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Rifles, Reloading, Optics, Equipment
Equipment Discussions
Have been researching chronys and have ?'s.
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<blockquote data-quote="royinidaho" data-source="post: 384673" data-attributes="member: 2011"><p>I pretty much agree with phorwath said and add a bit of my own opinion.</p><p></p><p>I have used Chrony models for several years. I have the remains of two of them on a shelf. The third is still in use. The problem is I loan them out and people put too much of too slow burning powder and the unburned stuff penetrates the LCDs.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite11" alt=":rolleyes:" title="Roll Eyes :rolleyes:" loading="lazy" data-shortname=":rolleyes:" /> A simple piece of plexiglass would solve this problem or don't loan it out.</p><p></p><p>Clouds are a problem. If all clouds no problem. If intermittent clouds then velocity variations occur. Thus it is difficult to determine which velocity to hang your hat on, cloudy or bright.</p><p></p><p>I created a large shade such that the chrono is shade at all times. And shoot only between 10 AM and 4 PM mostly to keep peace in the neighborhood.</p><p></p><p>Velocity works itself out during drop chart development (If the bullet's bc is known). </p><p></p><p>consistent.</p><p></p><p>I use the chrono for ES and SD. Inasmuch as velocity is proportional to pressure the chrono helps with that also.</p><p></p><p>While the chono is a valuable tool it isn't the end all of devices.</p><p></p><p>Thus, I'd recommend the least expensive unit that will give velocity, average vel., SD and ES.</p></blockquote><p></p>
[QUOTE="royinidaho, post: 384673, member: 2011"] I pretty much agree with phorwath said and add a bit of my own opinion. I have used Chrony models for several years. I have the remains of two of them on a shelf. The third is still in use. The problem is I loan them out and people put too much of too slow burning powder and the unburned stuff penetrates the LCDs.:rolleyes: A simple piece of plexiglass would solve this problem or don't loan it out. Clouds are a problem. If all clouds no problem. If intermittent clouds then velocity variations occur. Thus it is difficult to determine which velocity to hang your hat on, cloudy or bright. I created a large shade such that the chrono is shade at all times. And shoot only between 10 AM and 4 PM mostly to keep peace in the neighborhood. Velocity works itself out during drop chart development (If the bullet's bc is known). consistent. I use the chrono for ES and SD. Inasmuch as velocity is proportional to pressure the chrono helps with that also. While the chono is a valuable tool it isn't the end all of devices. Thus, I'd recommend the least expensive unit that will give velocity, average vel., SD and ES. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Equipment Discussions
Have been researching chronys and have ?'s.
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