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CO, USA
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Posted: 6/14/2023 7:28:55 PM EDT
[#1]
Quote HistoryOriginally Posted By rustyboy: Starlink 87 had me freaked out. Night fishing Monday night, outside ATL. I am a pretty big space nerd, so I've seen starlink clusters before, but they were extremely close on Monday, like one solid beam of bright light that faded as it passed. It was so soon after launch that all my apps didn't show them yet. So they were a UFO to me for about two hours, until I figured it out. My wife still hasn't stopped giving me a hard time, because I was a tad freaked out. You mean Starlink 5-11? Check this site or if you can use element sets this site. |
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Posted: 6/14/2023 7:52:15 PM EDT
[#2]
Quote HistoryOriginally Posted By Chokey: https://pbs.twimg.com/media/FynoEKjXoAEIFvP?format=png&name=medium  |
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USA
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Posted: 6/15/2023 11:52:00 PM EDT
[Last Edit: Zam18th]
[#3]
  SpaceX Starbase 6/14/23 4K Megabay 2 Section Move Starship 25 and 28 Boca Chica Texas Day 323 |
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Posted: 6/17/2023 4:08:07 PM EDT
[#4]
Quote HistoryOriginally Posted By Chokey: https://pbs.twimg.com/media/FynoEKjXoAEIFvP?format=png&name=medium |
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TX, USA
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Posted: 6/17/2023 5:23:12 PM EDT
[#5]
Imagine being the lucky kid that get's a quarter for checking the pressure in all those tires.
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USA
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Posted: 6/17/2023 10:44:14 PM EDT
[#6]
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Posted: 6/17/2023 10:49:26 PM EDT
[#7]
Quote HistoryOriginally Posted By Zam18th:
ELON PLANNED IT THE ENTIRE TIME honestly it wouldn't surprise me lol |
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Posted: 6/17/2023 10:53:17 PM EDT
[#8]
Quote HistoryOriginally Posted By shooter_gregg: That might be a fun job. I wonder what the pay is like. Quote HistoryOriginally Posted By shooter_gregg: Originally Posted By Chokey: https://pbs.twimg.com/media/FynoEKjXoAEIFvP?format=png&name=medium |
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Posted: 6/18/2023 3:01:16 PM EDT
[#9]
thread with a bunch of renders
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Posted: 6/21/2023 4:15:05 PM EDT
[#10]
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USA
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Posted: 6/21/2023 7:08:23 PM EDT
[#11]
Quote HistoryOriginally Posted By Chokey:
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USA
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Posted: 6/21/2023 10:35:18 PM EDT
[#12]
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Posted: 6/22/2023 12:08:27 PM EDT
[#13]
 Needs more "Nose Bell." |
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Posted: 6/22/2023 1:26:10 PM EDT
[#14]
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USA
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Posted: 6/22/2023 7:43:26 PM EDT
[#15]
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Posted: 6/22/2023 8:01:10 PM EDT
[#16]
Quote HistoryOriginally Posted By Zam18th:
https://pbs.twimg.com/media/FzP77OuXgBE3PKL?format=jpg&name=4096x4096 Wow  Ladder looks tiny |
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USA
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Posted: 6/24/2023 11:43:01 AM EDT
[Last Edit: Zam18th]
[#17]
Elon said there are an immense number of changes for the next flight. Maybe 6 weeks away.
Also dropped a bombshell that they're moving to hot staging. That's likely what that mystery ring section was. https://twitter.com/elonmusk/status/1672607239608172544 Elon got pissed ended the interview and deleted his tweet.  The space is still here https://twitter.com/i/spaces/1OyJAVEdkMaxb |
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Posted: 6/24/2023 11:50:26 AM EDT
[#18]
Elon says there's a much higher chance of getting to orbit with the second test flight due to vast amount of mods. Late breaking change to staging - now hot staging(!). "Never stop thrusting" - Elon Musk 😅 Ship engines will fire up before all the Booster engines shutdown. Now need vents for hot staging. Adding an extension to the booster that is all vent and more shielding to the top of the booster. It's the most risking thing for the next flight. Launch pad upgrades and Booster/Ship ready in six weeks. 1000 cubic meters of steel reinforcement below the OLM. Then a steel sandwich water suppression system on top, with overkill to help the base of the pad. |
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USA
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Posted: 6/24/2023 3:04:34 PM EDT
[Last Edit: Zam18th]
[#19]
Not sure I'm a fan of this new hot staging idea. It seems like another unnecessary complexity. Let the N1 go.
 They need to focus on getting to orbit and HLS. Good luck keeping the tiles on it when they fire up those engines.
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Posted: 6/24/2023 6:24:55 PM EDT
[#20]
He wants to release tension on the clamps.
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Posted: 6/24/2023 7:42:25 PM EDT
[#21]
Quote HistoryOriginally Posted By Chokey:
Elon says there's a much higher chance of getting to orbit with the second test flight due to vast amount of mods. Late breaking change to staging - now hot staging(!). "Never stop thrusting" - Elon Musk 😅 Ship engines will fire up before all the Booster engines shutdown. Now need vents for hot staging. Adding an extension to the booster that is all vent and more shielding to the top of the booster. It's the most risking thing for the next flight. Launch pad upgrades and Booster/Ship ready in six weeks. 1000 cubic meters of steel reinforcement below the OLM. Then a steel sandwich water suppression system on top, with overkill to help the base of the pad. Explain hot staging |
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CO, USA
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Posted: 6/24/2023 7:49:01 PM EDT
[#22]
Quote HistoryOriginally Posted By RattleCanAR: Explain hot staging Sounds like igniting the second stage engines before the main engines shut down. I am wondering if that means before stage separation which seems like a way to blow up things. |
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Posted: 6/24/2023 7:53:08 PM EDT
[#23]
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Posted: 6/24/2023 7:53:33 PM EDT
[Last Edit: AZ_Sky]
[#24]
Quote HistoryOriginally Posted By AmericanPeople: Sounds like igniting the second stage engines before the main engines shut down. I am wondering if that means before stage separation which seems like a way to blow up things. Quote HistoryOriginally Posted By AmericanPeople: Originally Posted By RattleCanAR: Explain hot staging Sounds like igniting the second stage engines before the main engines shut down. I am wondering if that means before stage separation which seems like a way to blow up things. EDIT - of course beat by Chokey... 
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Posted: 6/24/2023 7:58:22 PM EDT
[#25]
Quote HistoryOriginally Posted By RattleCanAR: Explain hot staging Quote HistoryOriginally Posted By RattleCanAR: Originally Posted By Chokey:
Elon says there's a much higher chance of getting to orbit with the second test flight due to vast amount of mods. Late breaking change to staging - now hot staging(!). "Never stop thrusting" - Elon Musk 😅 Ship engines will fire up before all the Booster engines shutdown. Now need vents for hot staging. Adding an extension to the booster that is all vent and more shielding to the top of the booster. It's the most risking thing for the next flight. Launch pad upgrades and Booster/Ship ready in six weeks. 1000 cubic meters of steel reinforcement below the OLM. Then a steel sandwich water suppression system on top, with overkill to help the base of the pad. Explain hot staging Start the next stage engines, while the two stages are connected. Once the next stage is throttled up(in this case Starship) then release the clamps holding Starship and Super Heavy together. Technically challenging, but if done correctly, you dont have to deal with fuel slosh or the decel on the structure from the Super Heavy engine cut and accel on Starship engine start. Kinda nuts on something that big. |
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Posted: 6/24/2023 7:59:40 PM EDT
[#26]
Quote HistoryOriginally Posted By AmericanPeople: Sounds like igniting the second stage engines before the main engines shut down. I am wondering if that means before stage separation which seems like a way to blow up things. Quote HistoryOriginally Posted By AmericanPeople: Originally Posted By RattleCanAR: Explain hot staging Sounds like igniting the second stage engines before the main engines shut down. I am wondering if that means before stage separation which seems like a way to blow up things. Eh, it'll be fine if you release the next stage quick enough. |
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Posted: 6/24/2023 8:19:35 PM EDT
[#27]
Quote HistoryOriginally Posted By AmericanPeople: Sounds like igniting the second stage engines before the main engines shut down. I am wondering if that means before stage separation which seems like a way to blow up things. Quote HistoryOriginally Posted By AmericanPeople: Originally Posted By RattleCanAR: Explain hot staging Sounds like igniting the second stage engines before the main engines shut down. I am wondering if that means before stage separation which seems like a way to blow up things.  Titan II separation |
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Posted: 6/24/2023 8:28:08 PM EDT
[#28]
Quote HistoryOriginally Posted By AmericanPeople: Sounds like igniting the second stage engines before the main engines shut down. I am wondering if that means before stage separation which seems like a way to blow up things. They will likely be only keeping enough lit to de-tension the coupling. |
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Posted: 6/24/2023 8:28:31 PM EDT
[#29]
Quote HistoryOriginally Posted By AZ_Sky: Apparently, the Russians have been hot staging rockets for decades without any problems - and if they can do it.... EDIT - of course beat by Chokey... Titans hot-stage |
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Posted: 6/24/2023 9:45:23 PM EDT
[#30]
Gemini was hot staged.
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Posted: 6/25/2023 9:32:15 AM EDT
[#31]
Quote HistoryOriginally Posted By Chokey: an extension to the booster that is all vent I want hear how they'll engineer this with enough structural integrity to bear the weight of Starship during launch. |
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Posted: 6/25/2023 9:55:15 AM EDT
[Last Edit: HeavyMetal]
[#32]
I don’t think they are going to go full fire in the hole staging. They just want to limit the deceleration of the booster before staging to get a cleaner sep. There will not be positive thrust on the booster in that the t/w ratio will be negative.
There will be space between them before the 2nd ignites. |
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Posted: 6/25/2023 10:44:05 AM EDT
[#33]
Quote HistoryOriginally Posted By HeavyMetal: I don’t think they are going to go full fire in the hole staging. They just want to limit the deceleration of the booster before staging to get a cleaner sep. There will not be positive thrust on the booster in that the t/w ratio will be negative. There will be space between them before the 2nd ignites. You're going to have to break down how that happens if booster is still producing thrust from at least two engines, even throttled down, and the majority of the aero drag is acting on ship. How do they create the separation between stages before starship fires it's raptors? |
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Posted: 6/25/2023 3:31:25 PM EDT
[#34]
  
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Posted: 6/25/2023 3:35:15 PM EDT
[#35]
Quote HistoryOriginally Posted By Chokey:
https://pbs.twimg.com/media/FzeSZL9XoAAXD9Z?format=jpg&name=large https://pbs.twimg.com/media/FzeSmG0WwAA3LNB?format=jpg&name=large https://pbs.twimg.com/media/FzeSnXDXsAADYJB?format=jpg&name=large I scrolled through this post quickly, and very briefly thought we were looking at a 4 stage rocket. |
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Posted: 6/25/2023 6:29:23 PM EDT
[#36]
 
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Posted: 6/25/2023 6:32:15 PM EDT
[#37]
Quote HistoryOriginally Posted By DarkGray: You're going to have to break down how that happens if booster is still producing thrust from at least two engines, even throttled down, and the majority of the aero drag is acting on ship. How do they create the separation between stages before starship fires it's raptors? As long at the booster and residual fuel weigh more than the thrust, it goes down. |
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Posted: 6/25/2023 6:33:28 PM EDT
[#38]
Apparently, he is gonna hot stage. One of the advantages of having a shit made out of stainless steel.
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Posted: 6/25/2023 10:46:26 PM EDT
[#39]
It's amazing how fast they're progressing.
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USA
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Posted: 6/26/2023 12:51:17 AM EDT
[Last Edit: Zam18th]
[#40]
The pour has begun!
40-50 trucks have poured as of 2am |
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Posted: 6/26/2023 9:37:13 AM EDT
[#41]
Hot staging also helps enable a pad abort.
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Posted: 6/26/2023 11:35:05 AM EDT
[#42]
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Posted: 6/26/2023 11:40:05 AM EDT
[#43]
Quote HistoryOriginally Posted By Chokey:
That's a lot of mud
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Posted: 6/26/2023 12:22:54 PM EDT
[#44]
Quote HistoryOriginally Posted By HeavyMetal: Hot staging also helps enable a pad abort. I'd like to hear more about that, please. |
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Posted: 6/26/2023 6:47:54 PM EDT
[#45]
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Posted: 6/26/2023 6:50:34 PM EDT
[#46]
Quote HistoryOriginally Posted By HeavyMetal: Hot staging also helps enable a pad abort. Now, I am not a engineer, or even the holder of a STEM degree, but I doubt that Starship would be capable of a pad abort using only raptors. Even with hot staging, I don't think lighting three to six raptors and burning 100%+ over a methalox bomb until clear would be a great idea. From the Super Draco tests it appears that the capsule gets the fuck outta town in a hurry. I can't see 3 raptors, 6 if county the vacs, performing like that from zero-zero. |
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Posted: 6/26/2023 6:58:20 PM EDT
[Last Edit: redoubt]
[#47]
Quote HistoryOriginally Posted By ScaryBlackGuns: Now, I am not a engineer, or even the holder of a STEM degree, but I doubt that Starship would be capable of a pad abort using only raptors. Even with hot staging, I don't think lighting three to six raptors and burning 100%+ over a methalox bomb until clear would be a great idea. From the Super Draco tests it appears that the capsule gets the fuck outta town in a hurry. I can't see 3 raptors, 6 if county the vacs, performing like that from zero-zero. ETA: Before you say water landing, lets assume the smart guys at SpaceX figure out how to get zero/zero at the surface of the water with empty tanks. Now your meat sacks are at the top of a 15 story building that is going to want to assume a horizontal stability profile. So it's going to tip over and the hapless guys at the top of the rocket are going to take a 15 story fall in a direction that probably doesn't align with the optimum force vector for their seats to protect them. Escape a pad explosion (maybe) and then go for a high-g wild ride, and finally get ripped apart by the seatbelts when your rocket falls over in the wrong direction. |
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CO, USA
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Posted: 6/26/2023 7:02:59 PM EDT
[#48]
Quote HistoryOriginally Posted By redoubt: Additionally, how would the ship land? Starship doesn't have landing gear anymore. You'd have to burn it empty or you're landing a methalox bomb without landing legs. And I don't think you could burn it empty, because you need a margin for propulsive landing. Are you sure about the landing gear on Starship? It does not make sense that it no longer has them. The booster (Super Heavy) is caught with the launch tower chopsticks and the grid fins. |
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Posted: 6/26/2023 7:07:18 PM EDT
[#49]
Quote HistoryOriginally Posted By AmericanPeople: Are you sure about the landing gear on Starship? It does not make sense that it no longer has them. The booster (Super Heavy) is caught with the launch tower chopsticks and the grid fins. |
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CO, USA
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Posted: 6/26/2023 8:13:33 PM EDT
[#50]
Quote HistoryOriginally Posted By redoubt: Yes. Starship is meant to be caught on the tower, too. Lunar Starship and probably the first Mars ships will have landing legs. But the LEO one's won't. You may be right but that sounds like another SpaceX fuckup in the making. |
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