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SpaceX’s first orbital-class Super Heavy booster rejoins Starship at the launch pad
For the second time in five weeks, SpaceX has rolled Starship’s first orbital-class Super Heavy booster from its Starbase factory to the launch pad ahead of a challenging and multifaceted test campaign.
Deemed Super Heavy Booster 4 or B4, the 69m (~225 ft) tall rocket first rolled to the launch pad around August 3rd after SpaceX technicians fitted it with 29 Raptor engines in a single night. Followed by orbital-class Starship prototype S20 a few days later, the two stages of a Starship were stacked to their full height on August 6th, briefly creating the largest rocket ever assembled. Ship 20 was then quickly returned to the build site, where SpaceX workers completed an additional ~10 days of finishing touches – mainly focused on avionics wiring and secondary plumbing.
A week later, Booster 4 followed Ship 20 back to Starbase’s ‘high bay,’ where teams ultimately removed all 29 of its Raptor engines and spent the next four or so weeks performing similar final integration work. Now, after installing what looks like hundreds of feet of wiring, dozens of additional gas and fluid lines, compressed gas tanks, hydraulic ‘sleds’ SpaceX’s first flightworthy Super Heavy has once again returned to the launch site
A bit less than two weeks ago, SpaceX once again installed 29 Raptors on Booster 4. This time around, though, all of those engines are believed to be ready for flight – or, at minimum, static fire testing – after completing qualification testing at SpaceX’s Central Texas development facilities. Intriguingly, every one of Super Heavy’s outer ring of 20 ‘Raptor Boost’ engines is also expected to have its own small umbilical panel that will connect to the orbital launch pad’s ground systems.
When Booster 4 was installed on the brand new orbital launch mount, most of those individual engine connectors had yet to be installed and it’s unclear if SpaceX was actually able to test the complex mechanisms before Super Heavy returned to the build site. This time, all 20 engine umbilical actuators have been installed on the launch mount and it’s safe to assume that those mechanisms will be tested extensively in the coming weeks.
That testing will be part of a much more involved test campaign. Namely, if SpaceX intends to test Super Heavy Booster 4 at the orbital launch site, any booster testing will simultaneously require the shakedown of the orbital pad’s extensive, custom-built tank farm and a wide range of other ground infrastructure that simply didn’t exist at the start of 2021. Booster 4 qualification is no less daunting, as no Super Heavy has ever been fully tested. Now in the midst of being scrapped in place at SpaceX’s suborbital test facilities, Super Heavy Booster 3 did complete a partial cryogenic proof test and a static fire with three Raptor engines, but SpaceX has never fully filled a Super Heavy with >3000 tons (~6.6M lb) of propellant and never static fired more than three Raptor engines simultaneously.
Perhaps the most uncertain part of Super Heavy Booster 4 qualification is its static fire test campaign. However SpaceX gets there, the final challenge will likely be igniting all 29 of B4’s Raptor engines – potentially producing up to ~5400 tons (11.9M lbf) of thrust, thus making Super Heavy the most powerful rocket booster ever tested.
Simultaneously, SpaceX also began reinstalling Raptors on Ship 20 – currently installed at Suborbital Pad B – ahead of the Starship’s first proof test(s) and static fire(s). Stay tuned for updates on SpaceX’s plans for testing the first orbital-class Starship and Super Heavy booster.
News
Tesla Cybercab sighting highlights big change since 2024 unveiling
Based on an image recently taken of the vehicle, it appears that Tesla has made the Cybercab’s cabin easier to get in and out of.
A recent sighting of the Tesla Cybercab in the wild has teased a pretty interesting update that has been implemented on the autonomous two-seater.
Based on an image recently taken of the vehicle, it appears that Tesla has made the Cybercab’s cabin easier to get in and out of.
Recent Cybercab sightings
As per recent posts on social media, it appears Tesla has started testing the Cybercab on public roads. Images posted by Tesla community members in Palo Alto showed a Cybercab prototype being driven near the company’s engineering headquarters. Interestingly enough, the vehicle was equipped with a steering wheel.
It’s not just the Cybercab’s steering wheel that caught a lot of attention, however. Based on observations by EV watchers online, it appears that Tesla has also made the Cybercab’s door a bit larger. This should make it easier for passengers to get into and out of the autonomous two-seater. The position of the camera in the B-pillar also appears to have been adjusted slightly.
All-in on autonomy
While Cybercab prototypes that are seen in the wild today are fitted with a steering wheel, the vehicle will be produced strictly as an autonomous Robotaxi. This was highlighted by Elon Musk during the third-quarter earnings call. Musk also expects about 2 million Cybercabs to be produced every year, making it the company’s highest-volume vehicle.
“The single biggest expansion in production will be the Cybercab, which starts production in Q2 next year. That’s really a vehicle that’s optimized for full autonomy. It, in fact, does not have a steering wheel or pedals and is really an enduring optimization on minimizing cost per mile for fully considered cost per mile of operation,” Musk said during the Q3 2025 earnings call.
News
Tesla Robotaxi test units spotted in new region ahead of launch
These validation units are used to gain additional data for Tesla’s internal use, or even potentially for regulatory purposes that the company can share with agencies that will eventually grant a license to operate Robotaxi in the state.
Tesla Robotaxi test units are being spotted in various new regions ahead of their launch in new states. Tesla is aiming to launch in at least a few new states in the coming months as it is ramping up hiring for the Robotaxi program and aiming to expand its ride-hailing service.
Already active in Austin, Texas, and the California Bay Area, Tesla is looking to expand its Robotaxi operations to new states. It’s had its eyes set on Nevada, Florida, and Arizona, which have seemed to have the most movement of the three prospects over the past month or so.
That trend is continuing.
Earlier this month, we reported on two Robotaxi units spotted testing with LiDAR rigs for ground truth validation in Gilbert, Arizona. Noted Cybertruck owner and enthusiast Greggertruck spotted the two units traveling on a highway.
Now, those same two units, or at least they appear to be, were spotted in Scottsdale, which is also a suburb of Phoenix, like Gilbert is, with the same LiDAR rigs:
Real world AI coming to Scottdale! Tesla robotaxi spotted beginning testing! @SawyerMerritt @elonmusk @CuriousPejjy pic.twitter.com/D2eUmQsiao
— MpWraps (@MWraps30584) October 29, 2025
These validation units are used to gain additional data for Tesla’s internal use, or even potentially for regulatory purposes that the company can share with agencies that will eventually grant a license to operate Robotaxi in the state.
Tesla is not a company that utilizes LiDAR for its everyday self-driving efforts, as it has utilized only cameras for the past several years.
Tesla Vision, as the company calls it, is what CEO Elon Musk feels is needed to achieve a fully autonomous network of vehicles, which will eventually need zero supervision for passenger transportation.
LiDAR is utilized by other companies, like Waymo, but Tesla has maintained that it is not necessary for several years. Musk has called it a “crutch” for achieving the proper self-driving tech, and the company only uses it for an additional bit of data.
Tesla has been operating its Robotaxi service in Austin since late June, and it has expanded its service area in the city to nearly 300 square miles, with its most recent expansion occurring earlier this week.
Elon Musk
Tesla’s popular side business is going to get bigger, Elon Musk says
It took several years to get the Diner developed, built, and opened. On July 21, Tesla launched the Diner to the public at 4:20 p.m. local time (of course), after years of development. Musk first offered the idea of a drive-in Supercharger Diner back in December 2018.
Tesla will open two new Diner locations in the United States after its first location in Los Angeles has been a raging success, as it is constantly packed and serving food for 24 hours a day, every day.
Tesla CEO Elon Musk said that the initial Diner location on Santa Monica Boulevard is “going well,” and based on reviews and its constant out-the-door lines, it is safe to say it has been a major outlet of interest for people in the area.
It features two massive movie screens, a menu that is locally sourced and has been created by a world-class chef, and Supercharging for EVs. It truly is the perfect stop for those who are hungry, need entertainment, or need a quick charge.
Credit: Tesla
So far, Tesla has not released too many details on the success of the restaurant, but it did state in a graphic for its Q3 Supercharging stats that it sold roughly 50,000 burgers at the Diner in Q3, roughly 715 each day. Burgers are not the only thing on the menu, either.
With how well it has gone, Musk is now considering the possibility of new locations that are notable to Tesla, including Austin and Palo Alto.
On Friday, Musk revealed he believes it “probably makes sense to open one” near Gigafactory Texas and Engineering HQ in Palo Alto:”
The futuristic Tesla Diner is going well. Probably makes sense to open one near our Giga Texas HQ in Austin and engineering HQ in Palo Alto. 😋 https://t.co/l0DUtR8CFg
— Elon Musk (@elonmusk) October 31, 2025
It took several years to get the Diner developed, built, and opened. On July 21, Tesla launched the Diner to the public at 4:20 p.m. local time (of course), after years of development. Musk first offered the idea of a drive-in Supercharger Diner back in December 2018.
By 2023, Tesla had secured building permits and broken ground on the site in September of that year.
Since its launch, it has been a popular hotspot for Tesla fans and others to visit, although it has attracted unwanted attention from protestors as well.
Cringey protestors are outside the Tesla Diner in Los Angeles singing “Elon Musk has got to go”
These people are absolutely nuts pic.twitter.com/LZ0U6rpMIn
— TESLARATI (@Teslarati) October 27, 2025
They look hungry. If they walked inside and ordered some food, maybe they’d stop yelling into microphones and threatening Musk.
Tesla Cybercab sighting highlights big change since 2024 unveiling
Tesla Robotaxi test units spotted in new region ahead of launch
Tesla’s popular side business is going to get bigger, Elon Musk says
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