Cool Picture Thread

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Re: Cool Picture Thread

Postby Deepcrush » Fri Dec 14, 2012 10:03 pm

That depends on the bullet. Soft top rounds or flex rounds and you're good. Solid piece rounds and you're still in trouble at anything less the thirty feet.
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Re: Cool Picture Thread

Postby Captain Seafort » Fri Dec 14, 2012 10:08 pm

And I assume you're just talking about handguns there. Rifles would obviously extend that.
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Re: Cool Picture Thread

Postby stitch626 » Fri Dec 14, 2012 10:11 pm

If fired in water maybe (haven't looked up anything yet on rifles in water).

Fired from outside, and 6 inches can stop a 50cal anti armor round.
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Re: Cool Picture Thread

Postby Teaos » Fri Dec 14, 2012 10:42 pm

They did bullets in water on mythbuters. Rifles were useless. The bullets exploded when they hit the water.
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Re: Cool Picture Thread

Postby Deepcrush » Fri Dec 14, 2012 10:53 pm

Super sonic rounds vs water doesn't work from an aiming point of view. Their KE causes an extreme of force that turns the rounds into shrapnel. That however should not make anyone believe they are useless, they just aren't accurate.
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Re: Cool Picture Thread

Postby stitch626 » Sat Dec 15, 2012 4:15 pm

Deepcrush wrote:Super sonic rounds vs water doesn't work from an aiming point of view. Their KE causes an extreme of force that turns the rounds into shrapnel. That however should not make anyone believe they are useless, they just aren't accurate.

They are useless, the shrapnel slows to almost nothing within the first few inches.
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Re: Cool Picture Thread

Postby Deepcrush » Sun Dec 16, 2012 2:42 pm

stitch626 wrote:They are useless, the shrapnel slows to almost nothing within the first few inches.


No, some are useless, others are still lethal. I've seen flak vest punched by rounds and shrapnel at a far greater ranges then a few inches.
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Re: Cool Picture Thread

Postby Jim » Sun Dec 16, 2012 9:11 pm

Oddly, the more powerful rounds like the .50BMG lost their lethality in shorter distances of water (14 inches) as opposed to slower pistol rounds (4 to 8 feet). And as the angle increases from vertical (as in not shooting straight down) the distance before non-lethal becomes less. The 8ft for the 9mm round at 90% became only 4 ft at 30%.

http://kwc.org/mythbusters/2005/07/mythbusters_bulletproof_water.html

http://www.youtube.com/watch?v=yvSTuLIjRm8

It's odd that a large round like the .50 can go through armour plating but not be lethal in 2 feet of water.
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Re: Cool Picture Thread

Postby Deepcrush » Mon Dec 17, 2012 12:58 am

Its just a matter of KE, the faster the round the more energy is transfered to the water on impact and thus more strain on the bullet. Supersonic rounds normally don't do well, but subsonic rounds are the reverse.
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Re: Cool Picture Thread

Postby Graham Kennedy » Tue Jan 01, 2013 10:56 pm

Home for Christmas...

Image

From bottom to top, front to back, or left to right:

Aircraft carrier DWIGHT D. EISENHOWER (CVN 69)

Aircraft carrier GEORGE H. W. BUSH (CVN 77)

Aircraft carrier ENTERPRISE (CVN 65)

Amphibious assault ship BATAAN (LHD 5)

Aircraft carrier ABRAHAM LINCOLN (CVN 72)

Aircraft carrier HARRY S TRUMAN (CVN 75)

Amphibious assault ship WASP (LHD 1)

Amphibious assault ship KEARSARGE (LHD 3)

Amphibious landing platform dock NEW YORK (LPD 21)

A T-AKE dry cargo ammunition ship

Amphibious assault ship IWO JIMA (LHD 7)

and various cruisers, destroyers, frigates and submarines of the U.S. Atlantic Fleet.
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Re: Cool Picture Thread

Postby Captain Seafort » Tue Jan 01, 2013 11:02 pm

So, the Bush has a marquee on her deck, and the Big-E (has she officially been decommissioned yet) has a bunch of portacabins. Why? :?
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Re: Cool Picture Thread

Postby McAvoy » Wed Jan 02, 2013 1:58 am

Basically storage and to protect whatever they are doing from weather. They could be redoing the non-skid.
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Re: Cool Picture Thread

Postby DarkMoineau » Sat Jan 05, 2013 11:41 am

It's impressive to see how big they are and how a force like this one could, alone, beat almost any other navy in the world.

And there is only some ships, not even a complete Carrier Battle Group.
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Re: Cool Picture Thread

Postby Graham Kennedy » Sat Jan 05, 2013 12:17 pm

Never mind any other navy, that force could beat every other navy in the world combined without breaking a sweat.
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Re: Cool Picture Thread

Postby DarkMoineau » Sat Jan 05, 2013 1:04 pm

Yeah the US Navy and the 10 Carrier group can beat every other navy. After all the rest of the world could do what? France has a complete carrier group, China is building one, but the other countries? England hasn't anymore, but two are planned, and other carrier owner don't have proper carrier group.
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