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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Foot pounds of energy calculator.
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<blockquote data-quote="ARlife4me" data-source="post: 2518003" data-attributes="member: 105694"><p>The 450,240 constant is the 1st time I've seen that. I've always used 450,400 as the constant. From apps and other sources that auto calculate I reverse engineer the calculations and go from there. I've done the same thing with rpm, drive train, final drive (rear end ratios) and tire size (I've forgotten if the constant is 336 or 366, but will refigure it). Most apps or other computations don't agree on final numbers (example: QL vs Lapua).</p></blockquote><p></p>
[QUOTE="ARlife4me, post: 2518003, member: 105694"] The 450,240 constant is the 1st time I've seen that. I've always used 450,400 as the constant. From apps and other sources that auto calculate I reverse engineer the calculations and go from there. I've done the same thing with rpm, drive train, final drive (rear end ratios) and tire size (I've forgotten if the constant is 336 or 366, but will refigure it). Most apps or other computations don't agree on final numbers (example: QL vs Lapua). [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Foot pounds of energy calculator.
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