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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Cronograph's ??
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<blockquote data-quote="D.ID" data-source="post: 779958" data-attributes="member: 14340"><p>I would have to concede that 90% of the erroneous results of chronograph use are user related and not mechanical.</p><p> I have always tried to be technically proper in my set ups and go threw all the motions and still had trouble off and on. Hence my overall opinion.</p><p> Just for the record: The reason I often find myself on the flip side of this debate is that all my discrepancies ceased to exist when I quit using my chronograph. Not just cheaper or faster but actually better more reliable data resulted from measuring gravitational drop from a 100 yrd zero to a 20moa hold needed to connect at 870yrds. After using that known trajectory to establish my velocities instead of my chrono I no longer needed to cheat my own numbers, no longer needed to fudge to get the calculators to align with the reality. I tested my loads for accuracy at those ranges with the same rounds. Saving time and barrel life.</p><p>The barrel mounted models may offer more consistency in speed tracking but would in all likely hood eliminate the ability to fine tune a load at the same time. </p><p>My method of measuring drops lets me, fine tune a load, check long range accuracy, verify drops and establish my velocity all at once without buying anything extra or messing with set up.</p></blockquote><p></p>
[QUOTE="D.ID, post: 779958, member: 14340"] I would have to concede that 90% of the erroneous results of chronograph use are user related and not mechanical. I have always tried to be technically proper in my set ups and go threw all the motions and still had trouble off and on. Hence my overall opinion. Just for the record: The reason I often find myself on the flip side of this debate is that all my discrepancies ceased to exist when I quit using my chronograph. Not just cheaper or faster but actually better more reliable data resulted from measuring gravitational drop from a 100 yrd zero to a 20moa hold needed to connect at 870yrds. After using that known trajectory to establish my velocities instead of my chrono I no longer needed to cheat my own numbers, no longer needed to fudge to get the calculators to align with the reality. I tested my loads for accuracy at those ranges with the same rounds. Saving time and barrel life. The barrel mounted models may offer more consistency in speed tracking but would in all likely hood eliminate the ability to fine tune a load at the same time. My method of measuring drops lets me, fine tune a load, check long range accuracy, verify drops and establish my velocity all at once without buying anything extra or messing with set up. [/QUOTE]
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Cronograph's ??
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