[sci.space.shuttle] Shuttle Status for 10/02/90

yee@trident.arc.nasa.gov (Peter E. Yee) (10/02/90)

          KSC SHUTTLE STATUS REPORT - TUESDAY, OCT. 2, 1990  10 AM

                       STS-41 - DISCOVERY (OV 103) - PAD 39-B

               Overnight,   technicians  repaired  a  broken  wire  in  the
          orbiter's  aft compartment.  This broken wire did not allow power
          to the main propulsion system engine 2  liquid  oxygen  prevalve.
          Electrical  tests  have  been  successfully conducted and the aft
          compartment was closed out for  flight  at  about  midnight  last
          night.  Closeouts of the right solid rocket booster aft skirt are
          continuing.

               The radioisotope thermoelectric generator  was  successfully
          installed today. The payload bay doors are scheduled to be closed
          for flight tomorrow morning.

               Launch  countdown  preparations  are underway to pick up the
          count on time at 3:30 a.m.  EDT tomorrow at the T-43  hour  mark.
          Today, inspectors will make assessments of the launch pad as part
          of countdown preparations.

               Discovery  and the Ulysses spacecraft are being prepared for
          liftoff at 7:35 a.m. EDT, Saturday Oct. 6. The STS-41 five-member
          flight crew is scheduled to arrive at KSC at 3:30 p.m. Wednesday.

                        STS-35 - COLUMBIA (OV 102) - PAD 39-A

               Leak tests are continuing  on  the  main  propulsion  system
          valves,  actuators and areas of the recirculation pump package to
          try to isolate the source of the leak.  The KSC team  is  working
          with a team of specialists assigned to find the fuel leak.

               This week, baggies will be installed over certain joints and
          the  main  propulsion  system  will  be  pressurized with gaseous
          helium.  Any leakage will be monitored.

               Columbia is scheduled to be moved to Launch Pad 39-B Monday,
          Oct.  8 with first motion at 4 a.m.  Details and requirements are
          being  identified  for  a  tanking test to be conducted after the
          STS-41 launch.

                       STS-38 - ATLANTIS (OV 104) - OPF BAY 2

               Atlantis is being bolted to the orbiter transporter today in
          preparation for the tow to the Vehicle Assembly Building at  mid-
          night tonight. The gear is scheduled to be retracted later today.
          The  orbiter's  weight and center of gravity were determined yes-
          terday.  Orbiter mate preparations are continuing in the  Vehicle
          Assembly Building.

mears@hpindda.cup.hp.com (David Mears) (10/04/90)

>                         STS-35 - COLUMBIA (OV 102) - PAD 39-A
> 
>                Columbia is scheduled to be moved to Launch Pad 39-B Monday,
>           Oct.  8 with first motion at 4 a.m.  Details and requirements are
>           being  identified  for  a  tanking test to be conducted after the
>           STS-41 launch.
> 
> / yee@trident.arc.nasa.gov (Peter E. Yee) /  9:27 am  Oct  2, 1990 /

This reminds me of a question I've been meaning to ask.

Is there any difference between the two pads?  Can any shuttle launch
from either pad for any particular mission, or are there some differences
which dictate which pad a given mission (or shuttle) must use?

David B. Mears
Hewlett-Packard
Cupertino CA
hplabs!hpda!mears
mears@hpinddf.cup.hp.com

ahughes@dg-rtp.dg.com (Arch Hughes) (10/04/90)

In article <1990Oct2.162731.16904@news.arc.nasa.gov>,
yee@trident.arc.nasa.gov (Peter E. Yee) writes:
|> 
|>           KSC SHUTTLE STATUS REPORT - TUESDAY, OCT. 2, 1990  10 AM
|> 
|>                        STS-41 - DISCOVERY (OV 103) - PAD 39-B
|> 
[Discovery report removed]
|> 
|>                         STS-35 - COLUMBIA (OV 102) - PAD 39-A
|> 
|>                Leak tests are continuing  on  the  main  propulsion 
system
|>           valves,  actuators and areas of the recirculation pump
package to
|>           try to isolate the source of the leak.  The KSC team  is 
working
|>           with a team of specialists assigned to find the fuel leak.
|> 
|>                This week, baggies will be installed over certain
joints and
|>           the  main  propulsion  system  will  be  pressurized with
gaseous
|>           helium.  Any leakage will be monitored.
|> 
|>                Columbia is scheduled to be moved to Launch Pad 39-B
Monday,
                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Why?  Isn't it still sitting out on 39-A (note the title of this section
of
the KSC report)?  Do the two pads have some
difference or is the pad suspected of being a contributing factor in
the leak problem?

            
|>           Oct.  8 with first motion at 4 a.m.  Details and
requirements are
|>           being  identified  for  a  tanking test to be conducted
after the
|>           STS-41 launch.
|> 
|>                        STS-38 - ATLANTIS (OV 104) - OPF BAY 2
|> 
[Atlantis report removed]

Arch Hughes

gsh7w@astsun.astro.Virginia.EDU (Greg Hennessy) (10/05/90)

David Mears writes:
#This reminds me of a question I've been meaning to ask.
#Is there any difference between the two pads?  Can any shuttle launch
#from either pad for any particular mission, or are there some differences
#which dictate which pad a given mission (or shuttle) must use?

Pad-B is not cleared for DOD missions. That is why the "NASA Shuffle"
is being done with columbia and Atlantis. Apparently there is some
modifications which have been done to pad A to satisfy the spooks,
which haven't been done yet to pad b. Pad b is being upgraded to keep
the spooks happy, but not yet.
--
-Greg Hennessy, University of Virginia
 USPS Mail:     Astronomy Department, Charlottesville, VA 22903-2475 USA
 Internet:      gsh7w@virginia.edu  
 UUCP:		...!uunet!virginia!gsh7w