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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Ballistics Question
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<blockquote data-quote="Bart B" data-source="post: 655053" data-attributes="member: 5302"><p>Mike, I well understand your position in this matter. It may not matter that thousands (millions?) think as I do. Meanwhile, I and all those others will use MOA in the US of A shooting sports to mean one (1.00000000000000000000000000000.... adinfinitum) inch for every hundred yards. That's an exact value, too, and a lot more exact than MOA when the sine of 1 minute of arc is 0.00029088820456342459637429741574..... (there's not enough memory in our computer systems to hold all the digits) nor is there enough in any one of our computers to hold all the digits for the reciprocal of 60 to get a reading more accurate than the sine number above.</p><p></p><p>Does it matter that there's four different standards around the world for mils? Some are exact values but one is not. The "real" trigonometric unit of an angular mil in use by some telescopic sight manufacturers is based on pi which is not an exact number but starts out at 3.1415926535897932384626433832795...... then goes on and on adinfinitum.</p><p></p><p>How about the measurements for mile, ton, ounce which have more than one standard. Each unit is an exact value, too.</p></blockquote><p></p>
[QUOTE="Bart B, post: 655053, member: 5302"] Mike, I well understand your position in this matter. It may not matter that thousands (millions?) think as I do. Meanwhile, I and all those others will use MOA in the US of A shooting sports to mean one (1.00000000000000000000000000000.... adinfinitum) inch for every hundred yards. That's an exact value, too, and a lot more exact than MOA when the sine of 1 minute of arc is 0.00029088820456342459637429741574..... (there's not enough memory in our computer systems to hold all the digits) nor is there enough in any one of our computers to hold all the digits for the reciprocal of 60 to get a reading more accurate than the sine number above. Does it matter that there's four different standards around the world for mils? Some are exact values but one is not. The “real” trigonometric unit of an angular mil in use by some telescopic sight manufacturers is based on pi which is not an exact number but starts out at 3.1415926535897932384626433832795...... then goes on and on adinfinitum. How about the measurements for mile, ton, ounce which have more than one standard. Each unit is an exact value, too. [/QUOTE]
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