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9/11/2007 5:42:39 PM EDT
If this question does not belong here I appologize. I have been asked this a few times at our high power sillouette matches. What is the maximum distance a bullet of any given caliber will travel. I'm sure it depends on the air temp, baro pressure, wind and other factors, so let's use pilot talk and call it a standard day(59 degrees, 29.95 pressure, zero wind, and sea level. Is there a link to a chart that anyone knows of? Thanks for your time.
9/11/2007 5:52:04 PM EDT
[#1]
While someone in here might be able to help you out, you will probably get a quicker answer and better discussion over in the ammo forum.

ETA: It depends on which round you are talking about...For instance a 50cal is obviously going to travel further than a .22.
9/11/2007 5:56:28 PM EDT
[#2]
The basic equation for range for a ballistic arc (which is only approximate in these conditions, as it doesn't account for many smaller variables) is:

R = V^2*sin(2r) / g

where
R = range
V = initial velocity
r = angle of launch
g = acceleration from gravity (9.8 m/s^2)

As you can see, this does not take into account environmental variations, air resistance, ballistic coefficient, etc.
9/11/2007 5:59:16 PM EDT
[#3]
Thanks for the reply, kinda makes me wish I wouldn't have flunked algebra back in 1971.
9/11/2007 6:00:41 PM EDT
[#4]
Edited due to the lame, uselessness of my post.
9/11/2007 6:01:20 PM EDT
[#5]
If you give me an hour I can get home to my computer and I'll give you a much more complete answer.
9/11/2007 6:04:13 PM EDT
[#6]
Maximum Range is obtained with the muzzle of the firearm elevated 28 to 34 degrees.  

Examples:

5.56 X 45mm M193, 3842 yards

7.62x 51mm M80, 4469 yards

.30-06 Springfield 180 grain SPBT, 5670 yards

22 LR, 1588 yards

9 X 19mm, 2130 yards



information from NRA Firearms Sourcebook
9/11/2007 6:06:08 PM EDT
[#7]
Thanks again for the knowlege my friends!
9/11/2007 6:06:45 PM EDT
[#8]

Quoted:
The basic equation for range for a ballistic arc (which is only approximate in these conditions, as it doesn't account for many smaller variables) is:

R = V^2*sin(2r) / g

where
R = range
V = initial velocity
r = angle of launch
g = acceleration from gravity (9.8 m/s^2)

As you can see, this does not take into account environmental variations, air resistance, ballistic coefficient, etc.


Holly shit, I was interested in the answer but not if I have to do that equation!
9/11/2007 6:16:58 PM EDT
[#9]

Quoted:

Quoted:
The basic equation for range for a ballistic arc (which is only approximate in these conditions, as it doesn't account for many smaller variables) is:

R = V^2*sin(2r) / g

where
R = range
V = initial velocity
r = angle of launch
g = acceleration from gravity (9.8 m/s^2)

As you can see, this does not take into account environmental variations, air resistance, ballistic coefficient, etc.


Holly shit, I was interested in the answer but not if I have to do that equation!


The nice thing about math is that you can use it to figure out things in any situation.  Check these out.
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