How accurate is your chronograph?
- Thread starter Airgun-Revisions
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As I said the ohler is for confirmation and what makes it even more accurate than the spacing is it can be spaced up to 10' recamended for the fastest projectiles. 400 fps x10 for 4000 fps rifles, on the 33 or 35.
I mistakenly said 33, my gunsmiths is a 35, maybe 35p not sure, but its over 15 years old. But I would never Hassel with it, it uses 3 screens and I think he spaces his @ 5 feet
I only have had him use it to verify mi chrony a couple times. 5 even 10 fps differance can be the differance from day to day atmospheric conditions. But my speeds were always withing single digits.
You want compact, easy, precise today,,,, buy a Garmin. If my chrony ever dies, the Garmin will be bought. But I have used a chronograph weekly and sometimes daily for over 35 years. Handguns and rifles, bows and airguns
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I am thinking i should have bought one of the "old has been " Lab radar when the new FX's came out and a few people sold cheap .
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I agree. Threads here are to learn from and this is a good one for that.
It strikes me that all this could easily be resolved by the airgun manufacturers' testing and marketing departments. If they were to advertise that their products would deliver a velocity within a given range instead of a set number, that would be real data (instead of "just marketing"). The chrono makers do it that way, so why not have the airgun makers do the same?
I would have been much happier to see 'the truth' instead of finding that the QB was only putting pellets downrange at about 80% of the velocity that was advertised (and printed on the box). A few shops will check their guns' velocity before they go out the door and that's a good thing. The manufacturers should consider doing the same. That way we wouldn't be finding the difference between truth and marketing right there on the face of our fairly accurate chronographs.
Cheers,
J~
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I just don't get the hype of the OP.
I'm not sure how many stupid-simple Caldwell chronys I sold over the 3 decades I worked weekends at a largish gun shop but it has to be 1000 or more.
The Caldwell Rep came into our shop with the new at the time CBC 48HZ processor along with a broken wire, all analog calibration rig.
In the end, the newer chronys don't fall off and they are pretty darn accurate. They meet the needs of the general public and power users get Lab Radar units that are field calibratable and are fantastically accurate.
I just feel this is a non-issue.
I'm not sure how many stupid-simple Caldwell chronys I sold over the 3 decades I worked weekends at a largish gun shop but it has to be 1000 or more.
The Caldwell Rep came into our shop with the new at the time CBC 48HZ processor along with a broken wire, all analog calibration rig.
In the end, the newer chronys don't fall off and they are pretty darn accurate. They meet the needs of the general public and power users get Lab Radar units that are field calibratable and are fantastically accurate.
I just feel this is a non-issue.
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A new chronograph when not used properly will give mixed results then user blames the gun because all chronographs are supposed to be accurate no matter what they do or the environment they’re in. This is the false pretense that a lot of newer Airguners are thinking. Or ones that just started using a chronograph.
I totally agree that a new out of the box used properly chronograph are all mostly good enough. Now a year down the line, comparing two of them, using a totally different gun like a large bore that has a vapor trail or the difference between a 60° day and a 30° day will make a huge difference that a new user does not comprehend. I’ve even had customers use a mixed tin of pellets then say that the gun is not consistent.
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A thread like this is good for the simple fact that it informs us that chronographs are mostly quite accurate. That's the kind of thing that's not general knowledge.
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I have to say mine do, if you use a pellet wieght average. But if you want accurate representation of your air gun, you'll get much less disappointment buying the top end guns. There is more bogus claims on speed from the bottom of the barrel guns, as they don't have anything else to offer. But most find that less disappointment than the accuracy they get. If they do get the velocity they claim with light pellets their getting the claim from, well the shock the noise and the failure to hit anything you aim at is more concerned than speed.
Far to many put importance on speed, although not as bad as bow shooters! 50 to 100 fps is a lot less differance out 30 to 50 yards than most understand! Archers are truly ridiculous, thinking 20 fps is a measurable differance in trajectory out 50 yards!
But for the best representation of performance, most experienced airgunners know FPE is a much better representation than FPS! That would be a less surprising representation of performance. But you can thank the shooting fraternity for why manufactures use FPS to sell their guns. Most pay more attention to speed, than anything that realy matters!
Like I tell bow shooters all the time, from one bow to the next,,,,, SPEED IS JUST A BIPRODUCT! It is my least important factor buying anything that goes bang or twang, even poooooof!
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Say what you will, this thread just go more entertaining!
Here's an illustration of our original understanding of any new measurement system.
Cheers,
J~
Here's an illustration of our original understanding of any new measurement system.
Cheers,
J~
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