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SpaceX prepares Starship, Super Heavy for milestone Raptor static fire tests

Starship S20 and Super Heavy B4 are fast approaching readiness for their first crucial tests - including multiple Raptor static fires. (NASASpaceflight - bocachicagal)

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SpaceX has scheduled a full week with as many as 30 hours of road and beach closures for Starship and Super Heavy testing and is working hard to prepare the first orbital-class ship and booster for several major challenges.

First rolled to SpaceX’s Starbase orbital launch site more than six weeks ago and stacked together for the first time on August 6th, the company has spent the last month putting the finishing touches on Starship 20 (S20) and Super Heavy Booster 4 (B4) – ranging from heat shield installation to plumbing and wiring. Perhaps most importantly, SpaceX has also installed some or all of the Raptor engines that are expected to support the ship and boosters’ first static fire qualification tests.

For a number of reasons, those static fires – and a few additional tests expected to precede them – could be huge milestones for SpaceX’s Starship program.

SpaceX appears to have begun finalizing the Raptor engines that will be aboard Super Heavy for its first major static fire testing. (NASASpaceflight – bocachicagal)

Earlier this month, after rolling Starship S20 to the launch pad for the second time and installing it on one of two suborbital launch/test mounts, SpaceX began the process of installing Raptor engines (again for the second time) on the rocket. Beginning with two center sea level-optimized Raptors, SpaceX then installed a Raptor Vacuum engine on Ship 20. The implication: when S20 fires up for the first time, it might be doing so with two kinds of Raptor engines – a first for the Starship program.

Since Raptor Vacuums first began static fire testing at SpaceX’s McGregor, Texas development campus around Q4 2020, the company has yet to fire up an RVac engine on a Starship prototype. Starship’s current design features three gimballing sea-level Raptors and three vacuum-optimized variants with much larger nozzles – all in close proximity inside a 9m-wide (30 ft) skirt.

S20 had six engines installed for the first time in Starship history on August 4th. (Elon Musk)
Those engines were removed when S20 returned to the launch site late last month but have been gradually reinstalled over the last two weeks. (NASASpaceflight – bocachicagal)

As such, the first Starship static fire with any combination of Raptor Center and Raptor Vacuum engines will be a significant milestone for SpaceX. Eventually, that will likely culminate in the first static fire(s) of a Starship (likely S20) with all six Raptors installed – a test that will effectively qualify that prototype for its first orbital launch attempt.

Meanwhile, things are arguably even more complex for Super Heavy. Aside from a single three-engine static fire completed by Super Heavy Booster 3 (B3), Starship’s first stage has never come close to a full-up static fire with all 29-33 Raptor engines installed. Whenever that occurs, Super Heavy will likely become the most powerful rocket ever tested and – like with Starship – will be more or less qualified for its first flight if the test goes according to plan.

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Super Heavy B4’s first and second trips onto the orbital launch mount. (SpaceX/SPadre)

SpaceX already installed a full 29 Raptor engines on Super Heavy B4 last month. After returning to Starbase, those engines were removed and eventually reinstalled a few weeks later – albeit with a number of replacements. Now, having spent the last 11 days sitting on the orbital pad’s launch mount, SpaceX has begun to replace at least one of Booster 4’s 29 installed engines. It’s unclear why but the fact that SpaceX is replacing engines at the launch pad – instead of rolling Super Heavy back to the build site for the third time – is an encouraging sign that B4 is nearly ready for its first proof and static fire tests.

Due to all the recent activity, it’s almost impossible to tell whether Starship S20 or Super Heavy B4 will be first onto the figurative saddle for ambient pressure, cryogenic, and static fire proof testing. What is clear, though, is that SpaceX has five six-hour testing windows scheduled every day next week. Stay tuned for updates on the next steps for SpaceX’s first orbital-class ship and booster pair.

Eric Ralph is Teslarati's senior spaceflight reporter and has been covering the industry in some capacity for almost half a decade, largely spurred in 2016 by a trip to Mexico to watch Elon Musk reveal SpaceX's plans for Mars in person. Aside from spreading interest and excitement about spaceflight far and wide, his primary goal is to cover humanity's ongoing efforts to expand beyond Earth to the Moon, Mars, and elsewhere.

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Tesla FSD ruins other intelligent driving systems for NIO Superfan influencer

“Since I drove FSD, I have been disenchanted with all the ‘driving assistance’ of domestic brands,” Lee wrote.

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Tesla FSD Unsupervised Giga Texas
Credit: Tesla AI/X

Tesla Full Self-Driving (FSD) has been making waves in China, with owners pushing the system to its limits on what appears to be a regular basis. Videos of Tesla drivers in China show FSD navigating the trickiest of roads, from busy city streets to narrow, unpaved paths in rural areas.

And as per an influencer and NIO superfan, FSD is ruining other driver-assist systems from other automakers in China.

FSD Ruins It For Influencer

China-based influencer and NIO superfan Andy Lee recently shared his thoughts about FSD on social media. As per Lee, Chinese intelligent driving systems are overhyped by marketing. But once he personally experienced FSD’s capabilities, he became disillusioned with the offerings of domestic carmakers.

“Since I drove FSD, I have been disenchanted with all the ‘driving assistance’ of domestic brands. I once thought that the ‘driving assistance’ of domestic brands could beat FSD in seconds, but it seems that I was wrong. Not only did they fail to outperform FSD, they were actually crushed in reverse,” Lee wrote in his post.

FSD could very well become Tesla’s moat since even cars that are equipped with the same hardware would not be able to perform similarly unless they have access to the company’s training data and software. Tesla’s fleet is ever-growing as well, which means that FSD will only get better over the years.

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Unsupervised on the Horizon

Tesla is already using FSD Unsupervised for its vehicles that are produced in the Fremont Factory and Gigafactory Texas. As per Elon Musk during the Q1 2025 earnings call, he expects Tesla to be able to roll out FSD Unsupervised to consumers before the end of this year. He also highlighted that Tesla is being extremely careful with FSD Unsupervised’s rollout.

“Before the end of this year. Not necessarily — I say within the U.S., like we do want to test — at Tesla, we’re absolutely hardcore about safety. We go to great lengths to make the safest car in the world and have the lowest accidents per mile in. 

“So we want to be very careful. We want autonomy to be definitively safer than manual driving. So it’s not enough that it just be as safe. It needs to be meaningfully safer than if the car’s manually driven,” Musk stated.

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Tesla hints at ‘Model 2’ & next-gen EV designs

Tesla’s Q1 2025 update confirms new models this year, with production tied to existing factory lines. Could it be time for the Model 2 debut?

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(Credit: Tesla)

During its Q1 2025 earnings call, Tesla executives hinted at the much-rumored “Model 2” and other next-gen EV designs.

Tesla slightly addressed whether or not it will be pushing forward with the debut of new models later this year in its latest earnings call. The company’s product development executive, Lars Moravy, shared some details about Tesla’s design process and the upcoming affordable models.

“We’re still planning to release models this year. As with all launches, we’re working through, like, the last minute issues that pop up. We’re knocking them down one by one. At this point, I would say that the ramp might be a little slower than we had hoped initially…But there’s nothing that’s blocking us from starting production within the next, within the timeline laid out in the opening remarks.

“And I will say it’s important to emphasize that, as we’ve said all along, the full utilization of our factories is the primary goal for these new products. And so the flexibility of what we can do within the form factor and, you know, the design of it is really limited to what we can do on our existing lines rather than building new ones. But we’ve been targeting the low cost of ownership. Monthly payment is the biggest differentiator for our vehicles, and that’s why we’re focused on bringing these new models with the, you know, the lowest price, to the market, within the constraints I just highlighted.”

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In January, Tesla’s Chief Financial Officer Vaibhav Taneja teased several new product introductions for this year. There is at least one product that most Tesla supporters and investors are hoping to see: the company’s affordable vehicles, which have been dubbed by the EV community as the “Model 2” or “Model Q.”

Before Tesla’s Robotaxi event last year, many speculated that the company would also unveil its affordable next-gen vehicle. Gene Munster from Deepwater had expected Tesla to release a stripped-down version of the Model 3 as its affordable vehicle during the Robotaxi event. In the end, Tesla unveiled its Robotaxi vehicle and its Robovan design.

It’s been a while since the Robotaxi event, and Tesla has kept mum about its affordable vehicle. Considering its Q1 2025 performance, TSLA investors look forward to catalysts that could boost the stock.

The “Model 2” has been labeled a potential catalyst for Tesla. As such, TSLA investors and supporters have been itching for news about the new affordable vehicle. The main questions surrounding the “Model 2” revolve around its design and price. Based on Moravy’s statement, the “Model 2’s” design will heavily depend on Tesla’s current assembly lines and supply chain structures.

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Tesla owner-investor stands ground after receiving Nazi-themed mail, welcomes new Model Y

The Tesla investor even made it a point to purchase the brightest shade available for her new Model Y.

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Credit: Tesla

A TSLA investor has decided to stand her ground after receiving a threatening, Nazi-themed card at her home.

The Tesla investor even welcomed a new Ultra Red Tesla Model Y to show her support for the company.

Responding with a New Tesla

As per 58-year-old Alexandra Merz, an investment analyst and immigration consultant who immigrated from Germany to the United States, she received mail from a Boston address to her home on April 17. Upon opening the letter, she was greeted by an image of the Tesla logo incorporated with a Nazi salute.

Inside the card was a handwritten message which read, “History has its eyes on you.” Merz promptly reported the message to the FBI. In a comment to the New York Post, she stated that she is now even more motivated to support Elon Musk and his ventures.

“This atrocious behavior motivates me even more to stand up for Tesla, Elon, and DOGE,” Merz noted. “I bought our fifth Tesla last Saturday, a beautiful red Model Y, the best car out there. And it drives itself.”

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An Unfortunate Trend

In previous comments, Merz expressed her disdain for the ongoing attacks against Tesla and Musk. “Tesla is employing more than 140,000 employees worldwide, building the most American cars in the U.S., and building the European Model Ys in Berlin. I often wonder whether these protesters have thought through what they are doing,” she stated.

Elon Musk himself admitted to the disturbing trend during Tesla’s Q1 2025 earnings call, stating that “there’s been some blowback for the time that I’ve been spending in government with the Department of Government Efficiency or DOGE.” The CEO also stated that he would soon be stepping back from DOGE’s everyday operations and focusing more of his time on Tesla.

U.S. President Donald Trump also addressed the ongoing attacks on Teslas in a comment about Musk’s impeding step back from DOGE. As per Trump, people against Musk are taking out their frustrations on Tesla and its owners, which is unfair. He also described the people behind the attacks on Tesla as “sick.”

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