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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Best middle ground brake...
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<blockquote data-quote="BallisticsGuy" data-source="post: 1767183" data-attributes="member: 96226"><p>Kinda taking a funny tack there bud. This is a matter of engineering for features. I'm an engineer so I think I have something to say on the topic. Engineers don't add features into stuff we're designing which is in excess of the goal of the end product.</p><p></p><p>So it would be a great deal more helpful to explain why someone would need top ports on a bolt gun brake? You don't go putting thrusters in any particular spot on a rocket ship unless you think you're sure to need them there. You don't add features to stop something doing something that it's not going to do. It's a waste of machining operations and is easily contraindicated. Actually, I find it a little amusing that the question needs asked. It seems obvious to me.</p><p></p><p>Ok, let's think about it using the single and simple axiom: Top ports control muzzle rise.</p><p></p><p>Muzzle rise is not an issue that bolt action guns have to manage. The muzzle is going all over the place during bolt cycling anyway and the fire control hand had to come off the fire control system to cycle the bolt so sight picture will not be preserved and a follow-up shot will require reacquisition of the target. Thus top ports serve ZERO purposes on a bolt action rifle.</p><p></p><p>Easy enough, if there's no reason to use them. Don't use them.</p><p></p><p>Now to the contraindications of top ports: It can break bedding up into kibble, it can crack stocks at the wrist and fore end and down force at the muzzle applies unnecessary bending loads to the barrel. The bending loads on the barrel can result in damage to optics which are mounted extremely close to the barrel. I've seen all of those things happen some of them to my own guns.</p><p></p><p></p><p></p><p>I never said a single thing about unbalanced squat. I said top ports don't go on bolt gun brakes. I didn't elucidate why in that post but I have in the response to jlvandertonguetwister above.</p><p></p><p></p><p></p><p>The answer to his question is a suppressor.</p><p></p><p>We've already established quite clearly that he's asking for the infinite improbability drive if we limit the discussion to brakes. Asking for something that's imaginary because it's not really possible doesn't make it more likely to exist. And before someone dives in the with 'linear comps are quieter to the shooter' nonsense, splitting hairs over perception of real loudness when we're 20-40dB deep into "instantaneous permanent hearing damage which is cumulative" noise levels is not going to help anything or anyone and may end up being positively harmful by giving a false impression that perception of loudness has anything to do with a sound's potential to damage hearing. Professor Heeger at NYU has some quite nice publicly available lectures on the topic.</p></blockquote><p></p>
[QUOTE="BallisticsGuy, post: 1767183, member: 96226"] Kinda taking a funny tack there bud. This is a matter of engineering for features. I'm an engineer so I think I have something to say on the topic. Engineers don't add features into stuff we're designing which is in excess of the goal of the end product. So it would be a great deal more helpful to explain why someone would need top ports on a bolt gun brake? You don't go putting thrusters in any particular spot on a rocket ship unless you think you're sure to need them there. You don't add features to stop something doing something that it's not going to do. It's a waste of machining operations and is easily contraindicated. Actually, I find it a little amusing that the question needs asked. It seems obvious to me. Ok, let's think about it using the single and simple axiom: Top ports control muzzle rise. Muzzle rise is not an issue that bolt action guns have to manage. The muzzle is going all over the place during bolt cycling anyway and the fire control hand had to come off the fire control system to cycle the bolt so sight picture will not be preserved and a follow-up shot will require reacquisition of the target. Thus top ports serve ZERO purposes on a bolt action rifle. Easy enough, if there's no reason to use them. Don't use them. Now to the contraindications of top ports: It can break bedding up into kibble, it can crack stocks at the wrist and fore end and down force at the muzzle applies unnecessary bending loads to the barrel. The bending loads on the barrel can result in damage to optics which are mounted extremely close to the barrel. I've seen all of those things happen some of them to my own guns. I never said a single thing about unbalanced squat. I said top ports don't go on bolt gun brakes. I didn't elucidate why in that post but I have in the response to jlvandertonguetwister above. The answer to his question is a suppressor. We've already established quite clearly that he's asking for the infinite improbability drive if we limit the discussion to brakes. Asking for something that's imaginary because it's not really possible doesn't make it more likely to exist. And before someone dives in the with 'linear comps are quieter to the shooter' nonsense, splitting hairs over perception of real loudness when we're 20-40dB deep into "instantaneous permanent hearing damage which is cumulative" noise levels is not going to help anything or anyone and may end up being positively harmful by giving a false impression that perception of loudness has anything to do with a sound's potential to damage hearing. Professor Heeger at NYU has some quite nice publicly available lectures on the topic. [/QUOTE]
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