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The Basics, Starting Out
Trigger Question
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<blockquote data-quote="Susquatch" data-source="post: 1613359" data-attributes="member: 31264"><p>I wish the math was that simple. </p><p></p><p>I think it's a lot more like:</p><p></p><p>Total time for bullet to leave barrel is trigger mechanism release time, plus firing pin time, plus primer ignition time, plus initial burn time before bullet starts moving, plus total time of bullet in barrel. The last one is actually the easiest one and it's not easy! But Quick Load makes it easy (assuming it's reasonably correct). The rest are anybody's guess but may be available somewhere. They will vary with trigger design, firing pin mass, firing pin spring force, primer size & brissance, powder, case volume, bullet mass, friction, etc etc etc All reasons my head hurts when I think about doing the math. </p><p></p><p>The other side of the equation is just as difficult and maybe worse. Time of finger travel is probably related to finger tissue density, finger and trigger mass, finger spring and damping factors, travel distance limit and pull weight (force) before and after release. </p><p></p><p>Frankly, it might be a whole lot easier to simply measure the times than it is to calculate them.</p></blockquote><p></p>
[QUOTE="Susquatch, post: 1613359, member: 31264"] I wish the math was that simple. I think it's a lot more like: Total time for bullet to leave barrel is trigger mechanism release time, plus firing pin time, plus primer ignition time, plus initial burn time before bullet starts moving, plus total time of bullet in barrel. The last one is actually the easiest one and it's not easy! But Quick Load makes it easy (assuming it's reasonably correct). The rest are anybody's guess but may be available somewhere. They will vary with trigger design, firing pin mass, firing pin spring force, primer size & brissance, powder, case volume, bullet mass, friction, etc etc etc All reasons my head hurts when I think about doing the math. The other side of the equation is just as difficult and maybe worse. Time of finger travel is probably related to finger tissue density, finger and trigger mass, finger spring and damping factors, travel distance limit and pull weight (force) before and after release. Frankly, it might be a whole lot easier to simply measure the times than it is to calculate them. [/QUOTE]
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