Time between ECO fix and launch ?

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John Doe - 07 Jan 2008 01:43 GMT

Once they have done the fix to the sensors, how many days/weeks until
launch ?

Must they restart the launch preparations from scratch ?

If not, once shuttle is back on the pad, at what point do they restart
the countdown ? 42 hours ? or even less ? Or must they spend a number of
days to secure the shuttle to the pad before starting countdown at 42
hours ?

Has Columbus been unloaded from the shuttle ?

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André, PE1PQX - 07 Jan 2008 08:49 GMT

John Doe drukte met precisie uit :

> Once they have done the fix to the sensors, how many days/weeks until
> launch ?
[quoted text clipped - 7 lines]
>
> Has Columbus been unloaded from the shuttle ?

The entire stack is still at the pad, and Columbus is still in the
payload-bay.
The managers speak of a launchdate between the last week of January and
the first week of february.

André

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John Doe - 07 Jan 2008 10:22 GMT

André wrote:

> The entire stack is still at the pad, and Columbus is still in the
> payload-bay.
> The managers speak of a launchdate between the last week of January and
> the first week of february.

For a 24 hour turn-around/scrub, they start the countdown at T-6H00

But for a 2 month turn-around, would they still start at the 6 hour mark
or would they reset the countdown clock to the T-43 hours ?

(or are there other entry points into the countdown ?)

If this launches in february, has NASA made any comments on how much of
a delay the next mission will have ?

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André, PE1PQX - 07 Jan 2008 10:44 GMT

John Doe stelde dit idée voor :

> André wrote:
>
[quoted text clipped - 12 lines]
> If this launches in february, has NASA made any comments on how much of
> a delay the next mission will have ?

I guess the launch countdown starts at T-43 hours, the crew has to fly
in from Houston to Kennedy.

André

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Brian Gaff - 07 Jan 2008 12:17 GMT

The big loser here could be the Hubble mission timing of course. Though they
do seem to have quite a buffer in their launches, I'd expect they would want
to keep as much buffer as they can. Note that the current crew, when
replaced has two Russians and there would probably not be time to get them
trained up to help with the tasks required of Shuttle flights delayed into
the next increment. Maybe the current one will be extended what with Sarj
and BGa and all the experience already gained. The ATV is due toward the end
of the current increment of course, assuming its delayed, which I think it
will be.

How long before we get gridlock at the station!??
Brian

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> John Doe stelde dit idée voor :
>> André wrote:
[quoted text clipped - 18 lines]
>
> André

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Brian Gaff - 07 Jan 2008 12:11 GMT

As far as I'm aware its not left the pad. Basically, assuming they fixed the
problem, they need to close out, test, then apply foam back on the areas it
was removed from, and let it cure. Then I'd assume they need to load the
consumables back into the Shuttle and then assuming they have not messaged
with Shuttle systems too much, they can start.

Best guess?

Start of Feb?

Have to remember that a Progress is due around the end of the first week in
Feb too.

Brian

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> Once they have done the fix to the sensors, how many days/weeks until
> launch ?
[quoted text clipped - 7 lines]
>
> Has Columbus been unloaded from the shuttle ?

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snidely - 14 Jan 2008 19:27 GMT

Looks like Feb 7 is the current date.

<http://www.nasa.gov/mission_pages/shuttle/main/index.html>

/dps

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Space Forum / Shuttle / January 2008

Time between ECO fix and launch ?