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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
A tale of two chrony's
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<blockquote data-quote="BryanLitz" data-source="post: 345019" data-attributes="member: 7848"><p>Very good insight Lou,</p><p>I agree with all your comments about chronographs. The clock is rarely the weak link in the units accuracy, but the sensors are where the questions come in. Stretching the spacing out is a sure way to reduce uncertainty in velocity measurement. I'm interested to hear what CED's comments are regarding the potential of longer screen spacing. </p><p>Jim Ristow (creator of RSI software and involved in CED design) told me that the CED sensors trigger off the base of the bullet rather than the tip because the base is better defined from an optics point of view.</p><p></p><p>Not to derail the topic, but has anyone had experience with the PVM chronograph? Anyone know where to read an objective, comparative review? They're real expensive (~$700 I think), but might be the answer to chrono uncertainty question.</p><p></p><p>-Bryan</p></blockquote><p></p>
[QUOTE="BryanLitz, post: 345019, member: 7848"] Very good insight Lou, I agree with all your comments about chronographs. The clock is rarely the weak link in the units accuracy, but the sensors are where the questions come in. Stretching the spacing out is a sure way to reduce uncertainty in velocity measurement. I'm interested to hear what CED's comments are regarding the potential of longer screen spacing. Jim Ristow (creator of RSI software and involved in CED design) told me that the CED sensors trigger off the base of the bullet rather than the tip because the base is better defined from an optics point of view. Not to derail the topic, but has anyone had experience with the PVM chronograph? Anyone know where to read an objective, comparative review? They're real expensive (~$700 I think), but might be the answer to chrono uncertainty question. -Bryan [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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A tale of two chrony's
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