LIVE: STS-125 Flight Day 7 - EVA-4

• #500 by Kel on 17 May, 2009 21:36
• STIS has safed itself after reaching low thermal limit (did I hear that correctly)?
  
  Will repeat functional test.
• #501 by Nomadd on 17 May, 2009 21:37
• Quote from: nooneofconsequence on 17 May, 2009 21:20

  Can anyone here recap on what's completely done, what's not?
  
  In particular, I'm a little hazy on if all three of the ACS are done? Any chance for HRC or is that toast?
  

  I assume there's some pretty touchy current protection so the HRC won't take the WFC that's feeding it out. I'm not sure, but I think they didn't rule out the HRC as being the cause of the side 2 PS failure in the first place. If the glitch is the current limiting kicking in, it wouldn't be good.
• #502 by psloss on 17 May, 2009 21:38
• Quote from: Kel on 17 May, 2009 21:36

  STIS has safed itself after reaching low thermal limit (did I hear that correctly)?
  
  Will repeat functional test.
  

  Think so.  They're going to let the temp sensor warm up longer on the second try.
  
• #503 by MikeMi. on 17 May, 2009 21:39
• Quote from: Kel on 17 May, 2009 21:36

  STIS has safed itself after reaching low thermal limit (did I hear that correctly)?
  
  Will repeat functional test.
  

  
  Confirmed.
  
  Wanna ask - why they change orientation of shuttle to -ZLV +YVV right now?
• #504 by robertross on 17 May, 2009 21:40
• Airlock closed and locked
• #505 by Chris Bergin on 17 May, 2009 21:40
• Closing in on the EVA-2 time. This is going to be a very similar EVA duration.
• #506 by Kel on 17 May, 2009 21:40
• Outer hatch on airlock closed
  
  Elapsed time 7:55
• #507 by Chris Bergin on 17 May, 2009 21:41
• Quote from: MikeMi. on 17 May, 2009 21:39

  Quote from: Kel on 17 May, 2009 21:36

  STIS has safed itself after reaching low thermal limit (did I hear that correctly)?
  
  Will repeat functional test.
  

  
  Confirmed.
  
  Wanna ask - why they change orientation of shuttle to -ZLV +YVV right now?
  

  
  She works a Sun Protect attitude during the EVA to protect the space walkers from the sun.
  
  See the attitude timeline below:

  ---

  
• #508 by robertross on 17 May, 2009 21:42
• O2 to press.
  
  Re-pressurizing has begun
• #509 by Kel on 17 May, 2009 21:44
• Comm to hard line
• #510 by robertross on 17 May, 2009 21:44
• "Drew: yes Mass: thank-you"
• #511 by Chris Bergin on 17 May, 2009 21:44
• Photo finish between EVA-2 and EVA-4's durations. EVA-4 sticks out an EMU glove and wins.
• #512 by NavySpaceFan on 17 May, 2009 21:44
• Great coverage again everyone!  Sounds like this EVA needs to be on HGTV's "Renovation Realities."
• #513 by Kel on 17 May, 2009 21:45
• I've gotta get out of this chair for awhile. Thanks again to everyone for helping with coverage!
• #514 by robertross on 17 May, 2009 21:46
• Great EVA coverage guys. Thanks!
  Quite to challenge for EVA tasks.
  
  One planned EVA left and we can set Hubble free.
• #515 by Chris Bergin on 17 May, 2009 21:47
• Quote from: Kel on 17 May, 2009 21:45

  I've gotta get out of this chair for awhile. Thanks again to everyone for helping with coverage!
  

  
  Awesome work Kel. Huge effort, and appreciated. Thanks to Maty during his evening in AussieLand too.
• #516 by MKremer on 17 May, 2009 21:47
• Quote from: Kel on 17 May, 2009 21:45

  I've gotta get out of this chair for awhile. Thanks again to everyone for helping with coverage!
  

  
  Thx Kel. Great job in coverage today!
  
• #517 by Lee Jay on 17 May, 2009 21:47
• You kinda had to expect that yesterday's smoothness was not too likely to be repeated.
  
  Great updates folks, thanks a lot!  To summarize, they eventually completed the STIS task (after ripping a stripped socket-head-cap screw head off by force) and didn't get to NOBL, correct?
• #518 by GoForTLI on 17 May, 2009 21:49
• PET 8:02.  6th longest in US spacewalk history. 
• #519 by Chris Bergin on 17 May, 2009 21:50
• Wow, what a mission!