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  #251  
Old 09-28-2022, 08:36 PM
frognbuff frognbuff is offline
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Next attempt will be in November.
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  #252  
Old 09-28-2022, 08:55 PM
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Quote:
Originally Posted by frognbuff
Next attempt will be in November.


Is there a source? I’ve been looking for any updates and have not seen much.

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  #253  
Old 09-28-2022, 10:01 PM
Bob Austin Bob Austin is offline
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NASA Space Flight has a live stream running showing the exterior of the VAB, current radar plus two other rotating shots.


https://www.youtube.com/watch?v=gnt2wZBg89g
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  #254  
Old 09-29-2022, 06:12 AM
frognbuff frognbuff is offline
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Quote:
Originally Posted by Earl
Is there a source? I’ve been looking for any updates and have not seen much.

Earl


That's what I'm hearing from the ICPS team at work. Everything points to skipping Launch Period 27 and trying again in LP-28.
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  #255  
Old 09-29-2022, 10:29 AM
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Quote:
Originally Posted by frognbuff
That's what I'm hearing from the ICPS team at work. Everything points to skipping Launch Period 27 and trying again in LP-28.


Aaaaah. Ok, thanks.

I guess they'll put something out eventually, but it may take a while for them to make a final decision, what with all the storm impacts to pick through, the FTS batteries to change and system recert to do. I was figuring it might be mid-October at the very, very earliest.

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  #256  
Old 09-29-2022, 07:23 PM
frognbuff frognbuff is offline
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Quote:
Originally Posted by Earl
Aaaaah. Ok, thanks.

I guess they'll put something out eventually, but it may take a while for them to make a final decision, what with all the storm impacts to pick through, the FTS batteries to change and system recert to do. I was figuring it might be mid-October at the very, very earliest.

Earl


Gotta replace ICPS batteries too.
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  #257  
Old 09-30-2022, 05:06 PM
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Your call has been confirmed by NASA themselves. Targeting November.

Blog post: https://blogs.nasa.gov/artemis/2022...ber-for-launch/


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  #258  
Old 10-09-2022, 11:37 PM
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luke strawwalker luke strawwalker is offline
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Quote:
Originally Posted by Winston2021
The SLS... Senate Launch System designed as a continued employment program for Shuttle manufacturers "saving money" by using, at first, left over SMEs designed to be reusable in totally disposable mode, later a "lower cost" version along with SRBs that, unlike with the Shuttle, will also be disposed of on each flight... not that I could ever find firm info that the Shuttle SRB reuse ever actually saved money.

WHY do we "need" a heavy lift vehicle anyway? DESIGN heavy stuff to be launched in sections into orbit on smaller launch vehicles and then assemble in Earth orbit. Auto-docking could be used for assembly or even telepresence robotics due to low signal trip delay in Earth orbit.

What a HUGE boondoggle and total waste of money...


Yup... basically 2 Falcon Heavies can do the same as one SLS, for a TINY TINY fraction of the cost. It's just that they have DESIGNED stuff to be launched by a giant rocket in order to *require* a giant rocket to launch it... classical circular reasoning. It's really stupid.

H3ll they don't even have a lunar lander-- SpaceX has been contracted to supply a "lunar Starship" for landing on the Moon. NASA's lunar lander plan under the Constellation program, Altair, was cancelled nearly 2 decades ago to free up money for the expensive and troubled Orion/Ares I disaster, err... I mean "development". At the time when the Constellation program was first proposed under Bush II's "Moon, Mars, and Beyond!" program, the "Vision for Space Exploration", Ares I was to launch the crew atop a single SRB and single airlit SSME powered second stage, "the safest rocket ever designed", and Ares V, the "heavy lifter" was to lob the lunar module "Altair" and the in-space propulsion stage to get it all to the Moon. Orion would dock to the top of the Altair, and then the in-space propulsion stage shoot the whole thing through TLI, "eyeballs out" in the Orion (Orion facing backwards to direction of flight). Course the load paths made Altair needlessly heavy, as did the ENORMOUS hydrogen tanks required for the RL-10 engines powering it, compared to the storable hypergolic propellant tanks on the LM. Plus the Altair cabin would be like 20-30 feet above the Moon after it landed, requiring a LONG ladder to get down to the surface and back up again. NASA soon ran out of money for development and problems started piling up, so to free up money they started canceling aspects of the program-- first to go about the time the ink was dry was the Prometheus nuclear power/propulsion effort. Next was Altair. Hmmm... kinda hard to land on the Moon, with NO MOON LANDER LOL As it was in the 60's Apollo program, basically LM development issues drove most of the schedule for the entire program-- Apollo 8 happened because the LM wasn't ready, even as late as Apollo 10, the LM was STILL too heavy to land on the Moon!!! Yet with NASA today, "well just pull a lunar lander out of our butt when we need one". Why I've always considered Artemis to be something of a joke...

Back in the early days, under NASA Administrator Sean O'keefe and his assistant Admiral Steidle, the plan was "spiral development" of the existing EELV rockets (Atlas V and Delta IV), increasing their capabilities as needed for various phases of the program as needed to perform the lunar mission and, developing larger variants, the Mars mission. Of course the Air Force, that had paid ULA for the EELV development, didn't want NASA messing with their rockets, and the "shuttle mafia", the select group of very powerful old school NASA contractors who'd been delivering shuttle parts for decades, didn't want to see their main source of revenue dry up, without something "equivalent" replacing them... thus "shuttle derived" was born, and soon their lobbyists exerted enough pressure in gubmint to get Okeefe and company tossed out, and Mike Griffin put in, who had his "mega rocket" Ares V design using plenty of old shuttle parts to keep them in contracts. They had already succeeded in getting NASA to build Orion "too big" to launch on Atlas V or Delta IV Heavy, (although later of course when it launched on EFT-1 this proved to be a fallacy). SO NASA argued they HAD to have the "Scotty rocket", a design by a former NASA astronaut to create a new rocket out of an old SRB for a first stage, with a new upper stage powered by a single SSME. Of course this "back of the napkin" design didn't actually work-- the SRB is basically under-thrust and insufficient burn duration for the fat Orion, and and airlit SSME turned out to require basically an ENTIRE redesign of the engine, as SSME's were designed to be GROUNDLIT. Of course NASA plowed ahead, and substituted J-2S, the only other "high thrust" hydrogen engine at their disposal, in the design. Half the thrust of SSME, it couldn't do the job. SO they decided to totally redesign the engine, to increase thrust (and weight) to turn it into J-2X, but it lowered the efficiency and increased the weight, both BAD things for a second stage engine! Ares I limped along, beset by one problem after another-- adding a fifth segment to the SRB was tried, but while it added some thrust, the burn time was still too short, and no way to increase burn time without increasing motor diameter, which was a non-starter. Orion weight had to come down, so Orion was forced into a "zero base vehicle" weight scrub where basically EVERY system on the spacecraft had to EARN its place and weight on the spacecraft, and so things like the toilet and land-landing capabilities were deleted for Orion, resorting to splashdowns like Apollo. (these systems would be resurrected for Starliner, which is based on Orion design anyway). At the end, Ares I STILL couldn't deliver an Orion to orbit without burning half the fuel in the service module to stagger into orbit after the first and second stages dropped it off... and NASA didn't warm to possible solutions like "Stumpy" which would have used 2 three-segment shuttle SRB's coupled to either side of a single ground lit SSME powered ET-based "mini core" rocket to get Orion into orbit. Ares I-X, the single test flight of a four segment shuttle SRB topped with a fifth dummy segment, and a battleship upper stage simulator and Orion boilerplate with a dummy LES tower, flew and staged but when it splashed down under parachute, the first stage SRB casings were found to be bent beyond reuse, due to the additional weight and length of the fifth segment. SO all plans to reuse the SRB casings, on Ares I AND V, were scrapped-- NASA sold its SRB recovery ships and decided to use the remaining shuttle SRB casings in expendable mode til they were gone, then have a billion dollar project to develop all-new spiral-filament wound disposable boosters.

FINALLY the Ares I and with it the Constellation program were put out of their misery by Obama in the one smart move I can point to in his presidency, after having burned through over $9 billion dollars. Ares V went with it, and suddenly there was a scramble to put *something* shuttle derived in its place... hence SLS, or "Ares V Lite". And here we are.

Later! OL J R
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  #259  
Old 10-12-2022, 06:38 PM
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Earl Earl is offline
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Ok, looks like they will try again starting at 12:07am, Monday, November 14. I guess that means actually ‘late Sunday night’ on the 13th. Sixty-nine minute window that night. Backup windows on the 16th and the 19th.

Of course, all those dates are over a month from now, so plenty of opportunities for ‘things’ to crop up and change that schedule.

Full NASA blog post link: https://blogs.nasa.gov/artemis/2022...i-moon-mission/


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  #260  
Old 11-01-2022, 08:29 PM
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Quote:
Originally Posted by Earl
Ok, looks like they will try again starting at 12:07am, Monday, November 14. I guess that means actually ‘late Sunday night’ on the 13th. Sixty-nine minute window that night. Backup windows on the 16th and the 19th.

Of course, all those dates are over a month from now, so plenty of opportunities for ‘things’ to crop up and change that schedule.

Full NASA blog post link: https://blogs.nasa.gov/artemis/2022...i-moon-mission/


Earl


Looks like the targeted launch date mentioned above is currently still holding. Rollout to the pad from the VAB is currently scheduled for this coming Thursday night at 12:01am eastern (which technically of course is ‘Friday’).

Latest blog entry: https://blogs.nasa.gov/artemis/2022...-to-launch-pad/


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