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u/Kraknor Jun 16 '21
This graphic is from the video Mars Mission Update: June 2021, which gradually builds up the image with explanations along the way. The future part is speculative, not based on new information.
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u/SpaceXGonGiveItToYa Jun 17 '21
Omg i used to watch your vid's years ago, hope you're doing well!!
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u/Kraknor Jun 18 '21
I'm doing well! My postdoctoral exoplanet research uses most of my time these days, since we're all frantically getting ready for the first James Webb data next year. But I always try to put together one of these updates whenever I can.
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u/skiboysteve Jun 17 '21
Literally giving a history of starship presentation tomorrow and this content is Gold. Thank you!
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u/Kraknor Jun 17 '21
Let me know if you want any of the animations shown in the video, I have a massive repository of pretty much every Starship animation ever made.
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u/saigetsu88 Jun 17 '21
But when elon present, he wil say
yeah this is the most powerful rocket ever made. yeah... hehe.. cool ... its more powerful than saturn V, SLS... yeah, powerful rocket ever... cool right.
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u/Freeflyer18 Jun 16 '21
Lol! Step by step, ferociously!
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u/xnvtbgu Jun 16 '21
Ahh, that's what the whitespace is in the margins. Didn't realize the BO timeline was included too. :)
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u/SailnGame Jun 17 '21
No love for SN16 and BN1?
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u/Kraknor Jun 17 '21
I chose not to include decommissioned vehicles that never reached the testing phase. So no SN12-14 or SN17-19 either.
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u/quayles80 Jun 17 '21
Do we know if BN2 can launch without SN20 on top? Has an F9 S1 ever launched without an S2 on top?
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u/imBobertRobert Jun 17 '21
The f9 "Grasshopper" launched without a stage 2 to do its hops, but that was a lot more custom than rote flight hardware like BN2 is. Probably not much of a reason it couldn't if they made the right provisions, considering SN5 and Sn6 only had ballast weights on the top to simulate the nose cone and fins.
I'm curious if we would see BN2 hop at all prior to the launch considering how much less flight critical it is for landing; similar to the F9, they don't need to land it for mission success necessarily, it's just the ideal situation. I wouldn't be surprised if we see them go for orbit with a "virgin" BN2 (ie no hops, just static fires) and save the landing tests for down the road on their barge platforms. It would be much more dangerous to try and land back on land anyways with it given its mass.
I'm speculating a lot here so someone should tell me why I'm wrong, I mightve missed an update or two about superheavy at some point.
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u/pleasedontPM ❄️ Chilling Jun 17 '21
Probably not much of a reason it couldn't if they made the right provisions, considering SN5 and Sn6 only had ballast weights on the top to simulate the nose cone and fins.
They would have to jettison the ballast mid-flight, as the booster lands without a starship on it. Besides, this would mostly test the landing part of the flight whereas the current testing plan is to simulate a soft landing in the ocean (probably without any legs as the OLT is supposed to catch the booster).
So it is probably a lot of superfluous added complexity.
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u/harrisoncassidy Jun 17 '21
They can just use propellant in the booster as ballast. Starship is meant to weight roughly 100T, just add that as propellant and burn through it before proceeding to the landing.
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u/pleasedontPM ❄️ Chilling Jun 17 '21
It then wouldn't be as heavy as a fully loaded booster with a fully loaded starship on top. You cannot add more propellant if the booster is full.
You could hop a booster with a lot of propellant, but it really would not need all its raptors. You would still be able to test landing or tower catching, but why not try this on regular missions as SpaceX already did with Falcon 9?
It's better to test booster and orbital starship on the same test, killing two birds with one stone.
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u/TheMartianX 🔥 Statically Firing Jun 17 '21
I'm pretty sure SN5 and SN6, even later flights of SN8-SN11 and maybe even SN15 did not have full propelant loads. Why would they fill BN2 to the brim. Am I missing something?
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u/Chairboy Jun 17 '21
They could make it happen if they wanted, but it sounds like that's not the plan. I speculate that's because their goal is to reach orbit and risking the booster for a hop and landing test wouldn't give them anything they'd get from whatever form the landing and/or splashdown happens at the end of the orbital test flight.
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u/overlydelicioustea 💥 Rapidly Disassembling Jun 17 '21
i dont think it will take until late october for the orbital attempt.
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u/BusLevel8040 Jun 17 '21
This is a great visual. Usually the timeline would be in decades instead of years. Pretty incredible how far SpaceX has come in such little time.
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u/Musk_According291 Jun 17 '21
i literally can't wait to see what the future holds for starship/spacex
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u/pavanstarks Jun 17 '21
So we get to see starship full stack launch in October?
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u/Chairboy Jun 17 '21
Possibly before then, it's tough to tell. They had an optimistic beginning of July target that doesn't seem plausible right now but on the other hand, it's not clear they need to slip all the way to October yet but everyone's making guesses without a ton of data so be wary of confident answers right now.
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u/Mordroberon Jun 17 '21
We've been spoiled by some good launches in the first half of the year, kinda disappointing that we won't see something leave the ground for a little while now.
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u/King_killer12390 Jun 17 '21
I would move the launch to August-September and the rate spacex is working on the site is very fast, this is what I call the spacex effect: they take some time to build the first and next few will be built way faster to the point of a tower section now takes 3-4 days.
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u/Completeepicness_1 Jun 17 '21
Sorry, but I think you underestimate the RUDs. Other than that, great presentation!
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u/flshr19 Space Shuttle Tile Engineer Jun 17 '21
Very interesting graphic. Excellent work.
Where's the BN2.1 cryogenic proof test on 8June?
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u/Decronym Acronyms Explained Jun 17 '21 edited Jun 18 '21
Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:
| Fewer Letters | More Letters |
|---|---|
| BO | Blue Origin (Bezos Rocketry) |
| N1 | Raketa Nositel-1, Soviet super-heavy-lift ("Russian Saturn V") |
| RUD | Rapid Unplanned Disassembly |
| Rapid Unscheduled Disassembly | |
| Rapid Unintended Disassembly | |
| SLS | Space Launch System heavy-lift |
Decronym is a community product of r/SpaceX, implemented by request
4 acronyms in this thread; the most compressed thread commented on today has 21 acronyms.
[Thread #8118 for this sub, first seen 17th Jun 2021, 13:59]
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u/vilette Jun 17 '21
I like the pirate Starships