.</p></blockquote><p></p>
[QUOTE="1mechanic, post: 2913286, member: 116213"] To some extent they are but they are also different. I know drag goes up exponentially to speed but I don’t think friction does. The SR 71 Blackbird grows 10” from friction at top speed but I believe the temperature increase is linear not exponential. Is it excepted that uncoated bullets have more fps and pressure than coated? The uncoated have more drag and friction but have more speed? More heat from friction but more pressure from drag. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
My HBN experience and process
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