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T O P I C R E V I E WKSCartistWhen the lab was being designed from the S-IVB stage were there any wind tunnel tests to determine aerodynamic loads?After Conrad's crew confirmed that one of the solar "wings" was ripped off was there any investigation to determine the exact cause?TimDavidHI'm not sure about the first question off the top of my head.Regarding the second, per Homesteading Space:While the rescue effort was underway, an investigation was started into the causes of the failure. The Board of Investigation was chaired by Bruce T. Lundin, Director of NASA's Lewis (now Glenn) Research Center and presented its findings on 30 July.The board determined that the most probable cause of the failure was pressurized air under the shield forcing the forward end of the shield away from the Workshop and into the supersonic air stream, which tore the meteoroid shield from the Workshop. The report stated that this was likely due to flaws in the way the shield was attached to the Workshop, which allowed in air....In addition, testing focused on deployment, rather than performance during launch.------------------Homesteading Space | All These Worlds Space Blog | Hatbag.net "America's challenge of today has forged man's destiny of tomorrow." - Commander Eugene Cernan, Apollo 17 Mission, 11 December 1972Jay ChladekApparently there had been a discussion of sorts between how MSC and JSC at the time did things differently in testing after the shield and array came off. Granted I haven't dug too deep into that stuff yet, but I imagine the upcoming "Homesteading Space" book as part of UNP's Outward Odyssey series will cover that topic.As I recall, while JSC tends to run all its manned spacecraft hardware through the ringer during testing, supposedly MSC did not and Skylab was run out of their office with very little input from the JSC side except for the on orbit stuff. The turf war between the two centers revolves around the perception that JSC designs spacecraft while MSC designs rocket boosters.Granted the budget for Skylab was getting pretty lean at the time, so that might also have been a factor into what was tested for and what wasn't.
After Conrad's crew confirmed that one of the solar "wings" was ripped off was there any investigation to determine the exact cause?
Tim
Regarding the second, per Homesteading Space:
While the rescue effort was underway, an investigation was started into the causes of the failure. The Board of Investigation was chaired by Bruce T. Lundin, Director of NASA's Lewis (now Glenn) Research Center and presented its findings on 30 July.The board determined that the most probable cause of the failure was pressurized air under the shield forcing the forward end of the shield away from the Workshop and into the supersonic air stream, which tore the meteoroid shield from the Workshop. The report stated that this was likely due to flaws in the way the shield was attached to the Workshop, which allowed in air....In addition, testing focused on deployment, rather than performance during launch.
The board determined that the most probable cause of the failure was pressurized air under the shield forcing the forward end of the shield away from the Workshop and into the supersonic air stream, which tore the meteoroid shield from the Workshop. The report stated that this was likely due to flaws in the way the shield was attached to the Workshop, which allowed in air....In addition, testing focused on deployment, rather than performance during launch.
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Homesteading Space | All These Worlds Space Blog | Hatbag.net "America's challenge of today has forged man's destiny of tomorrow." - Commander Eugene Cernan, Apollo 17 Mission, 11 December 1972
As I recall, while JSC tends to run all its manned spacecraft hardware through the ringer during testing, supposedly MSC did not and Skylab was run out of their office with very little input from the JSC side except for the on orbit stuff. The turf war between the two centers revolves around the perception that JSC designs spacecraft while MSC designs rocket boosters.
Granted the budget for Skylab was getting pretty lean at the time, so that might also have been a factor into what was tested for and what wasn't.
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