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#180
by
Lee Jay
on 25 May, 2010 03:14
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Wow...that hold was post ROFI ignition and about about T-5 seconds or so, I think.
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#181
by
William Graham
on 25 May, 2010 03:14
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Past the critical hold point. Definite scrub, I don't think even a 24 hour recycle will be possible.
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#182
by
Chris Bergin
on 25 May, 2010 03:14
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Can they turn this around within such a short window - with a hold that late?
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#183
by
DaveS
on 25 May, 2010 03:15
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ROFIs still going!
Just like on STS-93. Once lit, the ROFIs cannot be shut down. Which was a driver for the scrub turn-around schedule.
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#184
by
Nick L.
on 25 May, 2010 03:16
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Did anyone catch what happened?
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#185
by
Ronsmytheiii
on 25 May, 2010 03:16
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Ordinance safe
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#186
by
Satori
on 25 May, 2010 03:16
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The the NASA ELV countdown clock stoped at T-2s...
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#187
by
Chris Bergin
on 25 May, 2010 03:16
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Did anyone catch what happened?
I only heard script abort.
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#188
by
WHAP
on 25 May, 2010 03:16
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What defines the critical hold point? ROFI's aren't on the vehicle, and the engine may not have been started yet. I think with the window length, they only really get one shot. I suppose two is possible, but unlikely (and not with an abort this late).
Next attempt is....?
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#189
by
Nick L.
on 25 May, 2010 03:17
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Going back to external power.
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#190
by
Nick L.
on 25 May, 2010 03:18
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What defines the critical hold point? ROFI's aren't on the vehicle, and the engine may not have been started yet. I think with the window length, they only really get one shot. I suppose two is possible, but unlikely (and not with an abort this late).
Next attempt is....?
Critical hold point is T-8.5 seconds when the TCSR (terminal countdown sequencer rack) takes over - not sure why that is "critical".
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#191
by
Satori
on 25 May, 2010 03:18
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#192
by
William Graham
on 25 May, 2010 03:18
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What defines the critical hold point? ROFI's aren't on the vehicle, and the engine may not have been started yet. I think with the window length, they only really get one shot. I suppose two is possible, but unlikely (and not with an abort this late).
I don't know, I just remember it being mentioned during an earlier launch. GOES 13 I think. Could be part of the prestart sequence.
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#193
by
Lee Jay
on 25 May, 2010 03:19
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Did anyone catch what happened?
I only heard script abort.
I thought I heard "map" or "mapi" or something similar in the background. Any idea what that might be?
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#194
by
Satori
on 25 May, 2010 03:20
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#195
by
WHAP
on 25 May, 2010 03:20
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Don't know what time the hold occurred, but the call was a tad delayed (not a surprise). I noticed the first stage LO2 tank venting just before he said it. ..."after SRM blowdown"... (just heard)
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#196
by
Ronsmytheiii
on 25 May, 2010 03:20
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reset to t-minus 5 minute hold, going to post test secureing item
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#197
by
Chris Bergin
on 25 May, 2010 03:21
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They've not officially called a scrub yet, that's for sure.
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#198
by
Satori
on 25 May, 2010 03:21
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#199
by
Ronsmytheiii
on 25 May, 2010 03:22
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If this is an abort/scrub, think that they will not try again until Atlantis lands