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Rifles, Reloading, Optics, Equipment
Reloading
Calculating Chamber Pressure
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<blockquote data-quote="Mikecr" data-source="post: 1002265" data-attributes="member: 1521"><p>Well it sounds to me like you're calibrating pressuretrace -with parameters and math, like QL.</p><p>What you see with it until actual, and confirmed, is relative.</p><p></p><p>I'm not suggesting anything is wrong with pressuretrace, or QL, just that it's very hard to know actual pressure. The question is about 'calculating' pressure, and I think QuickLoad's accuracy is as good as you'll get there. Pressure trace does not calculate or predict pressure. It measures expansion and applies math to convert expansion to pressure. Right?</p><p>What I believe is that relative peak pressure from both methods are good enough,, that 'seeing' the curve with PT is useful, but not necessarily more accurate than QL. Remember QL math has been validated with test barrels/ammo, and we validate the predictions with our MV measure.</p><p></p><p>Are the inputs and calcs easy with PressureTrace? Well, given that most people here cannot use external ballistic software very well, it's hard to imagine they would do any better with internal ballistic software.</p><p>I'm sure it's accurate only in the right hands.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 1002265, member: 1521"] Well it sounds to me like you're calibrating pressuretrace -with parameters and math, like QL. What you see with it until actual, and confirmed, is relative. I'm not suggesting anything is wrong with pressuretrace, or QL, just that it's very hard to know actual pressure. The question is about 'calculating' pressure, and I think QuickLoad's accuracy is as good as you'll get there. Pressure trace does not calculate or predict pressure. It measures expansion and applies math to convert expansion to pressure. Right? What I believe is that relative peak pressure from both methods are good enough,, that 'seeing' the curve with PT is useful, but not necessarily more accurate than QL. Remember QL math has been validated with test barrels/ammo, and we validate the predictions with our MV measure. Are the inputs and calcs easy with PressureTrace? Well, given that most people here cannot use external ballistic software very well, it's hard to imagine they would do any better with internal ballistic software. I'm sure it's accurate only in the right hands. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Calculating Chamber Pressure
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