Thread: chronies?
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Old April 29, 2013, 10:32 AM   #12
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Join Date: September 27, 2004
Posts: 4,811
Really a waste of money. Sure you can see velocity of loads but don't tell you where it hits paper.
A Chronograph gives more than just "speed", that's just one of its uses. By using the other information a chrony gives you & doing a little homework you can get quite a good idea of its performance on paper!

As you work up a load you'll see a change in the variations shot to shot as the powder charge & type are changed. Once you get a load that runs at safe pressures & gives you the velocity you're looking for you can work with things like Extreme spread, Shot to shot deviation & so on to get much more consistant (& therefore more accurate) loads. Without a chronograph's statistical data you will get there at the bench, but It'll cost more & take longer.
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