By the numbers
Joe crunches the numbers on the 2,707 yard shot in Afghanistan:
On the average you would have to shoot 83 three-shot groups to get one which was less than or equal to 1 MOA (about 30 inches).
10 Responses to “By the numbers”
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May 6th, 2010 at 9:17 am
I wonder what life is like in the part of the multiverse where the guy didn’t make all three shots.
Then again, I seem to be growing a beard, so maybe I have my answer.
May 6th, 2010 at 9:32 am
He’s overly optimistic in his assumptions, he’s not using the 250 gr at 3070 ft/s the British are using. That bullet goes subsonic at 2000 m.
May 6th, 2010 at 11:11 am
3 shots in the same area in under a minute. Odds on the guy could do it again given similar circumstances. Not with standing Joe’s numbers or his standing as long distance shooter.
May 6th, 2010 at 11:33 am
I didn’t know which bullet and the MV which was used by the British. Give me the BC of the bullet and I’ll rerun the numbers.
May 6th, 2010 at 1:40 pm
Hmm, 30% chance to hit per shot.
What are the odds of making 3 such shots in a row?
Not calling BS, however, it seems a bit . . . . exaggerated.
Sorta like the 4 ptr that by the end of the season is a 14 ptr.
May 6th, 2010 at 2:10 pm
Bullet weight: 250 grains
Bullet diameter: .338
BC: .587
Muzzle velocity: 2950 FPS
If i’m calculating right, that equates to ~ -5794″s @ 2700 yds. Thats gonna be one hell of a hold over.
May 6th, 2010 at 2:30 pm
Or maybe the snipers know something you don’t.
May 6th, 2010 at 3:17 pm
I once got 9 yellow M&Ms, one after another, out of a vending machine packet of M&Ms. I poured out the bag’s remaining candies after #9 and saw several of each color. I just got the especially yellow-full bag by chance, and the first 9 candies were also yellow by pure chance, despite the presence of all the other M&M colors in the same bag.
That this was at 3am while studying statistics for a college final did not sit well with me. But it happened.
May 6th, 2010 at 4:04 pm
If I see again, I’ll link it–bullet drop at that distance was almost 400 ft.
Damn.
May 7th, 2010 at 1:23 am
Take two. Not much is different. The time of flight increased some and the target velocity decreased some.
I did notice an error in reporting the number of groups you would have to shoot to get a 1 MOA group at the range. It should have been 4.9 instead of 83. I don’t know if that was a data input error on my part or a subtle bug in the program.
Sorry about that.