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2 spacewalks at the same time?
Anybody know if they have ever considered having 4 spacewalkers
outside on station assembly missions? I'd think the 2 airlocks could support this without problems (for that matter what stops them from cycling Quest multiple times?). They managed 3 on STS-49 but I'm guessing the choreography and communications might be an issue. It'd be cool to see 4 suits climbing around ISS! |
#2
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2 spacewalks at the same time?
For a start, one lot would have to use Russian suits, as the cycling of the
Quest twice is too complex and if a problem occurred where all needed to come in, its not big enough! Note to designers, make bigger airlocks cos the trash they bring in takes up more room than the crew! Brian -- Brian Gaff - Note:- In order to reduce spam, any email without 'Brian Gaff' in the display name may be lost. "Brian Heil" wrote in message ... Anybody know if they have ever considered having 4 spacewalkers outside on station assembly missions? I'd think the 2 airlocks could support this without problems (for that matter what stops them from cycling Quest multiple times?). They managed 3 on STS-49 but I'm guessing the choreography and communications might be an issue. It'd be cool to see 4 suits climbing around ISS! |
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2 spacewalks at the same time?
"Brian Gaff" wrote in message . uk... For a start, one lot would have to use Russian suits, as the cycling of the Quest twice is too complex and if a problem occurred where all needed to come in, its not big enough! Note to designers, make bigger airlocks cos the trash they bring in takes up more room than the crew! Actually, with the shuttle docked you've got three airlocks available, so you could see four EMU's and two Orlans climbing around ISS at the same time. :-) Why you'd ever want to do this, I have no idea. I'd think there might be safety issues just due to the "lines of communication". It sounded bad enough when I was listening in to the last EVA. Jeff -- "They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety" - B. Franklin, Bartlett's Familiar Quotations (1919) |
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2 spacewalks at the same time?
On Thu, 14 Sep 2006 17:20:58 -0400, "Jeff Findley"
wrote: "Brian Gaff" wrote in message .uk... For a start, one lot would have to use Russian suits, as the cycling of the Quest twice is too complex and if a problem occurred where all needed to come in, its not big enough! Note to designers, make bigger airlocks cos the trash they bring in takes up more room than the crew! Actually, with the shuttle docked you've got three airlocks available, so you could see four EMU's and two Orlans climbing around ISS at the same time. :-) Why you'd ever want to do this, I have no idea. I'd think there might be safety issues just due to the "lines of communication". It sounded bad enough when I was listening in to the last EVA. Mostly I was thinking that you could get an extra EVA out of the same mission duration. Since they rest the EV crewmembers between EVAs with 2 crews you get 3 EVAs in 3 days. Doing 2 at a time you'd get the equivalent of 4. 2 crews out first day, day off, same 2 crews out the second. You'd probably need an extra IV crewmember and that's probably enough right there to rule it out - they seem to fill each crewmembers day pretty completely now. Not sure if the WVS system would handle 4 crewmembers outside. I'm guessing the radios might not support it either. Anybody recall what they did for the 3rd Endeavor spacewalker? Is the russian suit out of Quest still a going concern? |
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