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Guest
Posted: Tue Mar 11, 2008 4:03 pm
On Mar 11, 3:58 pm, "max...@mission51l.com" <max...@mission51l.com>
wrote:
Quote:
On Mar 10, 9:32 pm, charliexmur...@yahoo.com wrote:

The work was started in1979 like I said.

Sure. Talk is cheap. SLC-6 work maybe, but not VLS work -- unless you
can provide a description of the shuttle work actually performed, **by
date**.

Landing strip extension
OMRF
pad mount
MST
PCR
PPF
SRB facility
ET storage
SAB

Shuttle work on those was performed after Reagan's inauguration.
That's fact. It was all in vain too. The filament-wound-cases needed
for polar orbit ruptured during testing at MSFC, to mention only one
of the post-Carter design problems.


work was started two years earlier Jan 79
Progress City
Posted: Tue Mar 11, 2008 4:15 pm
Guest
On Mar 4, 7:34 am, behlin...@gmail.com wrote:
Quote:
On Mar 4, 8:36 am, bob haller safety advocate <hall...@aol.com> wrote:

It will still be here to discuss the shuttle, because itsretirement
won't stop people from wanting to discuss it.

i doubt it will be retired on schedule............

Define schedule.  There are no more ET's being built so it will be
retired in 3 years

Why is NASA retiring the Shuttle before it's replacement is ready to

fly?
John Doe
Posted: Tue Mar 11, 2008 4:41 pm
Guest
Derek Lyons wrote:

Quote:
Huh? How late is 'after the fact'? As I saw illustrations of the
Shuttle docked to various things as early as the mid 70's. It doesn't
make sense for it to have been added 'after the fact' as it was
intended to service a space station from day one.

They "docked" various pieces such as the european lab and the spacehab.
But this was done on the ground before the flight.

But first docking with outside vehicle didn't happen until Mir in the
1990s.

At the time of the shuttle final design, wasn't there talk of having the
shuttle reboost Skylab ? If so, what sort of a docking system had they
envisaged for this ? One similar to the current one with a vertical tube
sticking "out" of the payload bay ?
John Doe
Posted: Tue Mar 11, 2008 4:48 pm
Guest
Jeff Findley wrote:

Quote:
I suppose it's never been clear to me exactly how the commander or pilot
flies the docking operations. I know there is a centerline camera in the
ODS, so does that mean that the commander or pilot in one of the front seats

As I recall, they work out of the aft section and their laptops (or
controls on the aft bulkhead) allow them access to the shuttle thrusters.
Brian Thorn
Posted: Tue Mar 11, 2008 7:26 pm
Guest
On Tue, 11 Mar 2008 09:07:29 -0400, "Jeff Findley"
<jeff.findley@ugs.nojunk.com> wrote:


Quote:
Docking was something added to the shuttle after the fact. With Apollo, it
was pretty much a requirement from day one.

No it wasn't. Docking was added for Block II. The original Apollo,
Block I, didn't have it.

Brian
Brian Thorn
Posted: Tue Mar 11, 2008 7:28 pm
Guest
On Tue, 11 Mar 2008 17:41:37 -0400, John Doe <jdoe@doe.org> wrote:


Quote:
At the time of the shuttle final design, wasn't there talk of having the
shuttle reboost Skylab ? If so, what sort of a docking system had they
envisaged for this ? One similar to the current one with a vertical tube
sticking "out" of the payload bay ?

A separate spacecraft, the Telerobotic Retreival System, using Apollo
hardware. It would have been remotely flown from the Shuttle.

Brian
Derek Lyons
Posted: Tue Mar 11, 2008 7:44 pm
Guest
"Jeff Findley" <jeff.findley@ugs.nojunk.com> wrote:

Quote:
I suppose it's never been clear to me exactly how the commander or pilot
flies the docking operations. I know there is a centerline camera in the
ODS, so does that mean that the commander or pilot in one of the front seats
is flying the docking with this camera view and the RPOP software running in
front of him? If so, then he/she has no clear view out of a window to help
guide them during docking, right?

The windows available to the CDR and PLT don't look in the direction
of the docking anyhow - they look forward, not up.

D.
--
Touch-twice life. Eat. Drink. Laugh.

http://derekl1963.livejournal.com/

-Resolved: To be more temperate in my postings.
Oct 5th, 2004 JDL
Jorge R. Frank
Posted: Tue Mar 11, 2008 9:22 pm
Guest
Jeff Findley wrote:
Quote:
"Jorge R. Frank" <jrfrank@ibm-pc.borg> wrote in message
news:D4qdnQ_FuO0uMUvanZ2dnUVZ_ofinZ2d@giganews.com...
Derek Lyons wrote:
"Jeff Findley" <jeff.findley@ugs.nojunk.com> wrote:

Docking was something added to the shuttle after the fact. With Apollo,
it was pretty much a requirement from day one.
Huh? How late is 'after the fact'?
Actual work on a shuttle docking mechanism did not start until 1992, when
preparations for Shuttle-Mir began.

As I saw illustrations of the
Shuttle docked to various things as early as the mid 70's. It doesn't
make sense for it to have been added 'after the fact' as it was
intended to service a space station from day one.
They were just that, illustrations. No actual work done on any of those
concepts.

Which is why the rendezvous and proximity operations (RPOP) software is
running on a laptop instead of on the shuttle's computers.

The shuttle Cockpit Avionics Upgrade (CAU) was going to rehost the RPOP
navigation/guidance functions onto the computers, but that got cancelled
after the 2010 retirement became official.

Quote:
I suppose it's never been clear to me exactly how the commander or pilot
flies the docking operations. I know there is a centerline camera in the
ODS, so does that mean that the commander or pilot in one of the front seats
is flying the docking with this camera view and the RPOP software running in
front of him? If so, then he/she has no clear view out of a window to help
guide them during docking, right?

The CDR flies the approach from the aft station. Looking aft, the CDR is
on the left (starboard) and the RMS operator station is on the right
(port). There is a translational hand controller (THC) and a rotational
hand controller (RHC) in the aft station, just like in the CDR's forward
seat. There is a good view of the station through the overhead windows.
Once range < 250 ft, the CDR must remain in the approach corridor
defined by an overlay on the centerline camera monitor. The monitors are
on the port side of the aft station, just to the right (looking aft) of
the RMS operator station, and mounted so that the CDR can see them
across the cockpit.

Placement of the RPOP laptops is crew preference, but there is generally
one on panel L10 (port side of the vehicle, behind the CDR seat) and one
on C3 (center console between the CDR and PLT seats). Some CDRs like to
route the prime RPOP display to a small V10 monitor and stick that right
in front of them on panel A6, while others don't like looking at RPOP
and prefer to have the PLT interpret the display and make verbal calls.

Quote:
In an Apollo CSM, I thought the guy flying the CSM could look right out the
window and see the docking target on the LM, Skylab, and etc.

Yes. The Crewman Optical Alignment Sight (COAS) in the left rendezvous
window was boresighted on the LM docking target.
Jorge R. Frank
Posted: Tue Mar 11, 2008 9:27 pm
Guest
Derek Lyons wrote:
Quote:
"Jorge R. Frank" <jrfrank@ibm-pc.borg> wrote:

Derek Lyons wrote:
"Jeff Findley" <jeff.findley@ugs.nojunk.com> wrote:

Docking was something added to the shuttle after the fact. With Apollo, it
was pretty much a requirement from day one.
Huh? How late is 'after the fact'?
Actual work on a shuttle docking mechanism did not start until 1992,
when preparations for Shuttle-Mir began.

As I saw illustrations of the
Shuttle docked to various things as early as the mid 70's. It doesn't
make sense for it to have been added 'after the fact' as it was
intended to service a space station from day one.
They were just that, illustrations. No actual work done on any of those
concepts.

When the work was done is irrelevant - the capability was intended
from the start is my point. Providing those capabilities way delayed,
not added.

It is relevant, because even though the capability was intended from the
start, it was not part of the original vehicle design. It wound up being
upgraded later, in a rather kludgy way that makes no sense from an
overall system perspective but makes perfect sense once you know that it
was grafted on.
Jorge R. Frank
Posted: Tue Mar 11, 2008 9:52 pm
Guest
Progress City wrote:
Quote:
On Mar 4, 7:34 am, behlin...@gmail.com wrote:
On Mar 4, 8:36 am, bob haller safety advocate <hall...@aol.com> wrote:

It will still be here to discuss the shuttle, because itsretirement
won't stop people from wanting to discuss it.
i doubt it will be retired on schedule............
Define schedule. There are no more ET's being built so it will be
retired in 3 years

Why is NASA retiring the Shuttle before it's replacement is ready to
fly?

Presidential directive, plus not enough budget to complete development
of the replacement while the shuttle is still flying.
Guest
Posted: Wed Mar 12, 2008 2:05 am
On Mar 11, 11:21 pm, bob haller safety advocate <hall...@aol.com>
wrote:
Quote:
Why is NASA retiring the Shuttle before it's replacement is ready to
fly?

after the columbia accident a arbitary end of program date was
selected, then ISS modules were deleted or scrapped to fit the
remaining number of flights. currently with flight delays there isnt
enough time to get all the flights in safely..... all it will take to
trash the schedule is one more problem.

its sad i think the end program date that was designed to increase
safety ultimately makes things less safe, putting too muchh pressure
on the schedule.

Just quit it. There is plenty of margin in the schedule. There is no
"pressure"
Jeff Findley
Posted: Wed Mar 12, 2008 10:25 am
Guest
"Jorge R. Frank" <jrfrank@ibm-pc.borg> wrote in message
news:vdadnUpdAaTLo0ranZ2dnUVZ_oimnZ2d@giganews.com...
Quote:
The CDR flies the approach from the aft station. Looking aft, the CDR is
on the left (starboard) and the RMS operator station is on the right
(port). There is a translational hand controller (THC) and a rotational
hand controller (RHC) in the aft station, just like in the CDR's forward
seat. There is a good view of the station through the overhead windows.
Once range < 250 ft, the CDR must remain in the approach corridor defined
by an overlay on the centerline camera monitor. The monitors are on the
port side of the aft station, just to the right (looking aft) of the RMS
operator station, and mounted so that the CDR can see them across the
cockpit.

Placement of the RPOP laptops is crew preference, but there is generally
one on panel L10 (port side of the vehicle, behind the CDR seat) and one
on C3 (center console between the CDR and PLT seats). Some CDRs like to
route the prime RPOP display to a small V10 monitor and stick that right
in front of them on panel A6, while others don't like looking at RPOP and
prefer to have the PLT interpret the display and make verbal calls.

Thanks for a great explanation of how a docking is actually flown. I'd
forgotten that the aft station allows the CDR to fly the shuttle. This
makes sense, now that I think about it, otherwise a rendezvous and RMS
grapple operation (e.g. Hubble servicing mission) would be rather difficult.

Jeff
--
A clever person solves a problem.
A wise person avoids it. -- Einstein
Jeff Findley
Posted: Wed Mar 12, 2008 12:12 pm
Guest
"Brian Thorn" <bthorn64@suddenlink.net> wrote in message
news:9n8et353hqcb7q1kpol0tiku38f2i5uv4p@4ax.com...
Quote:
On Tue, 11 Mar 2008 09:07:29 -0400, "Jeff Findley"
jeff.findley@ugs.nojunk.com> wrote:


Docking was something added to the shuttle after the fact. With Apollo,
it
was pretty much a requirement from day one.

No it wasn't. Docking was added for Block II. The original Apollo,
Block I, didn't have it.

True, but they at least reserved the space for it in the Block I design.

Apollo Command and Service Module System Specification /Block 1
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19790076921_1979076921.pdf

On page 119 and 121 (printed on the page, not what Acrobat says) there are
drawings of the Block I design showing where the docking/transfer tunnel
would go. The "Equipment Envelope" in the nose of the craft was a sort of
conical donut around the space reserved for the docking/transfer tunnel.

This is similar to the empty cylindrical space left in the center of the
current ATV's service module design. That space is reserved for future use
as a transfer tunnel connecting the forward pressurized module to a (female)
Soyuz/Progress type docking port on the rear of the ATV.

Jeff
--
A clever person solves a problem.
A wise person avoids it. -- Einstein
John Doe
Posted: Wed Mar 12, 2008 3:34 pm
Guest
Jeff Findley wrote:
Quote:
"Brian Thorn" <bthorn64@suddenlink.net> wrote in message

This is similar to the empty cylindrical space left in the center of the
current ATV's service module design. That space is reserved for future use
as a transfer tunnel connecting the forward pressurized module to a (female)
Soyuz/Progress type docking port on the rear of the ATV.

The ATV's pressurized cargo module has a russian type hatch at the
forward end, and a much larger hatch in its aft end (against the
propulsion module)

The cargo module is loaded via the larger hatch which is then closed,
and the cargo module is then mated to the propulsion module and the
whole ATV then mated to the arianne 5 rocket.
Guest
Posted: Wed Mar 12, 2008 5:05 pm
On Mar 12, 10:43 pm, Brian Thorn <bthor...@suddenlink.net> wrote:
.. Moving the docking adapter to the cargo
Quote:
bay meant the Shuttle only needed to carry it on missions that needed
it (Station missions) in turn meaning more payload could be carried on
missions that didn't need to dock (Spysat launches.)

Brian


It is not an easy thing to remove and installed. And now, it can't be
removed since it is the only airlock
 
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