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Old 06-24-2020, 08:48 AM
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I just bought a Caldwell Chrono. I thought I might be able to test before I get to the range, thought I could set it on the side and drop something through it and see the reading but I dont get a reading, no error or anything. anyone have a Caldwell and have a way to get a reading from it while sitting in an office?

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Old 06-24-2020, 10:35 AM
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I doubt that a dropped object is fast enough to “read”.
Let us know how it works on the range.
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Old 06-24-2020, 10:42 AM
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Got an air gun? Probably fast enough, but the pellet may be too small to pick up.

P.S. Are you underneath fluorescent lights? They can play havoc with chronographs. Maybe dimmable LED lights too, but I haven't seen that firsthand.

Last edited by Krogen; 06-24-2020 at 10:44 AM.
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Old 06-24-2020, 10:51 AM
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What are you dropping through it? You can figure the velocity of a falling object without a measuring device. It’s a constant at 9.8 meters / square second at sea level. That’s close enough to calculate it if you know the distance it falls.
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Old 06-24-2020, 11:33 AM
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I think the thing doesn't measure low enough to pick up, we'll see at the range

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Old 06-24-2020, 11:33 AM
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My Chrony will measure .177 airgun, in the 500 fps range. Good lighting is essential indoors and outdoors.
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Old 06-24-2020, 12:01 PM
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If you have a sling shot, maybe........

in dire straights a rubber band and wrapped paper clip, might work but mine works with a BB gun so I did not have to try these options out.

Good luck

PS;
some need a light source, to work.

Last edited by Nevada Ed; 06-24-2020 at 12:04 PM.
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Old 06-24-2020, 12:35 PM
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Interesting. A friend has had a new Caldwell for a while and a couple of weeks ago, when I was visiting, we got it out. I set it up in his basement and I tried to throw something through it. Nothing. It should pick it up if you read the range of speeds it will pick up. I decided being inside with florescent lights was the problem.

The next day we took time to take it outside and set it up plugged in. It worked fine and I wish I would have tried throwing something again. I tried with both the sky screens and the LED screens and both worked until the shade from a nearby tree started causing problems for the sky screens. The one thing I could not get to work was the app which would really be nice for keeping track of strings. I tried three different Android phones and none of them would work. The app has a terrible rating and I am sure to be doing something incorrectly but I can't figure it out.

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Old 06-24-2020, 01:04 PM
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Quote:
Originally Posted by Huskerguy View Post
Interesting. A friend has had a new Caldwell for a while and a couple of weeks ago, when I was visiting, we got it out. I set it up in his basement and I tried to throw something through it. Nothing. It should pick it up if you read the range of speeds it will pick up. I decided being inside with florescent lights was the problem.



The next day we took time to take it outside and set it up plugged in. It worked fine and I wish I would have tried throwing something again. I tried with both the sky screens and the LED screens and both worked until the shade from a nearby tree started causing problems for the sky screens. The one thing I could not get to work was the app which would really be nice for keeping track of strings. I tried three different Android phones and none of them would work. The app has a terrible rating and I am sure to be doing something incorrectly but I can't figure it out.
It's in how you configure the app. My problem was I was trying to use the bluetooth setting. It wouldn't work on any of my Android phones. I had to uncheck it and it has worked fine since.

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Old 06-24-2020, 03:54 PM
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I have shot a rubber band (with fingers) across my optical chrono equipped with an active light screen.
Registered 95 fps.
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Old 06-24-2020, 05:01 PM
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Quote:
Originally Posted by Kodiakco View Post
It's in how you configure the app. My problem was I was trying to use the bluetooth setting. It wouldn't work on any of my Android phones. I had to uncheck it and it has worked fine since.

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Thanks for the tip. I figured it was some setting but at that time I didn't have the time to experiment with things.
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Old 06-25-2020, 08:52 AM
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I haven't been able to get mine to read indoors either but it works fine once properly set up outdoors at the range. It's finicky about how the sun hits the sensors. Unless the sun is directly overhead the shields don't really shade the sensors and that can be a problem on a sunny day. I've found it works best on overcast days without direct sunlight.

I had it at the range earlier this week on a bright sunny day and at first it was working but then it started giving real erratic readings. After I moved to a shady spot it started working properly again.

I have yet to be able to get the app to work on either my kindle fire tablet or android phone. Both keep giving connection errors no matter how many times I unplug the cord or switch ends. I gave up and just write the numbers on paper. That's easy enough to do since I'm shooting from a rest only 12 ft away and the display is big enough to read from that distance. I then enter the info on a spreadsheet when I get home.
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Old 06-25-2020, 09:07 AM
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Quote:
Originally Posted by akoda View Post
I just bought a Caldwell Chrono. I thought I might be able to test before I get to the range, thought I could set it on the side and drop something through it and see the reading but I dont get a reading, no error or anything. anyone have a Caldwell and have a way to get a reading from it while sitting in an office?

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All chronograph's depend on seeing the shadow of the bullet, bb, paper clip, etc. It cannot do this if it is setting on its side and something is dropped thru it. The object must go over the sensors horizontally.
FWIW I have a Caldwell G3. That is the inverted model where the sensors are at the top. This has never failed me, inside or outside. I do use the bluetooth program with my Android phone and all works well.
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Old 06-25-2020, 06:19 PM
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Quote:
Originally Posted by mmb617 View Post
I haven't been able to get mine to read indoors either but it works fine once properly set up outdoors at the range. It's finicky about how the sun hits the sensors. Unless the sun is directly overhead the shields don't really shade the sensors and that can be a problem on a sunny day. I've found it works best on overcast days without direct sunlight.

I had it at the range earlier this week on a bright sunny day and at first it was working but then it started giving real erratic readings. After I moved to a shady spot it started working properly again.
That's why I got the active light screens.
They are infrared which you can't see but the sensors do.
The indicator lights show you when it's actually on.
If they still offer these, try 'em out.
They work wonders for indoor use as the usual fluorescent lighting doesn't stimulate the sensors very well.
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Last edited by Nemo288; 06-25-2020 at 06:22 PM.
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Old 06-25-2020, 06:23 PM
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Quote:
Originally Posted by akoda View Post
I just bought a Caldwell Chrono. ... anyone have a Caldwell and have a way to get a reading from it while sitting in an office?

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Used my grandson's nerf pistol to check mine. Won't break anything in your office if your aim is off!
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Old 06-25-2020, 07:17 PM
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Quote:
Originally Posted by Krogen View Post
Got an air gun? Probably fast enough, but the pellet may be too small to pick up.

P.S. Are you underneath fluorescent lights? They can play havoc with chronographs. Maybe dimmable LED lights too, but I haven't seen that firsthand.
My Beta Chrony reads BB's 400-600 fps consistently.
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Old 06-29-2020, 07:52 PM
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I took the chrono to the range and damn if I didn't shoot it new Caldwell Chrono I felt bad for a minute and ordered another one, prime. .... there the next day

i still felt bad and googled , as it turns out i am not the only one. i read only two types of chronos. ones that have been shot and one that will new Caldwell Chrono (I know some can't be)

this time I also bought a pistol rest new Caldwell Chrono that made it better. plus tips I read online.

got some good data that can help me move forward

here was my setup this evening, still learning

looking for the money I am saving too ...

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Old 06-29-2020, 08:56 PM
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In over 30 years I've never shot mine. Oehler 35P. crony is on the table next to you. Only sky screens out front. Never shot those either. When setting up your cronograph set a target up high enough that you only shoot through the middle of the pickup area.
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