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NASA's New 'Lesson' from Space Mac the Nice 08-17-2007
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Posted by Brian Thorn on August 18, 2007, 2:59 pm
On Sat, 18 Aug 2007 14:06:55 -0400, "Michael Bulatovich"


>>>We've got to be approaching the end of the line for the shuttle...How many
>>>more missions are planned with it?
>>
>> 14.
>
>Ouch. What are the bookies saying about the chances of another catastrophe?

Odds are there won't be another fatality. The odds are a little less
encouraging that they'll actually get all 14 in before the end of
2010.

Brian



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Posted by Brian Thorn on August 18, 2007, 10:26 am
On Fri, 17 Aug 2007 21:00:56 -0600, "Secretia Green"

>Good thing the astronauts are keeping the shuttle in good repair, so they
>can go up again....and repair it.

Its the station they repaired. The station has been up there since
1998 and the part they replaced has been up there since October 2000.
When was the last time you took your car in for servicing?

Brian

Posted by Secretia Green on August 18, 2007, 10:45 am



> On Fri, 17 Aug 2007 21:00:56 -0600, "Secretia Green"
>
>>Good thing the astronauts are keeping the shuttle in good repair, so they
>>can go up again....and repair it.


> Its the station they repaired. The station has been up there since
> 1998 and the part they replaced has been up there since October 2000.

Sorry my mistake. That should have read:
Good thing the astronauts are keeping the station in good repair, so they
can go up again...and repair it.



> When was the last time you took your car in for servicing?

8/3/07


>
> Brian



Posted by Brian Thorn on August 18, 2007, 3:12 pm
On Sat, 18 Aug 2007 08:45:21 -0600, "Secretia Green"


>Good thing the astronauts are keeping the station in good repair, so they
>can go up again...and repair it.

There really haven't been an outrageous number of repairs on the
station. It's not like every mission to the Station is going up just
to fix something that broke, most of the spacewalks have been to
install new hardware (like the S5 Truss on this mission), hook up
cables, that sort of thing.

The Control Moment Gyros like the one (of four) replaced this week
have been particularly problematical, but they're high speed gyros
that have been spinning more or less constantly since 2000, and NASA
always knew they'd have to replace them from time to time (that's why
they're relatively easy to get to and replace.) Parts that run all the
time will eventually wear out. There's nothing magical about
spaceflight that gets around this fact of life.

Brian

Posted by Rand Simberg on August 18, 2007, 12:59 pm
On Sat, 18 Aug 2007 10:51:17 -0400, in a place far, far away, "Don"
such a way as to indicate that:

>
>> On Fri, 17 Aug 2007 21:00:56 -0600, "Secretia Green"
>>
>>>Good thing the astronauts are keeping the shuttle in good repair, so they
>>>can go up again....and repair it.
>>
>> Its the station they repaired. The station has been up there since
>> 1998 and the part they replaced has been up there since October 2000.
>> When was the last time you took your car in for servicing?
>
>Nice comparison there Brian.
>Car = $30k
>Shuttle = How many trillions?

To first order, zero.

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