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HOUSTON, June 12 (Reuters) - High-tech NASA may repair a torn heat-resistant blanket on the space shuttle Atlantis in a low-tech way -- by sending an astronaut out to stitch it together, the U.S. space agency said on Tuesday. The space-suited seamster would use stainless steel wire and a hooked needle to sew the protruding blanket into place, said deputy shuttle program manager John Shannon. He said the universal fix-it tool -- duct tape -- was discussed, but quickly discarded. "Duct tape doesn't work in the vacuum of space," he told reporters at Johnson Space Center.
Most of the joints tested were found to be leaking by 50% or more, according to the researchers. Their test results also showed that a large proportion of the tapes failed to function when temperatures dropped below freezing (32°F [0°C]) or rose over 200°F (93°C).
What concerns me is that I have found sources that says duct tape just doesn't work in the vacuum of space.
And, along with that... duct tapes melting point is at a lot lower temperature than it is on the surface of the moon during day light...
Originally posted by weedwhacker
reply to post by x2Strongx
Remember that in a vacuum there is no way for heat (or cold) to conduct, unless through some sort of medium.
Direct, un-shaded sunlight would, via infrared, cause heat of the exterior surface to rise, then the heat would flow through the material. Obviously, for the A17 YTube video, when they fixed the fender, the repair was temporary...just to help keep the regolith from flying about as much as possible. (Their alternative, I suppose, would have been to just drive much slower, but that would have affeccted the EVA mission objectives).
First, the moon is not a perfect vacuum.
Second, heat doesn't transfer the way you are thinking it does, for example you cannot start a stove up there and expect to feel the heat generated by putting your hand above it...
... however radiation can also be thought of as heat and that is why the surface gets so hot.
...sunlight, which contains energy, which is going to make you hot.
What concerns me is that I have found sources that says duct tape just doesn't work in the vacuum of space. And, along with that... duct tapes melting point is at a lot lower temperature than it is on the surface of the moon during day light...
NASA engineers and astronauts have used duct tape in the course of their work, including in some emergency situations. One such usage occurred in 1970, when the square carbon dioxide filters from Apollo 13's failed command module had to be modified to fit round receptacles in the lunar module, which was being used as a lifeboat after an explosion en route to the moon. A workaround was made using duct tape and other items on board Apollo 13, with the ground crew relaying directions to the spacecraft and its crew. The lunar module CO2 scrubbers started working again, saving the lives of the three astronauts on board.
Keith Canfield, who designed the scrubber modification in just two days, said later that he knew the problem was solvable when it was confirmed that duct tape was on the spacecraft: "I felt like we were home free", he said in 2005. "One thing a Southern boy will never say is, 'I don't think duct tape will fix it.'"