Author Topic: BEAM Expansion on ISS - May 26-28, 2016  (Read 311855 times)

Offline Chris Bergin

Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #20 on: 05/26/2016 09:35 am »
Fault is related to confirmation the straps have released via pyros.
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Offline Chris Bergin

Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #21 on: 05/26/2016 09:37 am »
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Offline Chris Bergin

Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #22 on: 05/26/2016 09:41 am »
Well this could all come to a grinding halt. Still all in fault mode on the straps.
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Offline Chris Bergin

Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #23 on: 05/26/2016 09:42 am »
I assume it's these straps we can see surrounding the circumference of the module?
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Offline Chris Bergin

Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #24 on: 05/26/2016 09:43 am »
Jeff going old school.
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Offline docmordrid

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Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #25 on: 05/26/2016 09:45 am »
Checking restraint strap pyro firing with a multimeter.
DM

Offline Chris Bergin

Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #26 on: 05/26/2016 09:47 am »
The expansion bingo card.
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Offline DaveS

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Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #27 on: 05/26/2016 09:48 am »
Jeff going old school.
The last major use of a multimeter on ISS was during the STS-117/13A mission to measure the noise level of the power from the then newly installed S3/S4 truss due to the failure of the RS GNC system in the SM. As it turned out the S3/S4 truss had nothing to do with it. IIRC it was due to corrosion and moisture on the connectors in the SM.
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Offline Chris Bergin

Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #28 on: 05/26/2016 09:49 am »
Into the contingency period. Still 15 mins until planned expansion, so no problem with the troubleshooting timeline.
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Offline Beittil

Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #29 on: 05/26/2016 09:50 am »
I have no audio here unfortunately, what is the issue they are having atm?

Offline Chris Bergin

Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #30 on: 05/26/2016 09:51 am »
Three Pyros - NSI (NASA Standard Initiator) - had to fire to cut the straps around BEAM. Jeff trying to confirm.
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Offline faramund

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Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #31 on: 05/26/2016 09:53 am »
What is he putting the probes into?

Offline Beittil

Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #32 on: 05/26/2016 09:54 am »
I have no audio here unfortunately, what is the issue about they are currently working on? My bet guess is something about the pyros that are to sever the 3 wraps around the package not firing as planned?

What is he putting the probes into?
It appears to be one of the cables that are connected on the top end of the pyro control box. You can see two more like it still connected to the box above, the middle one is disconnected and I guess thats the one he is probing.
« Last Edit: 05/26/2016 09:56 am by Beittil »

Offline DaveS

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Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #33 on: 05/26/2016 09:57 am »
I have no audio here unfortunately, what is the issue about they are currently working on? My bet guess is something about the pyros that are to sever the 3 wraps around the package not firing as planned?

What is he putting the probes into?
It appears to be one of the cables that are connected on the top end of the pyro control box.
Yes, more specifically the connector. Jeff is measuring the resistance between each NSI pin in the connector.
"For Sardines, space is no problem!"
-1996 Astronaut class slogan

"We're rolling in the wrong direction but for the right reasons"
-USA engineer about the rollback of Discovery prior to the STS-114 Return To Flight mission

Offline Chris Bergin

Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #34 on: 05/26/2016 09:57 am »
Woo hoo! Good values. Pyros fired!
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Offline Chris Bergin

Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #35 on: 05/26/2016 10:01 am »
Fault light off
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Offline faramund

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Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #36 on: 05/26/2016 10:01 am »
I have no audio here unfortunately, what is the issue about they are currently working on? My bet guess is something about the pyros that are to sever the 3 wraps around the package not firing as planned?

What is he putting the probes into?
It appears to be one of the cables that are connected on the top end of the pyro control box.
Yes, more specifically the connector. Jeff is measuring the resistance between each NSI pin in the connector.
Thanks to both of you, I've got that now.

Offline docmordrid

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Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #37 on: 05/26/2016 10:02 am »
Confirming strap cutting pyros are fired and 3  straps cut. Confirmed. Now removing 4 restraint bolts, then comes inflation. Up to 45 min for that.
DM

Offline docmordrid

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Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #38 on: 05/26/2016 10:07 am »
Powering down deployment controller. Power up at inflation.
DM

Offline DaveS

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Re: LIVE: BEAM Expansion on ISS - May 26-28, 2016
« Reply #39 on: 05/26/2016 10:08 am »
Into orbital night. Will pick up the manual expansion at 1010 UTC when into daylight again.
"For Sardines, space is no problem!"
-1996 Astronaut class slogan

"We're rolling in the wrong direction but for the right reasons"
-USA engineer about the rollback of Discovery prior to the STS-114 Return To Flight mission

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