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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Recommended max barrel temp
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<blockquote data-quote="BallisticsGuy" data-source="post: 1327859" data-attributes="member: 96226"><p>Because you're thinking about the metal's capabilities which are, honestly irrelevant to the rule of thumb.</p><p></p><p>The idea is to NOT reach excessive temperatures. It is to STOP SHOOTING long before that point is reached. Unfortunately, the difference to the mark-1 finger-tip thermometer between 100F and 120F is the difference between hot and plenty hot, there's no quantifying high temperatures using a finger/hand so the slop is HUGE. </p><p></p><p>The difference between 120F and any hotter on the other hand is basically lost on humans since skin burns ensue pretty quickly after 120F so they (fingers/hands) don't have the ability to usefully measure the heat when it's over their skin tolerance threshold. Rather than change the rule to "when your skin sticks to the barrel" or "use a thermometer checking for the approach of X temperature" we do it the easy, reliable way. Besides, to call out a specific temperature would require knowing a TON of stuff about the barrel, powder, bullet, environment, etc... </p><p></p><p>Some things it pays to quantify and get things exactly right. Others it pays to heed 100 years of collected experience even if it is nothing but anecdotes and rules of thumb. Don't toss the baby out with the bathwater.</p></blockquote><p></p>
[QUOTE="BallisticsGuy, post: 1327859, member: 96226"] Because you're thinking about the metal's capabilities which are, honestly irrelevant to the rule of thumb. The idea is to NOT reach excessive temperatures. It is to STOP SHOOTING long before that point is reached. Unfortunately, the difference to the mark-1 finger-tip thermometer between 100F and 120F is the difference between hot and plenty hot, there's no quantifying high temperatures using a finger/hand so the slop is HUGE. The difference between 120F and any hotter on the other hand is basically lost on humans since skin burns ensue pretty quickly after 120F so they (fingers/hands) don't have the ability to usefully measure the heat when it's over their skin tolerance threshold. Rather than change the rule to "when your skin sticks to the barrel" or "use a thermometer checking for the approach of X temperature" we do it the easy, reliable way. Besides, to call out a specific temperature would require knowing a TON of stuff about the barrel, powder, bullet, environment, etc... Some things it pays to quantify and get things exactly right. Others it pays to heed 100 years of collected experience even if it is nothing but anecdotes and rules of thumb. Don't toss the baby out with the bathwater. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Recommended max barrel temp
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