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#100
by
Ronsmytheiii
on 31 Mar, 2009 15:06
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#101
by
Lawntonlookirs
on 31 Mar, 2009 15:10
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These pictures give you a good view of the grounding cable that they use to connect the MLP to the Support to prevent shock and sparks. It also shows the size of the flange that they use to bolt the two together. It is just not a pin that holds them.
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#102
by
Ronsmytheiii
on 31 Mar, 2009 15:11
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#103
by
MKremer
on 31 Mar, 2009 15:13
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These pictures give you a good view of the grounding cable that they use to connect the MLP to the Support to prevent shock and sparks. It also shows the size of the flange that they use to bolt the two together. It is just not a pin that holds them.
Padrat answered recently that the pads aren't bolted down for Shuttle launches. The MLP just sits on the pedestals.
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#104
by
MKremer
on 31 Mar, 2009 15:14
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#105
by
MKremer
on 31 Mar, 2009 15:16
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And that should be hard down.
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#106
by
Lawntonlookirs
on 31 Mar, 2009 15:17
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These pictures give you a good view of the grounding cable that they use to connect the MLP to the Support to prevent shock and sparks. It also shows the size of the flange that they use to bolt the two together. It is just not a pin that holds them.
Padrat answered recently that the pads aren't bolted down for Shuttle launches. The MLP just sits on the pedestals.
Yes I remember him saying that, but if you look at the flanges the do have bolt holes. Maybe they don't use them though.
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#107
by
Ronsmytheiii
on 31 Mar, 2009 15:20
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#108
by
Chris Bergin
on 31 Mar, 2009 15:21
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Harddown confirmed. Great work Mike!
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#109
by
MKremer
on 31 Mar, 2009 15:25
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Yes I remember him saying that, but if you look at the flanges the do have bolt holes. Maybe they don't use them though.
Too much trouble to change the flanges from the original Apollo/Saturn days, I imagine.
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#110
by
Ronsmytheiii
on 31 Mar, 2009 15:32
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#111
by
glanmor05
on 31 Mar, 2009 15:48
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Maybe asking this question too early (if so please let me know when (i.e. what meeting) this is decided at), but what is the launch window and therefore proposed launch time on 12/05/09 and what will be the countdown timeline?
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#112
by
Ronsmytheiii
on 31 Mar, 2009 15:55
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crawler has been lowered:
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#113
by
dsmillman
on 31 Mar, 2009 15:56
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Maybe asking this question too early (if so please let me know when (i.e. what meeting) this is decided at), but what is the launch window and therefore proposed launch time on 12/05/09 and what will be the countdown timeline?
On May 12 the launch time would be about 1:11 PM EDT. That would be 5:11 PM GMT. For a launch to Hubble the daily launch windows are about one hour long. The launch window is aprroximately 30 minutes earlier for each day after May 12.
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#114
by
Ronsmytheiii
on 31 Mar, 2009 16:09
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#115
by
Ronsmytheiii
on 31 Mar, 2009 16:21
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crew access arm and beanie cap are in place.
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#116
by
padrat
on 31 Mar, 2009 18:16
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Yes I remember him saying that, but if you look at the flanges the do have bolt holes. Maybe they don't use them though.
They may have bolted them down during apollo, I'm not sure. But nowadays it just sits on there. If you were to get a closer look at them, you'd see that the whole flange assembly is basically like a huge screw. It can be rotated to raise and lower it, probably to make up for any leveling differences between the MLPs. I would assume that is one good reason not to bolt it down, also that it just isn't needed as the MLPs have just sat there since the beginning of the shuttle program without a problem. BTW, only six of those pedestals actually hold the MLP, the rest are actually sound suppression and ventilation lines.
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#117
by
Lawntonlookirs
on 31 Mar, 2009 19:45
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Thanks Padrat for the answer.
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#118
by
rsnellenberger
on 31 Mar, 2009 19:47
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Is that an alignment "pin" I see hanging down from the MLP's side of the pad interface (inside the flange itself)?
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#119
by
MKremer
on 31 Mar, 2009 19:54
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Is that an alignment "pin" I see hanging down from the MLP's side of the pad interface (inside the flange itself)?
It is. Each mounting flange has one (3 per side).