Aerospace Engineering at UFSC 🚀Libertarian 🐍 Violinist sometimes 🎻 Propulsion Manager at @kosmosrocketry 🚀
Brazil
Joined April 2020
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Sandro retweeted
Greece becomes the 14th nation and the 7th European country to select the KC-390 Millennium to reinforce operational capabilities and interoperability with NATO and allied forces. Watch to discover why nations are selecting KC-390, standard setter in its segment. @HAFspokesperson
Sandro retweeted
E-2 has achieved steady expander cycle mode.
In this test video, 30 seconds of expander cycle mode are demonstrated on the tail end of an 80-second test fire that began in Ox-Rich Staged Combustion (ORSC) mode. In expander mode, thrust was reduced from 23,000 lbf to 6,500 lbf, corresponding to a 28% throttle setting.
To our knowledge E-2 is the first kerolox rocket engine to demonstrate a transition from ORSC to expander cycle operation on the same hardware during a test fire, thanks to our LOX cooled combustion chamber. This low throttle capability could be useful for landing burns by reducing thrust to weight ratio and providing greater flexibility to correct deviations from the planned landing trajectory.
Sandro retweeted
Finally, here's the rundown on how we built Growler, KegRocket's Engine
youtube.com/watch?v=QeVenkgz…
Sandro retweeted
Happy Hot Fire Halloween! 🔥 Stay safe out there, guys & ghouls. 🧛👻🎃
ALT Zenith engine hotfire at Moses Lake test site
Sandro retweeted
@SpaceX Super Heavy Booster 22 static fire. 🔊 🚀🇺🇸
Sandro retweeted
Starship Flight 15: Booster 22 Static Fire!
youtube.com/live/BlyqwOjCJzA
Sandro retweeted
Explosion of the turbopump of engine № 8 of the N-1 № 5L 0.22 seconds before launch during the second flight test.
The detonation was so powerful that it tore out part of the tail section, damaged engines № 7 and 9, and also the cable network
Sandro retweeted
Hoooooly shittttt SpaceX’s AI segment is now making profit also they made $2.3 billion dollars in profit off Starlink over the last 3 months
Our Q3 2026 earnings report is now public → ir.spacex.com/files/content_…
The live webcast with @ElonMusk, @Gwynne_Shotwell, and @BretWJ will begin in 30 minutes
Sandro retweeted
SpaceX has released a new Starship tower catch animation for the upcoming Flight 15!
Sandro retweeted
Update on the HLS provider timelines from NASA
Short Overview:
Still targeting early 2028 for Artemis 4 and late 2028 for Artemis 5.
Starship cargo lander expected in 2032 and Mk2 cargo lander in 2033.
NASA provided an image of the CONOPS for Artemis 3 which is currently targeting NET Q3 2027.
Starship uncrewed landing demo still targeting NET Q4 2027. Blue Origin uncrewed Mk2 landing demo NET Q1 2028.
Starship Milestones:
First cape flight in Q4 2026 (currently NET Dec 10th). Completed HLS "Cabin 1" in Q4 2026 (ground testing cabin). This will have operations testing in Q1 2027 and airlock demonstrations in Q2.
Prop demo in Q1 2027, first launch from LC-37 also in 2027 - I personally believe 37a will be ready in Q2 or Q3.
Tank presurizations upgraded in Q2/Q3.
The first uncrewed landing demo tanker launch in Q3 with the landing demo in Q4.
Blue Origin Milestones:
New Glenn return to flight Q4 2026. First Blue Moon Mk1 landing in Q1 2027. Second Mk1 landing in Q4 2027 with the viper rover. Third Mk1 landing in Q1 2028 with an LTV (Lunar Terrain Vehicle) for Artemis 4.
Artemis 3 crew vehicle hardware complete in Q1 2027 with launch in Q2/Q3 2027.
LC36B (9x4 Pad) complete in Q3 2027 with the first NG 9x4 launch in Q4.
Source: ntrs.nasa.gov/api/citations/…
Sandro retweeted
Post-flight analysis confirms the Artemis II Orion heat shield performed as expected during its Mach 39 reentry, protecting the spacecraft and the astronauts aboard as they returned from the 694,481-mile journey around the Moon. go.nasa.gov/4B7EWNT
ALT Two photos side-by-side showing the Artemis I Orion heat shield on the left and the Artemis II Orion heat shield on the right. Both heat shields are seen on stands and rotated for inspection. Credit: NASA
Sandro retweeted
The first Starship to return to its launch site, Ship 40's journey took it across air, space, and sea. Now that it is vertical alongside three other Starships in a Megabay at Starbase, it will provide first-of-its-kind data on a flown Starship heatshield, Raptor engines, avionics, and more.
