Talk:Space Launch System
Space Launch System has been listed as one of the Natural sciences good articles under the good article criteria. If you can improve it further, please do so. If it no longer meets these criteria, you can reassess it. Review: October 15, 2021. (Reviewed version). |
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A fact from Space Launch System appeared on Wikipedia's Main Page in the Did you know column on 16 November 2021 (check views). The text of the entry was as follows:
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Did you know nomination
[edit]- The following is an archived discussion of the DYK nomination of the article below. Please do not modify this page. Subsequent comments should be made on the appropriate discussion page (such as this nomination's talk page, the article's talk page or Wikipedia talk:Did you know), unless there is consensus to re-open the discussion at this page. No further edits should be made to this page.
The result was: promoted by Theleekycauldron (talk) 06:47, 8 November 2021 (UTC)
- ... that the Space Launch System rocket uses the same Mobile Launcher (pictured) that the cancelled Ares I rocket would have used? Source: [1]
- ALT1:... that the Space Launch System rocket (pictured) will generate nearly nine million pounds of thrust at liftoff? Source: [2]
- Reviewed: [[]]
Improved to Good Article status by Leijurv (talk), DeltaDizzy (talk), CactiStaccingCrane (talk), and N2e (talk). Nominated by DeltaDizzy (talk) at 02:12, 21 October 2021 (UTC).
General: Article is new enough and long enough |
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Policy: Article is sourced, neutral, and free of copyright problems |
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Hook: Hook has been verified by provided inline citation |
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Image: Image is freely licensed, used in the article, and clear at 100px. |
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QPQ: None required. |
Overall: The article is an interesting read. There is no issue for me, everything checks out. Paraphrasing issues were settled during the GA nomination process. The picture is used in the the gallery section of the article, not in the prose, but I don't think this is a problem. Both hooks are interesting. although I prefer ALT1 which I feel would appeal more to broad audience. Just waiting for a QPQ. Lulusword (talk) 06:29, 31 October 2021 (UTC)
- On second check, I realise that the nominator is exempted from a QPQ. I tweak the hook ALT0 a bit to incorporate the image into the hook. Previously, I said I preferred ALT1 but there's no image to go with it so I take it back. If there is any image that can go with ALT1 instead, feel free to add. Otherwise, this is good to go. Lulusword (talk) 09:20, 31 October 2021 (UTC)
- @Lulusword: Thanks for the review! I think either hook is fine. For ALT1, I don't have a great image honestly. However, I thought that DYK would, more-likely-than-not, not have an image? Some ideas of an image for ALT1 if I'm mistaken though: File:SLS_green_run-01.png could be used, but it is a closeup on the bottom of the rocket and I don't think it would make much sense to a wide audience. I don't think a render of the rocket on the ground such as File:Sls_block1_on-pad_sunrisesmall.jpg would work well with a hook about thrust. An ideal image would be the rocket in flight, but that hasn't happened yet, so we only have simulations and renders, which are less than ideal. An example is File:Orange tank SLS - Post-CDR.jpg (or another file in commons:Category:Illustrations of Space Launch System). I don't think it looks good and it's obviously a computer render. If ALT1 needs an image, that last one is the least bad I suppose. If this DYK would take the top spot with an image though, it should be ALT0 in my opinion. I've edited it in. Thanks again! Leijurv (talk) 22:30, 1 November 2021 (UTC)
- @Leijurv: The image looks great! Can you put it somewhere in the article too so it can be used in the hook? Lulusword (talk) 06:15, 2 November 2021 (UTC)
- @Lulusword: Sure thing, done! Leijurv (talk) 08:13, 2 November 2021 (UTC)
- Thanks! Lulusword (talk) 13:24, 2 November 2021 (UTC)
- @DeltaDizzy: where could I find ALT1 in the article? theleekycauldron (talk • contribs) (they/them) 05:41, 5 November 2021 (UTC)
- @Theleekycauldron: The total liftoff thrust is not explicitly stated in the article but the thrust for all of the stages firing at liftoff is stated. The combined thrust could be added quickly if needed. DeltaDizzy (talk) 15:00, 5 November 2021 (UTC)
- @DeltaDizzy: that'd be good, thanks! theleekycauldron (talk • contribs) (they/them) 22:42, 5 November 2021 (UTC)
- @Theleekycauldron: Alright, thrust added to the Block Differences section. DeltaDizzy (talk) 23:49, 5 November 2021 (UTC)
- Thanks! Lulusword (talk) 13:24, 2 November 2021 (UTC)
- @Lulusword: Sure thing, done! Leijurv (talk) 08:13, 2 November 2021 (UTC)
- @Leijurv: The image looks great! Can you put it somewhere in the article too so it can be used in the hook? Lulusword (talk) 06:15, 2 November 2021 (UTC)
- @Lulusword: Thanks for the review! I think either hook is fine. For ALT1, I don't have a great image honestly. However, I thought that DYK would, more-likely-than-not, not have an image? Some ideas of an image for ALT1 if I'm mistaken though: File:SLS_green_run-01.png could be used, but it is a closeup on the bottom of the rocket and I don't think it would make much sense to a wide audience. I don't think a render of the rocket on the ground such as File:Sls_block1_on-pad_sunrisesmall.jpg would work well with a hook about thrust. An ideal image would be the rocket in flight, but that hasn't happened yet, so we only have simulations and renders, which are less than ideal. An example is File:Orange tank SLS - Post-CDR.jpg (or another file in commons:Category:Illustrations of Space Launch System). I don't think it looks good and it's obviously a computer render. If ALT1 needs an image, that last one is the least bad I suppose. If this DYK would take the top spot with an image though, it should be ALT0 in my opinion. I've edited it in. Thanks again! Leijurv (talk) 22:30, 1 November 2021 (UTC)
Launch Vehicle Stage Adapter for block 1
[edit]Article does not seem to mention the Launch Vehicle Stage Adapter for block 1. Seems Teledyne Brown Engineering are building it/them [3] "The LVSA provides the physical interface between the SLS Core Stage and the Interim Cryogenic Propulsion Stage (ICPS). It also serves as the critical separation system used to separate the Core Stage of the rocket from ICPS. The cone-shaped adapter is roughly thirty feet in diameter by thirty feet tall and consists of sixteen Aluminum-Lithium 2195 alloy panels." [4] Looks like First one cost $60 M, next two were $85 M for the pair. - Rod57 (talk) 22:34, 25 August 2022 (UTC)
- Added a brief subsection (based on above) after Upper stage subsection. - Rod57 (talk) 23:22, 1 April 2023 (UTC)
Interstage for Block 1B - to support EUS.
[edit]What is mass of the long Interstage ? Who is building them ? Is it part of EUS development/contract or a separate contract ? - Rod57 (talk) 11:58, 30 June 2024 (UTC)
Number of stages
[edit]Isn't it supposed to have 2.5 stages, like the space shuttle? I think the boosters should count as half a stage. Cocobb8 (talk) 12:48, 2 May 2023 (UTC)
Still in development?
[edit]Is the SLS still in development? One mission has already launched, so isn't the launch system considered as "active" now? Cocobb8 (talk) 18:31, 3 May 2023 (UTC)
- I changed it anyways Cocobb8 (talk) 18:58, 19 May 2023 (UTC)
- We should have a NASA source for status change from development/test to operational. - Rod57 (talk) 11:59, 30 June 2024 (UTC)
Incorrect empty mass of core stage...
[edit]The Artemis 1 reference guide says the following on page 22:
Weight 2.4 million lb (1,088 t) fueled without engines and 188,000 lb (85.3 t) unfueled without engines
It also says the engines are considered to be 3.5 tons each.
At the least, if you go with the 3177 kg mass from the RS-25 article, that would put the empty mass at 95.0 tons. If you go with the 3.5 ton figure - which might include other structure required to install the engine - that would bump it up to 95.8 tons.
I would also argue that the mass of the launch vehicle stage adapter (another 4.5 tons) should be added to that mass. 73.140.138.202 (talk) 21:22, 27 September 2023 (UTC)
- On that last point, LVSA is not part of the core stage (it is specific to the Block 1 cfg). Block 1b has Interstage instead. - Rod57 (talk) 19:36, 30 June 2024 (UTC)
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