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Elon Musk says SpaceX making good progress on Starship’s upgraded Raptor 2 engines
As is routine, SpaceX CEO Elon Musk has taken to Twitter to offer a few details about the status of Starship, its Raptor engines, and a few upgrades planned for both.
In mid-December, Musk revealed even more ambitious plans to upgrade Starship by stretching its propellant tanks and adding another three Raptor engines, potentially boosting the ship’s maximum thrust by 50% and substantially improving payload performance. These latest details are focused on an upgraded version of the Raptor engine and on additional changes to Starship’s structural design and assembly process.
According to Musk, as SpaceX continues to ramp up ground testing of the upgraded engine variant, “Raptor 2 now operates routinely at 300 bar main chamber pressure.” For context, on February 10th, 2019, just days after SpaceX began testing the first full-scale Raptor prototype ever completed, the engine briefly reached a main combustion chamber pressure just shy of 269 bar (3900 psi). That narrowly beat records set by Russia’s RD-270 and RD-180 engines, the latter of which is used on ULA’s Atlas V.
It took 18 months before Musk revealed clear proof that at least one Raptor prototype sustained such high chamber pressures over a minute or more of steady-state operations. The same engine peaked at an impressive 330 bar (~4800 psi), briefly producing 225 tons (~500,000 lb) of thrust and soundly beating out Russia’s never flown RD-701 engine, which crested 290-300 bar in testing. Another ~18 months after that milestone, Raptor isn’t quite operational in the sense of supporting orbital-class launches but the engine isn’t far from its first and has since supported dozens of Starship static fires and seven flight tests – five of which occurred in a period of just six months.
Already, despite the fact that Raptor 1 or 1.5 engines have yet to even attempt an orbital-class launch, SpaceX has almost entirely moved on to a new and improved variant known as Raptor 2. According to Musk, all Raptor ground testing at the company’s McGregor, Texas development campus is now focused on the new hardware, which reportedly features much cleaner plumbing and wiring. The biggest change to Raptor 2, though, is an almost 25% increase in maximum nominal thrust over Raptor 1/1.5 – from around 185 to 230 tons (408,000-507,000 lbf). That’s partially enabled by widening the ‘throat’ of Raptor’s nozzle, which sacrifices a small amount of efficiency for more power density. However, Raptor 2 also contains design improvements throughout to enable sustained, reliable operation at chamber pressures up to 300 bar – 10% higher than Raptor 1.5.
On October 24th, Musk subtly live-tweeted one of the first Raptor 2 static fires, revealing that the engine reached a chamber pressure of 321 bar (~4650 psi) and briefly produced around 245 tons (~540,000 lbf) of thrust before destroying itself. Now, a little over two months later, Musk says that Raptor 2 prototypes are routinely operating at 300 bar without major issues, meaning that they can ignite and safely shut down after burning for several minutes at those pressures. In theory, given that 300 bar is Raptor 2’s targeted chamber pressure at max thrust, that means that the engine is now “routinely” operating at the level SpaceX wants and needs to take Starship to the next level.
It’s likely that one or several months of work remain before SpaceX can begin qualifying the first Raptor 2 engines (or, more importantly, hypothetical Raptor 2 Vacuum or Boost variants) for the first Starship or Super Heavy prototypes designed for the new engine. Nonetheless, the rapid progress SpaceX has made in the first few months of Raptor 2 testing is extremely encouraging.
Elon Musk
Tesla to launch in India in July with vehicles already arriving: report
Tesla is finally making serious moves toward launching in India, with showrooms opening in July, a report claims.

Tesla is finally bringing its business to India, a new report indicates, as the company is already shipping vehicles from China to the market where it has attempted to launch business for several years.
We first heard of Tesla planning to launch in India about a decade ago when CEO Elon Musk and Indian Prime Minister Narendra Modi met in California at the Fremont Factory in 2015.
Over the years, the two have hinted that the automaker would eventually land in India, but issues with import duties have delayed Tesla’s attempts.
Now, there seems to be some serious movement in Tesla’s plans, as it has reportedly shipped the first batch of vehicles from China to India, according to Bloomberg. The outlet says these are Model Y Rear-Wheel-Drive configurations.
Tesla is also planning for other parts of the launch, like preparing for Supercharging, aftermarket parts and merchandise purchasing for vehicle owners and fans, and spare parts from various regions, including the United States, China, and the Netherlands.
The company and the Indian government must have come to some sort of agreement that was catalyzed by Musk and Modi’s meeting in February in the U.S.
It is a long time coming, and it now gives Tesla access to an incredibly vast market in India, where a very small percentage of 2024’s total automotive sales were comprised of electric vehicles.
Another interesting tidbit about the launch is that the vehicles will be coming from Gigafactory Shanghai and not Gigafactory Berlin as previously thought. Reports from other publications, like Reuters, indicated the German production facility was building vehicles for India early last year.
India has a very strict policy that favors domestic manufacturing, which is why the import duties were so high for foreign automakers looking to bring their product into the market. These duties were reduced from 110 percent to just 15 percent, as long as companies aim to invest in India and meet certain investment and sales targets.
News
SpaceX and Elon Musk share insights on Starship Ship 36’s RUD
Starship Ship 36 experienced a Rapid Unscheduled Disassembly during a static fire attempt.

Elon Musk and SpaceX provided an explanation for the Rapid Unscheduled Disassembly (RUD) of Starship Ship 36 on Wednesday. As per Musk, preliminary data suggests that a nitrogen composite overwrapped pressure vessel (COPV) in the vehicle’s payload bay failed below its proof pressure.
On Wednesday evening, Ship 36 experienced a RUD during a static fire attempt. Videos of the incident that were shared online showed Starship Ship 36 exploding into a massive fireball at its launchpad in Starbase, Texas. Images taken in the aftermath of the explosion showed significant damage to the plumbing in the area. The site’s pad structure was also destroyed.
Elon Musk shared some information immediately after the incident. In a response to a post from space enthusiast @Erdayastronaut, Musk stated that “Preliminary data suggests that a nitrogen COPV in the payload bay failed below its proof pressure.”
Musk also noted that, “If further investigation confirms that this is what happened, it is the first time ever for this design.”
SpaceX provided more insight into the incident in a post on its official website.
“After completing a single-engine static fire earlier this week, the vehicle was in the process of loading cryogenic propellant for a six-engine static fire when a sudden energetic event resulted in the complete loss of Starship and damage to the immediate area surrounding the stand.
“The explosion ignited several fires at the test site, which remains clear of personnel and will be assessed once it has been determined to be safe to approach. Individuals should not attempt to approach the area while safing operations continue,” SpaceX wrote in its post.
SpaceX highlighted that despite Starship Ship 36’s RUD, the incident will not result in any hazards to the surrounding communities in the Rio Grande Valley. And in a post on X, SpaceX also confirmed that everyone in the Starship team was safe and accounted for after Ship 36’s explosion.
While Ship 36’s RUD is a speed bump for the Starship program, SpaceX is a company that is known to grow stronger with every adversity. Thus, it would not be surprising if SpaceX implemented numerous improvements to Starship after this incident–improvements that would make the vehicle more reliable and safer than before.
News
Tesla has started rolling out initial round of Robotaxi invites
Tesla is putting safety above all in its initial Robotaxi rollout.

Tesla has started rolling out an initial round of invites for its upcoming Robotaxi service in Austin, Texas.
Screenshots shared by several Tesla community members who received the invites provided a quick overview of the autonomous ride-hailing service.
As noted in a techAU report, the initial round of Robotaxi service invites has gone to longtime Tesla owners and active members of the EV community. These include owners such as @SawyerMerritt, @BLKMDL3, @WholeMarsBlog, @ItsKimJava, and @HerbertOng, all of whom shared screenshots of the invitation that Tesla has sent about the upcoming service.
You’re Invited to Early Access of Tesla Robotaxi!
The Future is Now! You’re invited to Early Access of Tesla’s Robotaxi service in Austin, TX!
As an Early Access rider, you can be among the first to use our new Robotaxi App and experience an autonomous ride within our geofenced area in Austin. Through this exclusive preview, you’ll have the opportunity to provide valuable feedback on our Robotaxi service.
Based on Tesla’s message, it appears that participation in the service would be strictly invite-only for now. Participants must also download Tesla’s dedicated Robotaxi App to hail a ride. Rides can also be requested and initiated to and from any location within a geofenced area of Austin.
The robotaxi service will be available from 6:00 AM to 12:00 AM, seven days a week, though these hours may change depending on factors such as inclement weather. Interestingly enough, Tesla is inviting the first participants of the Robotaxi program to share photos and videos of their experience with the service.
While the vehicles themselves are autonomous and would operate without human input, the Robotaxis would still be accompanied by a Tesla staff member to monitor the vehicle. This strategy suggests that Tesla is really putting safety above all in its initial Robotaxi rollout.
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