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SpaceX fires up Starship rocket twice in 30 hours ahead of next big tests
SpaceX has successfully fired up a full-scale Starship rocket for the second time in barely 30 hours and removed the ship’s Raptor engine to perform an additional suite of “cryo testing”.
Around 7pm CDT on May 6th, SpaceX technicians began loading the fourth full-scale Starship with liquid oxygen and methane, filling up a large portion of its massive propellant tanks. Just the latest in a line of several tests involving wet dress rehearsals (WDR) completed in the days prior, this test would soon become exceptional. About an hour and a half after work began, Starship SN4’s lone Raptor engine ignited and burned for ~3 seconds, marking the first time in history a next-generation SpaceX rocket truly came alive with one of the engines designed to take it all the way to orbit.
In line with tests performed with Starhopper – a low-fidelity, subscale tested that flew twice with Raptor – last year, it would have been business as usual if SpaceX had called it a day and moved on to something else with Starship SN4. Instead, Starship performed another WDR and fired up its Raptor engine for a second time in just 30 hours after SpaceX teams inspected the rocket and cleared it for another round. It’s unknown why two back-to-back static fires were performed but, to be clear, every step Starship SN4 takes forward is a step into uncharted territory. Already, the ship’s next steps could come as soon as Friday, May 8th.
According to CEO Elon Musk, SpaceX’s second Starship SN4 static fire test was completed successfully and actually marked the operational debut of a critical aspect of the next-generation launch vehicle and spacecraft. Known as header tanks, Starship needs two smaller secondary propellant tanks to complement its main tanks, a need driven mainly by the challenges of landing such a large and mobile spacecraft. Smaller header tanks will also make it dramatically easier for SpaceX to insulate cryogenic propellant and ensure it remains liquid over long-duration cruises in space, but safe and reliable landings are a more pressing concern for these early prototypes.
During landing operations, the main benefits smaller header tanks offer are relative ease of pressurization (needed to safely feed Raptor engines) and a much lower risk of issues from sloshing, which can introduce bubbles and voids that can obliterate rocket engines if ingested. Impressively, per Musk, Starship SN4 completed its second static fire test using its internal liquid methane header tank – a sort of bubble attached to the bottom of the main methane tank dome.
Starship’s liquid oxygen header tank is situated at the tip of the conical nose section, a part that all full-scale ships have been tested without thus far. However, the use of the fuel header tank on May 7th means that Starship SN4 already has a functional, plumbed header tank installed, verifying the partial functionality of a critical part of the next-generation launch vehicle. A second static fire will have also provided SpaceX a wealth of extra data about Raptor’s performance while installed on Starship, invaluable at such an early stage of integrated testing.
Two Starship static fires now under its belt, SpaceX removed SN4’s Raptor engine around 12 hours after its second test and returned it to storage at the company’s nearby factory facilities. According to public notices provided by Cameron County, Texas officials, SpaceX’s next Starship SN4 activity is expected to occur on May 8th with backup windows on the 9th and 10th and will involve “cryo testing”.
The most obvious conclusion is that SpaceX – having completed enough static fire testing to verify Starship SN4’s performance – now wants to really put the rocket through its paces with another cryogenic test. Completed on April 26th, the ship’s first cryogenic ‘proof’ test maxed out at around 4.9 bar (70 psi), enough for low-stress hop tests but well short of the sustained pressure needed for orbital spaceflight. While testing singular propellant tanks in the first few months of 2020, Musk revealed that SpaceX was targeting a minimum of 6 bar (~90 psi) for orbital Starship flights – ~8 bar (115 psi) with a 25% safety factor.
The company actually achieved 8.4 bar with one of its Starship test tanks, the same processes of which were used to build Starship SN4, but a full-scale ship has yet to demonstrate those pressures. Now, SpaceX already has a fifth full-scale prototype (Starship SN5) likely just a week or so away from pad readiness, meaning that Starship SN4’s potential destruction during pressure testing wouldn’t have a big impact on plans for a series of imminent flight tests. If SN4 survives pressure testing, it would likely have its Raptor engine reinstalled and move on to a 150m (500 ft) hop test.
Tesla has tentatively scheduled its unveiling event for the Roadster’s next-generation iteration, and you will not believe the date the company picked for it.
Tesla CEO Elon Musk said during the 2025 Annual Shareholders Meeting that the company is aiming for an April 1 demo event.
Yes, April Fools’ Day.
🚨 Tesla’s unveiling event for the Roadster Gen 2 is scheduled for April 1, 2026.
Yes, April Fools’ Day. pic.twitter.com/sw09GUYFPV
— TESLARATI (@Teslarati) November 6, 2025
Tesla originally aimed for its “most epic demo” to take place at the end of this year. However, the writing on the wall as 2025 winds down seemed to indicate the company was not quite ready to show off everything it plans to implement into the Roadster.
Its capabilities have been teased quite heavily throughout most of the year, but the biggest hints came last week when Musk appeared on the Joe Rogan Experience Podcast.
He said:
“Whether it’s good or bad, it will be unforgettable. My friend Peter Thiel once reflected that the future was supposed to have flying cars, but we don’t have flying cars. I think if Peter wants a flying car, he should be able to buy one…I think it has a shot at being the most memorable product unveil ever. [It will be unveiled] hopefully before the end of the year. You know, we need to make sure that it works. This is some crazy technology in this car. Let’s just put it this way: if you took all the James Bond cars and combined them, it’s crazier than that.”
The Roadster has been somewhat of a letdown, at least in its newest version, thus far. Tesla has routinely delayed the project, putting those who put lofty down payments on the car in a weird limbo, lost at what to do.
One notable pre-orderer cancelled his reservation last week and got in a spat with Musk about it.
Now that there is a definitive date for the Roadster unveiling, Musk and Co. should have a more definitive cutoff date for features and capabilities. Chief Designer Franz von Holzhausen said earlier this year that when they showed Musk what they had done with the Roadster, the CEO encouraged them to do even more with it.
This delayed things further.
Musk also said he believes production would begin between 12 and 18 months after the unveiling, putting it out sometime in 2027.
Elon Musk
Tesla (TSLA) shareholders officially approve Elon Musk’s 2025 performance award
To earn his landmark pay package, Musk would be required to lift Tesla’s market capitalization from about $1.1 trillion today to $8.5 trillion over the next decade.
Tesla (NASDAQ:TSLA) CEO Elon Musk has officially approved his 2025 Performance Award, a landmark pay package that could make him the world’s first trillionaire and make Tesla the most valuable company in the world by a mile.
The 2025 CEO Performance Award was officially approved by Tesla shareholders at the 2025 Annual Shareholder Meeting.
Elon Musk‘s landmark pay package
As per Tesla, more than 75% of the shareholders approved Elon Musk’s 2025 CEO Performance Award. It was then unsurprising that the approval of Elon Musk’s pay plan received overwhelming applause from the event’s attendees.
The CEO took to the stage with much enthusiasm, welcoming every shareholder to the event and dancing briefly on stage. Optimus also danced on stage smoothly, demonstrating its improved movements to much appause.
Elon Musk’s 10-year targets
To earn his 2025 CEO Performance Award, Musk would be required to grow Tesla’s market capitalization from about $1.1 trillion today to $8.5 trillion over the next decade. At that level, Tesla would surpass every major public company in existence. The compensation plan also requires Tesla’s operating profit to grow from $17 billion last year to $400 billion annually.
Apart from leading Tesla to become the world’s biggest company in history, Musk is also required to hit several product targets for the electric vehicle maker. These include the delivery of 20 million Tesla vehicles cumulatively, 10 million active FSD subscriptions, 1 million Tesla bots delivered, and 1 million Robotaxis in operation.
The 2025 Tesla Annual Shareholder Meeting from Gigafactory Texas is set to kick off at 4 p.m. EDT, 3 p.m. CDT.
The company will be having its typical presentation for the event, where CEO Elon Musk, along with other executives will discuss things like future products, the outlook of its self-driving development, potential releases for next year, and some current events within the company.
However, this year’s Shareholder Meeting has slightly more implications than others, as Investors and Shareholders have spent the last several months petitioning and supporting one of the proposals on the docket that could be the deciding factor in Musk staying or leaving Tesla.
Elon Musk’s new pay plan ties trillionaire status to Tesla’s $8.5 trillion valuation
Proposal four outlines a new compensation package for Musk that could give him $1 trillion in shares if he is able to complete a variety of lofty goals related to production, self-driving, and other important company projects.
Musk has said that he is truly after more influence on company decisions, especially as the Tesla Optimus program is ramping up and becoming a more relevant part of the company’s story.
The CEO said during the Q3 Earnings Call that he would not feel comfortable developing an “army of robots” if he did not have a comfortable amount of influence in some of the decisions. He could be voted our or out-influenced by what he calls “activist shareholders.”
One of those investors came after his past pay package, which was approved by shareholders not once, but twice. Musk still was not able to obtain the pay because of a Delaware Chancery Court ruling.
Nevertheless, this is one of the last ditch efforts Tesla is making to get Musk the compensation that he wants.
The meeting is set to kick off at 3 p.m. local time in Austin. You can watch it via the livestream on X:
Here is the link to Tesla’s 2025 Annual Shareholder Meeting:https://t.co/29dN4gkMWY
— TESLARATI (@Teslarati) November 6, 2025
Tesla schedules Roadster unveiling event, and you won’t believe when it is
Tesla (TSLA) shareholders officially approve Elon Musk’s 2025 performance award
Tesla 2025 Annual Shareholder Meeting: How to watch
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