Trajectory
- Thread starter SoldSpartan
- Start date
More info probably needed, like what grain weight and FPS for each caliber.
All things equal though (they usually aren't) it depends upon the distance, I think. Shorter distances favors smaller calibers and longer distances favor larger calibers. That's only a very general rule of thumb though, easily violated in any number of specific examples.
Bottom line, again, is that it depends.
All things equal though (they usually aren't) it depends upon the distance, I think. Shorter distances favors smaller calibers and longer distances favor larger calibers. That's only a very general rule of thumb though, easily violated in any number of specific examples.
Bottom line, again, is that it depends.
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Sorry Jim, but saying that caliber has absolutely nothing to do with it simply not true as a blanket statement. Ditto your seeming assertion that the only relevant factor is FPE . I ask with all due humility and respect that you PLEASE do some research before leading the OP or other readers astray.
OP, research "ballistic coefficient" for a taste of the complexities involved here. It will take a while but you just might have fun geeking our on the topic since you're asking the question to start with.
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As an aide, what is the absolute difference in BC between say a CPHP .177 and a CPHP in .22?
Base solely on my ignorance, I would put it dang close " negligible" if even measurable beyond the theoretical.
Base solely on my ignorance, I would put it dang close " negligible" if even measurable beyond the theoretical.
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I have to agree with Mousefart regarding more information is needed. If you would download Chairgun Pro from the Hawke optics site and get to know it you can play with all kinds of inquires regarding trajectory as well a many other factors (like FPE).
Input the proper information and you will see what you can expect from your preferred airgun(s). Some inputs such as scope height can be tricky to find but some searching on the internet can provide several methods. I am a big believer in this program and like to have a realistic expectation of what my gun can do in the field before I go out. Factors such as wind can play with the actual results in the field but overall Chairgun will provide all the info you need to start with.
Part of the journey in the airgun hobby is learning so enjoy the trip....
Input the proper information and you will see what you can expect from your preferred airgun(s). Some inputs such as scope height can be tricky to find but some searching on the internet can provide several methods. I am a big believer in this program and like to have a realistic expectation of what my gun can do in the field before I go out. Factors such as wind can play with the actual results in the field but overall Chairgun will provide all the info you need to start with.
Part of the journey in the airgun hobby is learning so enjoy the trip....
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Oh please. The OP being a newb is no excuse for feeding him or any others reading this thread bad info, as you've done.
Doubling down on said bad info under the auspices of a newb being too new to handle or even be introduced to a BC discussion is an insult. If he's bright enough to ask, he's bright enough to be told the truth, and not some dumbed-down, demonstrably false, "babies come from storks" narrative.
At the the very least, don't make false blanket statements as if they are fact, and don't treat your fellow hobbyists as if they're not up to your mental standards. People come here to learn and not to be talked down to.
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Ok. I have failed to be understood. My bad. I will edit out the offending parts.
Caliber by itself does not hold any meaning to trajectory.
Caliber by itself does not hold any meaning to trajectory.
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The data I have seen for my .25 cal, 34g, 760 FPS pellet indicates that the farthest it can go, even when fired on a 45 degree up line, is approx 600 yds. At that point it's falling nearly straight down and virtually harmless. If it fell on your head it wouldn't even mess up your hair. I do say "virtually" with some caution though, and to be safe would consider anything within that radius a "kill zone".
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So what is the range where a pellet of an air rifle in .22 cal go before it can hurt someone?
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I think one of these charts will cover the .22 pellet range if you don't want to download one of the programs that cover that?
https://www.bing.com/images/search?q=.22+cal+pellet+trajectory+chart&qpvt=.22+cal+pellet+trajectory+chart&qpvt=.22+cal+pellet+trajectory+chart&qpvt=.22+cal+pellet+trajectory+chart&FORM=IGRE
https://www.bing.com/images/search?q=.22+cal+pellet+trajectory+chart&qpvt=.22+cal+pellet+trajectory+chart&qpvt=.22+cal+pellet+trajectory+chart&qpvt=.22+cal+pellet+trajectory+chart&FORM=IGRE
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Ok, I did some digging for you. A fairly hot .22 firing one of the heavier .22 pellets degrades to the muzzle energy of a fairly hot airsoft gun by about 450 yards. An airsoft isn't gonna hurt you unless you get hit in the eye, so I would apply some fudge factor there for safety's sake and say that 600 yards is the extreme range of your .22, and that anyone inside that is vulnerable unless wearing eye protection.
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I setup chairgun Toolbox app for a .22 JSB 18gr fired at 935fps (my MCT's velocity) for max distance and got a max range of 596 yards when fired at 22 degrees. Peak flight is 464 ft up and the pellet will be flying for about 10.33 seconds before landing at about 133 ft/sec with about 1 ft/lb of energy.
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Interesting. I calculated under 425 yds for an 18g. What BC and drag law did you use, if you don't mind my asking?
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