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Faulty sub welds spur inspection of 4 carriers, 3 more subs
12/14/07

Posted on 12/15/2007 3:17:25 PM PST by TigerLikesRooster

http://www.navytimes.com/news/2007/12/navy_faulty_shipwelds_071214w/


TOPICS: Your Opinion/Questions
KEYWORDS: carrier; navair; navy; submarine; welding
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To: TigerLikesRooster

Well, they met their schedule. That’s what’s important isn’t it?


41 posted on 12/15/2007 8:14:33 PM PST by fso301
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To: Mariner
To: lewislynn
Subs are not made of steel.
Titanium alloy.

38 posted on 12/15/2007 7:32:46 PM PST by Mariner

Finally someone with knowledge.
Yes, all US subs are steel and limited to a cruising depth of about 1500ft. Even the newest Seawolf.
WTF?
42 posted on 12/15/2007 10:09:36 PM PST by lewislynn (What does the global warming movement and the Fairtax movement have in common? Disinformation)
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To: madison10

Also why parachute riggers jump with randomly selected chutes they packed.


43 posted on 12/15/2007 10:24:49 PM PST by SeaHawkFan
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To: VeniVidiVici

That was the USS San Francisco. The problem is that the damage was not limited to the front section of the boat. The impact caused buckling along the entire hull, and the boat will probably be scrapped.


44 posted on 12/15/2007 10:33:41 PM PST by rottndog ("The Ides of December, they have come...." "Aye, but they are not gone....")
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To: lewislynn
WTF?

Shhh! Disinformatsiya.

Ixnay on the alkingtay.

45 posted on 12/15/2007 11:14:23 PM PST by VeniVidiVici (No buy China!!)
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To: rottndog
Thanks for the update. I saw a pic awhile back when it first got back to port. Unbelievable the boat made it back. Let me see if I can find it....ah. Here we go. Hats off the the guy who got her back and surely got sacked.


46 posted on 12/15/2007 11:17:13 PM PST by VeniVidiVici (No buy China!!)
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To: Castlebar
They do NDT these welds, you know.

That used to be my bread and butter. Of course if the metal aint right the x-rays and other tests can still look good. And a Telley/Brinell hardness test my not be legal. I hear that now days they have NDT ways of testing the metalurgy.

47 posted on 12/15/2007 11:20:00 PM PST by fella (The proper application of the truth far more important than the knowledge of it's existance."Ike")
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To: VeniVidiVici; rottndog

Apparently, the Navy has decided to take the bow off the USS Honolulu and weld it onto the San Francisco, even though the San Francisco is four years older than the Honolulu. Their reasoning behind this is that the San Francisco had just undergone a $170-million nuclear refueling, while the Honolulu has not. The estimated cost of repairing the San Francisco is currently sitting at $79-million.

That being said, you couldn't pay me enough money to get on the San Francisco after she rejoins the fleet, sometime in late 2008 or early 2009.

48 posted on 12/15/2007 11:33:15 PM PST by Stonewall Jackson (The Hunt for FRed November. 11/04/08)
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To: Stonewall Jackson
So are they just going to do up a new bow for the Honolulu
49 posted on 12/15/2007 11:45:03 PM PST by VeniVidiVici (No buy China!!)
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To: TigerLikesRooster

As an aside, one of my roommates from college interned with GD... was a mech. engineer. One of his tasks was to inspect welds on the electric boat he was assigned. Would tell me that at certain times of the day they had to cover up portions of the yard because they knew when the Ruskie’s satellites were passing over.


50 posted on 12/15/2007 11:55:27 PM PST by Trajan88 (www.bullittclub.com)
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To: VeniVidiVici
Nope. She heads to the shipbreakers after they take what parts they need from her to repair the San Francisco.

They did the same thing with a couple of battleships back in 1956. The Wisconsin shattered her bow in a collision with the destroyer-escort Eaton, so the Navy took the bow from the incomplete Kentucky and welded it onto the Wisconsin. A new bow was constructed for the Kentucky, as they were considering turning her into a massive missile ship, but they ended up scrapping her two years later.

Wisconsin after collision with Eaton.

51 posted on 12/15/2007 11:57:42 PM PST by Stonewall Jackson (The Hunt for FRed November. 11/04/08)
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To: Hammerhead

There was an incident on new construction at EB NL that related a tale of a female inspector finding missing welds in the bow of a sub under construction...this was after the USS THRESHER (SSN593) sinking.
It is documented in a book called “Running Critical” by Tyler.
I couldn’t put it down, it ticked me off so bad...


52 posted on 12/16/2007 12:12:26 AM PST by xrmusn
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To: LasVegasMac

I was just chatting but you, Sir, can take the condom off your head now.


53 posted on 12/16/2007 3:08:21 AM PST by PeteB570 (Guns, what real men want for Christmas)
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To: Castlebar
"As I read the story, the actual violation is that the welders CARRIED ANOTHER WELD METAL with them along with the actual filler to be use in the weld. This falls under the category of an adminstrative non-conformance; it's not as if any pressure vessel welds are about to fail."

I've just been reading and re-reading the stories available on this issue and it's tough to tell exactly what we have (writers have a terrible time with accurately reporting anything technical!) but.... there appear to have been "faulty" welds actually found... so we've got more than "just" the administrative non-conformance because there are real welds with something found wrong with them. What I can't tell is whether the "faulty" welds had the wrong filler material in them or if it was something else completely unrelated to the issue of carrying multiple filler materials with them at once.

From my own experience (former pipefitter, pipe welder and certified inspector once upon a time) I can only say that it was incredibly stupid to have EVER allowed any filler material to be checked out other than the material needed for the specific work at hand. Just setting yourself up for this situation and as soon as the first weldor violates their integrity and training the entire program is called into question on an issue very difficult to determine the scope for.

Could be very expensive and time consuming depending on the details...

54 posted on 12/16/2007 3:30:14 AM PST by Lloyd227 (and may God bless Oriana Fallaci)
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To: Hammerhead; SmithL; Doohickey; CholeraJoe; AFPhys
Problems have happened before: really nasty ones down south where Rickover pulled one maybe two?) out of a yard to be finished by an NSY.

At EB under P Takos Veryloutus... Ohio had bad metal in her condensers and ER, 698, 699, 700 had bad welds fwd compartment welds, and missing deckplate and foundation welds (that had been signed off by both the welder and the inspectors!) on the main fwd isolation sounds mounts.

Found the 698 failures just before sea trials.

55 posted on 12/16/2007 3:45:27 AM PST by Robert A Cook PE (I can only donate monthly, but Hillary's ABBCNNBCBS continue to lie every day!)
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To: TigerLikesRooster; milford421; Founding Father; struwwelpeter; DAVEY CROCKETT

Ping.


56 posted on 12/16/2007 3:53:53 AM PST by nw_arizona_granny (I vote to outlaw hidden links in articles. If the URL is worthy of clicking, then show it.)
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To: lewislynn

My reference was an ineffective expression of admiration for the Soviet Alpha class which was composed of Titanium alloy and had a crush depth more than twice that of any other military submarine.


57 posted on 12/16/2007 9:45:00 AM PST by Mariner
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To: PeteB570
I was just chatting but you, Sir, can take the condom off your head now.

Hey, don't get a bustle.

You felt the need to "chat", remember?

58 posted on 12/16/2007 9:52:14 AM PST by LasVegasMac (Islam: Bringing the world death and destruction for 1400 years!)
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To: TigerLikesRooster

Swell. I suppose it wasn’t such a brilliant idea to let a communist country build our WAR EQUIPMENT after all, now was it elPresidente?


59 posted on 12/16/2007 9:55:51 AM PST by NRA2BFree (If 4 out of 5 people SUFFER from diarrhea.......does that mean that one enjoys it?)
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To: Vroomfondel; SC Swamp Fox; Fred Hayek; NY Attitude; P3_Acoustic; Bean Counter; investigateworld; ...
SONOBUOY PING!

Click on pic for past Navair pings.

Post or FReepmail me if you wish to be enlisted in or discharged from the Navair Pinglist.
This is a medium to low volume pinglist.

60 posted on 12/16/2007 1:37:29 PM PST by magslinger (cranky right-winger)
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