Things I (re)learned about chronographs
- Thread starter WR Moore
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halfmoonclip
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Had an Ohler for years, it gave great service, only shot it with the Scorpion with an optic...forgot about the difference in optic and bore height. Happily, the skyscreens are relatively inexpensive, and Ohler offered great CS.
Used mine in our Club's indoor range, and it won't work with fluorescent lights, so it was necessary to use 12" incandescent 'display' lights, which clipped on the skyscreen shades. But this meant stringing power cords, as well as the lines to the skyscreens themselves.
Got a LabRadar for Christmas four years ago, and have been extremely pleased. Setup is painless, and it generally works without drama.
Moon
Used mine in our Club's indoor range, and it won't work with fluorescent lights, so it was necessary to use 12" incandescent 'display' lights, which clipped on the skyscreen shades. But this meant stringing power cords, as well as the lines to the skyscreens themselves.
Got a LabRadar for Christmas four years ago, and have been extremely pleased. Setup is painless, and it generally works without drama.
Moon
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I don't follow the part about "another variable that needs attention". What does that mean?
Sometimes, compressed loads provide the best accuracy; maybe even velocity. On occasion, they become an integral part of the load development process.
How does it compare to a Garmin regarding cost and reliability?
Lance Boyle
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Well cost is going to be less than a good comparison as the CED they quit offering and I bought it 16+ years ago iirc. Iirc it was $225ish then. Iirc I bought it on sale and at the time a Chrony brand was a lot less. The CED brains were on the bench with wire leads running 15 yards to the down range sky screens. You could shoot the screens but they were like $20 if you shot them. I never did as I was quite careful and about surveyed mine in to shoot groups at the same time with my bullets centered over the sensors and just a couple inches over the sensor windows for best consistency.
I got the Athlon unit on a pre buy for $325.
The CED worked most of the time but would miss/get an error message on some shots, maybe less than 5% but there for sure. Mostly a sun and cloud issue. More than once horse flies and june bugs made a dash through the screens like a teenager hitting one of those town PD “your speed is ##” radar setups. With the screens and sunshades on sometimes a modest wind could spin the screens off the boreline or even get blown over. I used a cheap walmart tripod then. Light but too light and I would hook a sand bag on a hook under the tripod center shaft. The cheap plastic still didn’t lock the pan action all that well. That of course is a tripod issue.
The Athlon doppler radar unit has yet to miss anything. It just doesn’t. It sets up in half a minute. I couldn’t go back!
Mine is an Athlon unit not a Garmin. Pretty much the same thing in a similar format.
I got the Athlon unit on a pre buy for $325.
The CED worked most of the time but would miss/get an error message on some shots, maybe less than 5% but there for sure. Mostly a sun and cloud issue. More than once horse flies and june bugs made a dash through the screens like a teenager hitting one of those town PD “your speed is ##” radar setups. With the screens and sunshades on sometimes a modest wind could spin the screens off the boreline or even get blown over. I used a cheap walmart tripod then. Light but too light and I would hook a sand bag on a hook under the tripod center shaft. The cheap plastic still didn’t lock the pan action all that well. That of course is a tripod issue.
The Athlon doppler radar unit has yet to miss anything. It just doesn’t. It sets up in half a minute. I couldn’t go back!
Mine is an Athlon unit not a Garmin. Pretty much the same thing in a similar format.
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