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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 5,501-5,550 of 6,967 matching tweets
Apr 16, 2020

@thesheetztweetz @SciGuySpace @Some1gee Last I checked, over a million dollars less. Moreover, F9 is launching far more often & is only rocket fully NASA-approved for launching astronauts, so that gap is increasing.

1.5K likes64 RT38 replies
Aug 7, 2020

@tobyliiiiiiiiii @Erdayastronaut @queue_max @NASASpaceflight Haha, good catch. Booster will have fixed legs that add ~2m in height.

1.5K likes60 RT38 replies
Mar 7, 2026

RT @XFreeze: The reason why Elon Musk started working on reusable rockets "I started reading quite a bit about rockets to try and understa…

0 likes822 RT0 replies
Mar 21, 2026

RT @XFreeze: Walter Isaacson explains exactly how Elon Musk uses first principles thinking to build rockets: When young Elon wanted to sen…

0 likes820 RT0 replies
Oct 21, 2024

@peterrhague @blueorigin Only reusable rockets will be competitive in the future

1.3K likes65 RT63 replies
Apr 16, 2020

@Erdayastronaut @BnOrdhaug @sivanithu @tobyliiiiiiiiii @cabral_psyd @imatsb @thesheetztweetz @SciGuySpace @Some1gee @RocketLab @Peter_J_Beck Sure

1.5K likes29 RT67 replies
Dec 30, 2011

Not that this really matters. All current rocket tech, including ours, sucks. Only when it becomes fully reusable, will it not suck.

1.2K likes176 RT27 replies
May 25, 2024

@elon_docs There is a reason it hasn’t been solved, despite countries/companies pouring about a trillion dollars cumulatively into rocket development over 80 years

1.1K likes83 RT122 replies
Oct 18, 2014

Infrared video of Falcon rocket reentry captured by @NASA tracking cameras http://t.co/GQLCFLlrUC http://m.youtube.com/watch?v=_UFjK_CFKgA&feature=youtu.be

592 likes475 RT59 replies
Aug 7, 2025

RT @booster_10: I don't think people who got into spaceflight after this happened will ever understand just how big of a deal it was. Seein…

0 likes798 RT0 replies
Nov 14, 2024

@astupple Rockets don’t get to orbit unless you correct a *lot* of mistakes

1.2K likes80 RT56 replies
Sep 23, 2025

RT @amXFreeze: Grok Code usage has skyrocketed to 2T tokens in less than a month, while the runner-up barely hits 350B Grok Code is still…

0 likes786 RT0 replies
Sep 29, 2013

Between this flight & Grasshopper tests, I think we now have all the pieces of the puzzle to bring the rocket back home.

405 likes519 RT119 replies
May 10, 2024

@lrocket Piece of cake anyone can do it lol

1.2K likes46 RT61 replies
Apr 19, 2014

Flight computers continued transmitting for 8 seconds after reaching the water. Stopped when booster went horizontal.

526 likes425 RT111 replies
Apr 30, 2016

@elonmusk Max performance numbers are for expendable launches. Subtract 30% to 40% for reusable booster payload.

920 likes252 RT61 replies
Aug 10, 2025

RT @cb_doge: 𝕏 - #1 News App Free 𝕏 - #1 News App Grossing Grok - #2 Productivity App Grok - #6 Overall Downloads are skyrocketing for G…

0 likes737 RT0 replies
Apr 18, 2014

This is 1st ever orbital rocket launch w landing legs. Will attempt leg deploy & soft landing out to sea.

520 likes441 RT71 replies
Apr 19, 2019

@Erdayastronaut @DJSnM @torybruno @lrocket Common shaft only works if optimal rpm is similar for fuel & oxidizer

1.4K likes32 RT48 replies
Nov 29, 2018

@rocketisfine @racchava @gwestr We tried. Nintendo won’t license it to us.

1.1K likes97 RT123 replies
Nov 22, 2024

@amuse For a planet colonizer class rocket, it certainly does

1.0K likes58 RT79 replies
Mar 17, 2019

@Erdayastronaut @flcnhvy @austinbarnard45 You can deep throttle on single shaft system by choking flow of fuel or oxygen between pump & combustion chamber. Problem is more with the tiny rocket engine that powers the pump, called a gas generator. That has to throttle *way* deeper than the main chamber.

1.3K likes50 RT48 replies
Jun 3, 2023

@Teknium1 Pretty good, apart from the rocket stuff

802 likes48 RT93 replies
Sep 18, 2021

@oza_shiv @lrocket Throw in some hydrogen & lithium for a real party

1.3K likes40 RT81 replies
Mar 7, 2026

RT @XFreeze: The reason why Elon Musk started working on reusable rockets "I started reading quite a bit about rockets to try and understa…

0 likes707 RT0 replies
Feb 8, 2019

@Erdayastronaut @LytovchenkoSerg @John_Gardi Booster center of mass is much lower & more consistent (no payload mass to consider), so still biases towards engine first entry

1.3K likes45 RT36 replies
Apr 5, 2020

@Erdayastronaut @PPathole @austinbarnard45 @LabPadre Rockets & spacecraft have to operate in vacuum, so maintaining pressure is fundamental. However, this can be made very safe over time imo.

1.3K likes47 RT45 replies
Nov 14, 2013

SuperDraco rocket engine fired at full thrust w a printed Inconel chamber. Used for Dragon escape & landing http://t.co/HjWEayLlBN

453 likes420 RT81 replies
Jun 25, 2019

@marialauraadr @_TomCross_ Waiting for Falcon Heavy to launch means high cortisol levels. This is our toughest rocket launch ever.

1.2K likes45 RT87 replies
Apr 16, 2020

@nextspaceflight @Erdayastronaut @sivanithu @tobyliiiiiiiiii @cabral_psyd @imatsb @thesheetztweetz @SciGuySpace @Some1gee @RocketLab @Peter_J_Beck SN4 won’t get flaps, so can only do flights with engine on. Just did a reset this week on flap, actuator & static aero design. Either SN5 or SN6 will get flaps.

1.1K likes91 RT49 replies
Jul 25, 2019

@Erdayastronaut @goathobbit Thin tiles on windward side of ship & nothing on leeward or anywhere on booster looks like lightest option

1.2K likes39 RT55 replies
Dec 10, 2025

RT @BoosterTribe: Awesome sunrise reflection at Starfactory https://t.co/XCwTkXdBRC

0 likes669 RT0 replies
Dec 22, 2018

@Erdayastronaut @NASASpaceflight @_Synders @John_Gardi @martinengwicht @JeromeJaccard @Robotbeat @alan1bernard You def don’t want electric pumps on a rocket engine! Raptor turbopumps alone need 100,000 horsepower per engine. That’s not a typo.

1.1K likes70 RT42 replies
Jan 3, 2024

@SciGuySpace @DrPhiltill @lrocket True

855 likes36 RT107 replies
Jun 10, 2018

@FredericLambert In early 90s, I wrote a multitasker for PCs that spoofed the CPU & CD-ROM to act in parallel, so could read video continuously while player sprite moved smoothly. Required C++, assembly & direct flipping of CPU registers. That company’s name was Rocket Science. Fate loves irony.

1.1K likes83 RT50 replies
Nov 25, 2024

@lrocket Wow, you have a grandson! That’s cool.

968 likes39 RT60 replies
Nov 10, 2019

@SciGuySpace @yokem55 @waynehale Without a fully & rapidly reusable orbital rocket, humanity will never be a multiplanet species

1.1K likes85 RT65 replies
Feb 12, 2018

@DJSnM @doug_ellison @dsfpspacefl1ght Under consideration. We’ve already stretched the upper stage once. Easiest part of the rocket to change. Fairing 2, flying soon, also has a slightly larger diameter. Could make fairing much longer if need be & will if BFR takes longer than expected.

1.1K likes79 RT55 replies
Apr 16, 2019

@theRedding @Erdayastronaut Rockets are not yet safe enough to fly over land

1.1K likes28 RT52 replies
Apr 16, 2020

@Erdayastronaut @thesheetztweetz @SciGuySpace @Some1gee Sorry, meant to say only US rocket. Atlas V is close, but not yet 100%.

1.1K likes34 RT35 replies
Nov 28, 2013

We called manual abort. Better to be paranoid and wrong. Bringing rocket down to borescope engines ...

277 likes396 RT141 replies
Sep 18, 2021

@ignaciobelieres @oza_shiv @lrocket “Ignition!”

1.0K likes46 RT88 replies
Nov 22, 2014

Base is 300 ft by 100 ft, with wings that extend width to 170 ft. Will allow refuel & rocket flyback in future.

546 likes289 RT50 replies
May 13, 2025

@peterrhague Frankly, given the insane amount of power flowing through them, it’s amazing that rocket engines don’t just blow up every time!!

909 likes57 RT68 replies
Apr 18, 2014

Last known state for rocket boost stage is 360 m/s, Mach 1.1, 8.5 km altitude and roll rate close to zero (v important!)

446 likes322 RT71 replies
Apr 27, 2019

@rdstrick777 @Erdayastronaut @StevenHardison @lrocket No, just preparing for untethered hover tests

1.1K likes25 RT25 replies
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