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The Range
Ammo & Reloading
Why does muzzle velocity increase with barrel heat
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<blockquote data-quote="doctorjj" data-source="post: 2189643" data-attributes="member: 7292"><p>I know what you're talking about. (Posting from my phone so inner vs inside was a typo). Welding to the inside of the outer race to get the outer race to drop out. It's not applying heat to the inside of the outer race that makes it become smaller. It's the weld shrinking as it cools that draws that race down and let's it fall free. Otherwise you could just use a torch to heat the race and it would fall free I can tell you that absolutely won't work. The welding technique works, not because you are applying heat to the race. It works because as the new weld cools, it shrinks. So it's still heat=expansion and cool=contraction. </p><p></p><p>And you can heat the part you're trying to make bigger from anywhere you want. Inside, outside doesn't matter. It's always gonna get bigger as it gets hotter.</p></blockquote><p></p>
[QUOTE="doctorjj, post: 2189643, member: 7292"] I know what you're talking about. (Posting from my phone so inner vs inside was a typo). Welding to the inside of the outer race to get the outer race to drop out. It's not applying heat to the inside of the outer race that makes it become smaller. It's the weld shrinking as it cools that draws that race down and let's it fall free. Otherwise you could just use a torch to heat the race and it would fall free I can tell you that absolutely won't work. The welding technique works, not because you are applying heat to the race. It works because as the new weld cools, it shrinks. So it's still heat=expansion and cool=contraction. And you can heat the part you're trying to make bigger from anywhere you want. Inside, outside doesn't matter. It's always gonna get bigger as it gets hotter. [/QUOTE]
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Why does muzzle velocity increase with barrel heat
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