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Science/Tech
See other Science/Tech Articles

Title: Crack Found in Foam on Shuttle Fuel Tank
Source: Associalistic Press
URL Source: http://apnews.myway.com//article/20060703/D8IKLQ4G0.html
Published: Jul 3, 2006
Author: MIKE SCHNEIDER
Post Date: 2006-07-03 14:24:48 by IndieTX
Keywords: EXPLOSION, SHUTTLE, VEHICLE LOSS
Views: 136
Comments: 6

CAPE CANAVERAL, Fla. (AP) - NASA managers weren't ruling out a Fourth of July launch for space shuttle Discovery on Monday, even after inspectors found a 5-inch-long crack in the foam insulation on its external fuel tank.

Officials said they needed more time to evaluate the problem and planned to meet again Monday evening to decide whether to go ahead with the launch.

The space agency's engineers believe the crack was caused by the expanding and shrinking of the tank as it was fueled with supercold propellant, which also caused a 3-inch-long triangle-shaped piece of foam to fall off the area and land on a platform below.

The chunk of foam was too small to have caused damage if it had fallen during the launch, said John Shannon, deputy manager of the shuttle program.

(AP) The space shuttle Discovery is pictured in this Saturday, July 1, 2006 photo on Pad 39B for mission... Full Image "What we think happened yesterday, when we had all of that rain, we had condensation," Shannon said. "It's very cold. It froze."

NASA technicians planned to continue loading fuel into Discovery's power system.

"We want to make sure we understand all the considerations that caused this," said John Chapman, shuttle tank manager.

If NASA decides to go ahead with the launch Tuesday, it would be the first manned launch by the United States on the nation's birthday, and only the second liftoff of a space shuttle since the 2003 Columbia disaster.

Concerns about cracks in the fuel tank's foam insulation have dogged the program since Columbia broke apart over Texas on Feb. 1, 2003. A chunk of flyaway foam had damaged Columbia's wing during liftoff, allowing superheated gas to penetrate the shuttle when it re-entered the atmosphere.

(AP) The space shuttle Discovery is pictured in this Saturday, July 1, 2006, photo on Pad 39B for... Full Image NASA tried to fix the problem before attempting another launch, but more foam broke off Discovery's redesigned tank last July, barely missing the shuttle.

Inspectors this time spotted the 5-inch-long crack in the foam insulation during an overnight check of the shuttle. NASA had scrubbed launch plans Saturday and Sunday because of poor weather and had removed fuel from the tank.

That crack, an eighth- to quarter-inch wide, was in the foam on a bracket about two-thirds of the way up on the side of the external fuel tank facing the orbiter. The location would make it easy to hit the shuttle if a piece of foam came off.

One option for NASA would be to sand down the area of foam where the crack occurred, which would take a couple of hours and could be done on the launch pad. Another would be to cut out the area of foam and replace it, which could take several days, said Marion LaNasa Jr., a spokesman for Lockheed Martin Space Systems Co., which makes the tank.

NASA Administrator Michael Griffin decided last week that the shuttle should go into orbit as planned, despite the concerns of two top agency managers who wanted additional repairs to the foam insulation.

The mission for Discovery's crew this time is to test shuttle-inspection techniques, deliver supplies to the international space station and drop off German astronaut Thomas Reiter for a six-month stay.

The weather forecast for a Tuesday liftoff was better than it was on Sunday or Monday, with a 40 percent chance that storms at launch time would prevent liftoff, said U.S. Air Force 1st Lt. Kaleb Nordgren, a shuttle weather forecaster. NASA planned to make launch attempts on Tuesday and on Wednesday if necessary.


Poster Comment:

If they launch this death trap anyway, get ready to see some real July 4th fireworks. (1 image)

Post Comment   Private Reply   Ignore Thread  


TopPage UpFull ThreadPage DownBottom/Latest

#1. To: All (#0)

aN ARTICLE EARLIER TODAY CLAIMED IT WAS 18 INCHES AND 1/8 IN DEEP. Must be using two different measuring tapes.


Law Enforcement Against Prohibition

"Freedom and human rights in America are doomed. The U.S. government will lead the American people in ...into an unbearable hell and a choking life."
-OBL
"Prohibition...goes beyond the bounds of reason in that it attempts to control a man's appetite by legislation and makes a crime out of things that are not crimes. A prohibition law strikes at the very principles upon which our govt was founded."
- Lincoln

IndieTX  posted on  2006-07-03   14:26:27 ET  Reply   Trace   Private Reply  


#2. To: IndieTX (#0)

Crack Found in Foam

doesn't NASA screen these workers for drug use?

and if they're smoking crack on the job - you know it's not safe.

Red Jones  posted on  2006-07-03   16:21:59 ET  Reply   Trace   Private Reply  


#3. To: IndieTX (#0)

Crack Found in Foam on Shuttle Fuel Tank

In related news...Marion Berry recently finished his foam application internship at NASA.

4butnomorethan30characters  posted on  2006-07-07   9:00:17 ET  Reply   Trace   Private Reply  


#4. To: 4butnomorethan30characters (#3)

Crack Found in Foam on Shuttle Fuel Tank

The mind once expanded by a new idea never returns to its' original size

Itisa1mosttoolate  posted on  2006-07-07   9:36:02 ET  Reply   Trace   Private Reply  


#5. To: 4butnomorethan30characters, christine (#3)

FRaud and RimJob miss you. Aren't you out of your fascist element here? How about a ZOT troll?


Law Enforcement Against Prohibition

"Freedom and human rights in America are doomed. The U.S. government will lead the American people in ...into an unbearable hell and a choking life."
-OBL
"Prohibition...goes beyond the bounds of reason in that it attempts to control a man's appetite by legislation and makes a crime out of things that are not crimes. A prohibition law strikes at the very principles upon which our govt was founded."
- Lincoln

IndieTX  posted on  2006-07-10   13:42:39 ET  Reply   Trace   Private Reply  


#6. To: IndieTX (#5)

4butnomorethan30characters

The sack of 'Republican shit' hasn't the balls to argue his POV here. FReaks need a stocked pond with lots of moderation in order to flurish.

Jethro Tull  posted on  2006-07-10   13:55:21 ET  Reply   Trace   Private Reply  


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