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Post by bula on Dec 25, 2018 8:36:03 GMT -5
The young friend that I gave a RockChucker to was here to help me a plumbing issue a month ago or so. He wouldn't take money. I've never had a chrono or access to one. So I did get him to take 60 bucks and told him to ante in and get us a chrono. I'll add in a bit more too if needed. We'll share it.
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Post by coldtriggerfinger on Dec 25, 2018 14:56:17 GMT -5
The trick to a chronograph is !
Don't Shoot It !!!!
I've had lots of Shooter's Chrony brand . they work good. No they are not an Ohler or Magneto Speed or that acoustic one.
But they do OK. Don't cost a lot and if you keep fresh batteries with it . Are reliable.
I recommend the one with the remote display or the printer.
My current one is the F1 model. It only displays the current shot and doesn't catalog the shots. So its kind of a pain logging each shot by hand.
But it works. Gives time to keep from overheating the throat.
The sun's position at the time of the shot has some affect , sometimes a lot of affect. On the accuracy of the readings with every optical chronograph.
Specs of unburnt powder will give an error reading so I never shoot closer than 15 feet . Muzzle to chrony.
Its best to take the time to set up a target that puts everything inline from the bench , thru the chrony , to the bullseye !
In snow on the ground conditions . Get a big cardboard box. Spray paint it dull flat black inside. Cut a 4-6" circle in both ends where you want the bullets to pass thru the screens.
There are lots of tricks to getting an optical chronograph to work correctly in different conditions.
Personally I think the most accurate conditions are a lighted chronograph and shoot in pitch black dark with just the target and chrony lighted.
Where your down south, your sun is higher in the sky than up here so you have the potential to have much easier and more accurate and consistent readings.
Bet ya didn't know it was this complicated didja ? ;-)
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Post by crazycarl on Dec 25, 2018 15:09:57 GMT -5
I second the Chrony. Decent kit & works for my needs. I've got the one with the remote display & it catalogs shots & gives you hi, low, average, ES & SD.
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alamogunr
.30 Stingray
IGNORE PREVIOUS MESSAGE
Posts: 294
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Post by alamogunr on Dec 25, 2018 21:51:28 GMT -5
I got the CED M2. All the electronics are separate from the sensors. It cost more than several others and gives more information than I need but I also don't need to worry about shooting the brains. Most of the other comments by coldtriggerfinger apply.
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Post by todddoyka on Dec 26, 2018 14:28:29 GMT -5
i have a caldwell ballistic precision chrony and a tripod for around $100. it will do either your cell phone or a laptop on SD,ES, average, low and high shots. it works for me.
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Post by coldtriggerfinger on Dec 27, 2018 2:06:30 GMT -5
Never heard of such a thing. But it sounds like it would be Great!!
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lws
.30 Stingray
Spokane Valley, Washington
Posts: 229 
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Post by lws on Dec 27, 2018 11:00:30 GMT -5
I have had one over 10 yrs and it has never been out of the box.
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Post by bula on Dec 27, 2018 11:36:13 GMT -5
Is that an offer of some kind ? I've never had one, been loading since early '80's. Young friend wants to load for things outta my comfort zone and I want us to be safe. Am curious as to many of my years old recipes too.
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Post by todddoyka on Dec 27, 2018 12:32:06 GMT -5
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lws
.30 Stingray
Spokane Valley, Washington
Posts: 229
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Post by lws on Dec 27, 2018 14:44:06 GMT -5
no just saying never used the one I have. |
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lws
.30 Stingray
Spokane Valley, Washington
Posts: 229
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Post by lws on Dec 27, 2018 14:45:52 GMT -5
no just saying never used the one I have. it will go to my son in Idaho shortly. |
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Post by coldtriggerfinger on Dec 27, 2018 18:32:19 GMT -5
I think a chronograph is extremely important.
A 3 cent primer and an inexpensive brass case is a poor excuse for a pressure vessel. And someone that says they can judge bullet speed by recoil and muzzle blast is full of $μ¡+ !!
Once a guy starts chronographing it is a real eye opener.
Buy a box of 105 gr 243 ammo that lists around 3000 fps on the box. Chrono it and it's only showing an erratic 2650 fps.
Ect .
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Post by bula on Dec 31, 2018 11:31:23 GMT -5
Thank you folks. Have related your thoughts onto my friend to add to his research. He is leaning towards the mentioned Caldwell so far.
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