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#40
by
Chris Bergin
on 14 Sep, 2006 10:04
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#41
by
psloss
on 14 Sep, 2006 10:07
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kneecaps - 14/9/2006 5:38 AM
I have visions of the SAW deploying ...the blanket getting stuck...the deployment continuing and the blanket getting torn. No doubt this is impossible as I'm sure there must be strain gauges or somesuch to prevent such events!
They go slow, too...both the STS-99 mast demo and the first STS-97 deploy took a while even doing a full deploy.
Stack maneuver coming up...latching in progress...
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#42
by
Spirit
on 14 Sep, 2006 10:08
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How long does it take for the attitude to be changed and why is that needed?
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#43
by
DaveS
on 14 Sep, 2006 10:12
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1025 UTC is the targeted time for the 4A full deployment to 49%.
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#44
by
psloss
on 14 Sep, 2006 10:16
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Spirit - 14/9/2006 5:55 AM
How long does it take for the attitude to be changed and why is that needed?
Not sure about how long it takes to get to a solar inertial attitude from the current one, but the reason is to warm up the back of the arrays -- to prevent the "stiction" issues that were discussed at length; there's a good quote in Bill Harwood's story from station flight director John McCullough:
http://www.cbsnews.com/network/news/space/current.html(They can only stay in that attitude for three orbits.)
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#45
by
psloss
on 14 Sep, 2006 10:18
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FransonUK - 14/9/2006 5:31 AM
How long will it take from start of full deploy to completition?
Looking farther into Bill Harwood's article, 90 minutes.
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#46
by
Celebrimbor
on 14 Sep, 2006 10:22
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Wow, that looks like a pretty big motion! What engines are being used? Shuttle, progress or a combination. Or gyros? I wonder if they can feel it inside...
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#47
by
psloss
on 14 Sep, 2006 10:24
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Celebrimbor - 14/9/2006 6:09 AM
Wow, that looks like a pretty big motion! What engines are being used? Shuttle, progress or a combination. Or gyros?
The station CMGs.
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#48
by
DaveS
on 14 Sep, 2006 10:25
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Celebrimbor - 14/9/2006 12:09 PM
Wow, that looks like a pretty big motion! What engines are being used? Shuttle, progress or a combination. Or gyros? I wonder if they can feel it inside...
Using the ISS Control Moment Gyros(CMGs).
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#49
by
chksix
on 14 Sep, 2006 10:29
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Lots of girls in mission control today
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#50
by
psloss
on 14 Sep, 2006 10:43
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Back in free-drift, go for deploy...there it goes...
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#51
by
DaveS
on 14 Sep, 2006 10:44
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The "go" has been given to start the full deployment of the 4A SAW.
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#52
by
rosbif73
on 14 Sep, 2006 10:45
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#53
by
Chris Bergin
on 14 Sep, 2006 10:45
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#54
by
rosbif73
on 14 Sep, 2006 10:48
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Approaching 49% stopping point
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#55
by
psloss
on 14 Sep, 2006 10:50
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Stopped at 49%, as planned.
Station going back to attitude control.
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#56
by
rosbif73
on 14 Sep, 2006 10:53
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Edit: Sorry for the double post. Why can't I delete this one?
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#57
by
rosbif73
on 14 Sep, 2006 10:54
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Deployment went "perfectly" so far. Some sticking can be observed from the position of the arrays (bottom right), but this was apparently expected.
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#58
by
DaveS
on 14 Sep, 2006 10:55
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Actually, the stuck panels is those that appears as dark bands on the blankets.
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#59
by
psloss
on 14 Sep, 2006 10:58
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Couple of notes from PAO: after stopping at 49%, nominally they wait 30 minutes before full deploy. They are supposed to pick up at 11:02 GMT/UTC. I believe Kyle Herring also said that they won't have TV downlink at the time...
