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Elon Musk · Tweet Archive

The tweet archive.

15 years of Elon, fully searchable. The production archive uses Supabase as the source of truth, with 94,952 indexed tweets available in development as a full-archive fallback and a curated annotation layer for context, theory, and how major claims aged.

Browsing the full local archive fallback (94,952 indexed tweets).
Showing 3,351-3,400 of 6,967 matching tweets
Jan 31, 2021

@Erdayastronaut @TJ_Cooney @lrocket @SpaceX @FelixSchlang @MarcusHouseGame He became a big fan of methane, but was not pushing it initially. That came from me reading about Soviet methane engine tests that got over 380 Isp. At that Isp, a subcooled methane stage gets slightly better delta-V than a hydrogen stage.

4.6K likes151 RT168 replies
Aug 14, 2021

@SPEXcast @TrungTPhan Starship will be crushingly cost-effective for Earth orbit or moon missions as soon as it’s operational & rapid reuse is happening. Mars is a lot harder, because Earth & Mars only align every 26 months, so ship reuse is limited to ~dozen times over 25 to 30 year life of ship.

4.2K likes308 RT265 replies
Apr 5, 2026

RT @SoveyX: SpaceX now has over 10,000 Starlink satellites in orbit, which is honestly an absurd engineering achievement. And no, they are…

0 likes2.5K RT0 replies
Apr 3, 2025

@rustyrockets What are you talking about? Nothing has changed.

3.7K likes314 RT365 replies
Jan 16, 2016

Conducted hold-down firing of returned Falcon rocket. Data looks good overall, but engine 9 showed thrust fluctuations.

3.1K likes930 RT142 replies
Aug 13, 2020

@TimFernholz Efficiently reusable rockets are all that matter for making life multiplanetary & “space power”. Because their rockets are not reusable, it will become obvious over time that ULA is a complete waste of taxpayer money.

4.2K likes338 RT221 replies
Jul 1, 2021

@AngelNDevil2 @torybruno What is not well understood is that ULA *still* has a monopoly carve-out for US government launches for which SpaceX is not allowed to compete, costing the taxpayer twice as much per launch than it should. This is obviously not real competition.

4.0K likes365 RT349 replies
Sep 22, 2023

@iamtomnash The Fox anchor is talking utter nonsense. I challenged Putin to a physical fight over Ukraine and SpaceX and provided massive support to Ukraine, as the Ukrainian government has repeatedly acknowledged.

2.6K likes229 RT261 replies
Jul 30, 2021

@WholeMarsBlog Normally, competitive pressure would force Apple to lower fees, but Apple & Android have a duopoly on phones. When interface familiarity is taken into account, it’s basically a monopoly. The effective 30% sales tax Apple charges is hidden from users or there would be an outcry.

4.0K likes342 RT326 replies
May 12, 2025

RT @johnkrausphotos: OTD 7 years ago: The debut of Falcon 9 Block 5, which has since become the workhorse launch vehicle of the modern era,…

0 likes2.5K RT0 replies
Aug 10, 2024

@WholeMarsBlog Team is working on it. This will be a different release number.

2.2K likes129 RT213 replies
Mar 31, 2026

@DimaZeniuk Slightly different variants of stainless alloys are used in the rocket and truck, but pretty close overall

3.8K likes229 RT260 replies
Apr 26, 2024

@WholeMarsBlog Vast majority of people have no idea this works

3.1K likes223 RT374 replies
Jul 7, 2022

@WholeMarsBlog Also, being ruggedized for relentless salt spray & extreme winds & storms in deep ocean is not easy

4.4K likes196 RT209 replies
Jul 19, 2025

RT @teslaownersSV: Starship will make us multi planetary https://t.co/lFxQuHLWjV

0 likes2.5K RT0 replies
Feb 4, 2021

@ajtourville @Erdayastronaut @SpaceX Yes, but engines have a min throttle point where there is flameout risk, so landing on 3 engines means high thrust/weight (further away from hover point), which is also risky

4.6K likes115 RT160 replies
Nov 20, 2019

@Erdayastronaut @SpaceX Absolutely, but to move to Mk3 design. This had some value as a manufacturing pathfinder, but flight design is quite different.

4.3K likes242 RT231 replies
Sep 1, 2021

@Kristennetten @StianWalgermo @Tesla @ARKInvest @WholeMarsBlog @alex_avoigt @Teslarati @TeslaPodcast @mortenlund89 I was in the Berlin paint shop talking to the team on my last visit. It’s gonna be great! But bear in mind that it takes about a year for a new factory to reach volume production. Production is super hard work, which is why I have great respect for those who do it.

4.2K likes268 RT263 replies
Oct 13, 2024

@SawyerMerritt @SpaceX The California Coastal Commission should be dissolved as an organization. An utterly insufferable and misanthropic group of Karens if there ever was one!

3.6K likes392 RT197 replies
Nov 2, 2025

@rmcentush Starship could deliver 100GW/year to high Earth orbit within 4 to 5 years if we can solve the other parts of the equation. 100TW/year is possible from a lunar base producing solar-powered AI satellites locally and accelerating them to escape velocity with a mass driver.

2.5K likes225 RT170 replies
Feb 5, 2021

@Erdayastronaut @josh_bickett @ajtourville @SpaceX Intuitively, it would seem so, but turbopump-fed Raptors have much higher thrust & propellant mass fraction than pressure-fed gas thrusters & they’re already there

4.6K likes139 RT152 replies
Apr 17, 2020

@Teslarati Pretty much, although we also sent some Medtronic units, which are meant for extreme situations. Those require a lot of work to set up & operate. Should be used sparingly. SpaceX is making the valve at the heart of that system.

4.4K likes238 RT148 replies
Dec 10, 2025

@DrPhiltill @adamholtwrites SpaceX has way more satellites in orbit than the rest of the world combined, so maybe we know a thing or two about the subject 🤣 Starlink V3 will be 20kW and launched at scale around Q4 next year. No problem to scale that to >100kW if the satellite mass is shifted towards solar… https://t.co/6wPLn97Vff https://x.com/i/web/status/1998872465087541752

3.2K likes355 RT126 replies
Jul 18, 2016

Really tempting to redesign upper stage for return too (Falcon Heavy has enough power), but prob best to stay focused on the Mars rocket

3.4K likes627 RT357 replies
Nov 18, 2021

@mterrace @Investor421 @WholeMarsBlog @28delayslater Is this real?

3.9K likes257 RT587 replies
Jul 15, 2022

@Erdayastronaut @SpaceX @Caspar_Stanley @IzanRamos2002 All mass necessitated by an engine design should count as engine mass, eg shrouds, TVC hydraulic power or excess purge gas. Raptors in production now have electric TVC, saving over a ton of hydraulics mass on booster.

4.4K likes225 RT133 replies
Dec 30, 2020

@flcnhvy @ErcXspace Saves mass & cost of legs & enables immediate repositioning of booster on to launch mount — ready to refly in under an hour

4.4K likes188 RT165 replies
Oct 8, 2020

@TashaARK Additive manufacturing of parts is still far too costly for cars, but can rapidly create tooling to accelerate pace of innovation. It’s already sensible for rocket engine parts. To the best of our knowledge, SpaceX is 2 or 3 years ahead of other companies in use of additive.

4.3K likes264 RT165 replies
Apr 28, 2026

RT @SawyerMerritt: The California Coastal Commission has issued a formal apology to @elonmusk and SpaceX, adding that it will not consider…

0 likes2.5K RT0 replies
Feb 10, 2019

@rocketisfine @leo190102 I was simply too sexy for it https://t.co/vugJLyZVjI https://m.youtube.com/watch?v=P5mtclwloEQ

4.5K likes152 RT113 replies
Jul 8, 2021

@WholeMarsBlog I can sometimes be optimistic about schedules

4.0K likes237 RT495 replies
Feb 20, 2025

RT @SpaceX: Falcon 9 aboard the Just Read the Instructions droneship after successfully completing our first international landing off the…

0 likes2.5K RT0 replies
Nov 6, 2025

@sundarpichai Thanks :) SpaceX team is incredible. All done without AI so far, even Starship. With AI, I can’t even imagine the possibilities.

3.5K likes190 RT138 replies
Aug 25, 2023

@mayemusk @SpaceX @POTUS @CivilRights Exactly. It’s insane.

3.7K likes230 RT265 replies
Jan 28, 2021

@DMC_Ryan New Roadster is part rocket

4.3K likes246 RT140 replies
Dec 17, 2024

@SmallPettingZoo @Starlink You can definitely game on Mars, but speed of light means no real-time gaming between Earth and Mars. Distance varies from ~4 to ~20 light-minutes.

3.4K likes130 RT414 replies
Apr 28, 2021

@RationalEtienne @Erdayastronaut @Twisi80 Starship is literally more pointy because of that movie haha

4.3K likes208 RT173 replies
Jan 18, 2017

Falcon before launch https://t.co/QqxvtBijoF https://www.instagram.com/p/BPZeLbtAzOW/

3.4K likes681 RT161 replies
Sep 22, 2024

@ajtourville The main reason for coming in belly first is due to the subsonic orientation being a natural outcome of the center of mass and center of pressure being where they are needed for Starship to survive hypersonic heating by maintaining a ~70 degree angle of attack. Can’t come in…

3.6K likes248 RT244 replies
Mar 30, 2025

RT @SpaceX: The Fram2 @framonauts and SpaceX completed a full rehearsal of launch day activities ahead of liftoff on Monday https://t.co/e1… null

0 likes2.5K RT0 replies
Apr 8, 2021

@dogeofficialceo @WatchersTank @SpaceX Looking at pups soon!

3.7K likes397 RT413 replies
Jan 31, 2024

@SawyerMerritt Starlink team is working hard to ensure an amazing Internet connectivity experience for Hawaiian Airlines flyers. Should be profound and feel you’re on the ground, not even in an airplane.

3.5K likes223 RT156 replies
Jan 29, 2026

RT @interesting_aIl: SpaceX successfully caught a rocket booster mid-air for the second time in history https://t.co/MnYlrprbB4

0 likes2.5K RT0 replies
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