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Rifles, Reloading, Optics, Equipment
Reloading
Pressure signs/chronographing
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<blockquote data-quote="glassman" data-source="post: 205980" data-attributes="member: 6503"><p>Well, I will have to go along with what boomtube is saying:</p><p> "<strong>Unfortunately, velocity can be a poor indicator of peak pressure and that's the kind that makes guns come from together, especially so if the powder is too fast for the load. Like, a very low velocity would come at a very dangerous pressure with a charge of Bullseye. Yeah, that's a pretty extreme example but I use it to illustrate the principle that we really can't be sure of the pressures by simply recording the velocity."</strong></p><p><strong></strong></p><p></p><p>I have used a chonograph since the 80's and I have never relied on it to tell me anything about what the pressure was.</p><p>Some barrels are faster than others and some are slower. So you can't really rely on the velocity as to what the chamber will take for pressure.</p></blockquote><p></p>
[QUOTE="glassman, post: 205980, member: 6503"] Well, I will have to go along with what boomtube is saying: "[B]Unfortunately, velocity can be a poor indicator of peak pressure and that's the kind that makes guns come from together, especially so if the powder is too fast for the load. Like, a very low velocity would come at a very dangerous pressure with a charge of Bullseye. Yeah, that's a pretty extreme example but I use it to illustrate the principle that we really can't be sure of the pressures by simply recording the velocity." [/B] I have used a chonograph since the 80's and I have never relied on it to tell me anything about what the pressure was. Some barrels are faster than others and some are slower. So you can't really rely on the velocity as to what the chamber will take for pressure. [/QUOTE]
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Pressure signs/chronographing
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