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SpaceX CEO Elon Musk says Starship could be followed by a dramatically larger rocket

SpaceX CEO Elon Musk says an 18m-wide rocket - four times as large as Starship - could eventually follow the next-gen rocket. (Teslarati)

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Hinted at in a brief tweet on August 28th, SpaceX CEO Elon Musk says that SpaceX’s massive Starship and Super Heavy launch vehicle – set to be the most powerful rocket ever built upon completion – could eventually be followed by a rocket multiple times larger.

SpaceX is currently in the process of assembling the first full-fidelity prototypes of Starship, a 9m (30 ft) diameter, 55m (180 ft) tall reusable spacecraft and upper stage. Two prototypes – Mk1 and Mk2 – are simultaneously being built in Texas and Florida, respectively, while the beginnings of the first Super Heavy prototype has visibly begun to take shape at SpaceX’s Florida campus.

Once complete, Starship’s Super Heavy booster will be the single most powerful rocket booster ever built, standing at least 70m (230 ft) tall on its own and capable of producing as much as ~90,000 kN (19,600,000 lbf) of thrust with 30 250-ton-thrust and 7 200-ton-thrust Raptor engines installed. Assuming 31 throttleable 200-ton Raptors, Super Heavy’s minimum max thrust is a still record-breaking ~62,000 kN (13.7 million lbf).

In fewer words, a full Starship/Super Heavy ‘stack’ would be the tallest (~118m/390ft), heaviest (~5000 tons/11 million lbs), and most powerful rocket ever assembled.

Starship was never meant to lower SpaceX's annual launch cadence. (SpaceX)
Starship separates from its Super Heavy booster in this updated render. (SpaceX)

And yet, despite its size, orbital-class rocketry in Earth gravity will almost never fail to benefit from more thrust; more propellant; more rocket. In light of this, CEO Elon Musk says that a theoretical next- next-generation SpaceX rocket – to potentially follow some years after Starship and Super Heavy – could be a full 18m (60 ft) wide, twice the diameter of its predecessors.

Many will recollect that doubling the diameter of a circle quadruples its area. Add in a doubling of height and a theoretical Starship 2.0 would have eight times the surface area and eight times the propellant tank volume, requiring roughly eight times as much thrust and making the vehicle eight times as heavy as Starship 1.0. Assuming that Starship’s successor retains its fineness ratio (height/width), an unlikely end result but still interesting to ponder, the vehicle would measure 18m (60 ft) in diameter and a terrifying ~236m (780 ft) tall, literally more than twice as tall as Saturn V. An 18m diameter would also make it the widest rocket ever built, with Saturn V’s S-IC first stage measuring 10m wide and the Soviet Union’s N1 ‘Block A’ first stage measuring an impressive ~17m in diameter at its widest point.

If the above assumptions are correct, a very rough estimate would peg Starship 2.0’s gross (fueled) mass at a gobsmacking ~40,000 metric tons (~90 million pounds). In the unlikely event that SpaceX would use the current generation of Raptor to power such a colossal rocket, the booster would need a bare minimum of 100+ Raptors just to lift off at all. Using Saturn V’s F-1, still the most powerful single-chamber rocket engine ever built, Starship 2.0 would need a minimum of 60+ engines to lift off.

A roughly to-scale comparison of SpaceX’s Falcon 9 rockets and proposed BFR variants, including Starship (BFR 2018) and an 18m-wide rocket teased by Elon Musk. (Teslarati/SpaceX)

For the time being, Starship and Super Heavy are plenty ambitious on their own, but it’s unsurprising to hear that SpaceX CEO Elon Musk already has some thoughts on what could follow that next-generation launch vehicle in the new decade. Still, it’s worth noting that quite possibly the craziest aspect of Starship – SpaceX’s utterly non-traditional attempt at rewriting the book on rocket manufacturing – could eventually make an 18m-diameter vehicle far more practical, assuming the company proves it’s methods can be used to build reliable, high-performance rockets.

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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’s latest Robotaxi job posting takes the whole program a step forward

On Tuesday, Tesla posted a new job for a Senior Insurance Claims Specialist, Robotaxi, the first of its kind.

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(Credit: Tesla North America/X)

Tesla’s latest Robotaxi job posting goes beyond what has been posted in the past and truly takes the entire program a step forward.

Tesla has been hiring some employees for Robotaxi, but a vast majority of the job postings have been related to Vehicle Operator positions, meaning the people who are Safety Monitors or Validation Vehicle Drivers.

Some job postings have hinted at Robotaxi expanding to new cities.

However, on Tuesday, Tesla posted a new job for a Senior Insurance Claims Specialist, Robotaxi, the first of its kind.

The job description says the employee will “oversee the company’s corporate insurance, risk management and surety programs across all business components.” Additionally, it says the position plays “a critical role in managing incident reporting a claim processes for Tesla Robotaxi and ride-hailing operations.”

Essentially, Tesla could be looking to prepare for when it eventually will have to take liability for accidents completely. This would be when the company launches fully autonomous vehicles, meaning Cybercab and the Robotaxi program, specifically. It would also include passenger vehicles with Full Self-Driving.

Tesla is currently operating a Robotaxi program in Austin, Texas, as well as a ride-hailing platform in the California Bay Area.

These programs are the company’s first foray into ride-hailing, with or without someone in the driver’s seat of the vehicle. In Austin, Tesla operates most of its rides without a Safety Monitor in the driver’s seat. Only freeway routes require the Monitor to be directly behind the wheel.

In California, someone sits in the driver’s seat at all times.

The job posting seems to indicate that things could be relatively close in terms of solving self-driving, especially if Tesla is looking to fill a role that would handle autonomous insurance claims.

Of course, it will take Tesla to solve autonomy, and with the company aiming to start Cybercab production (without a steering wheel) in Q2 2025, it surely feels like it is on the brink of something great.

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Tesla snags Lamborghini alum to help in newly entered market

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tesla showroom
Credit: Tesla

Tesla has snagged a Lamborghini alum to help with its entrance into a new market, which has proven to be an intricate situation for the automaker.

A report from Bloomberg states that Tesla has hired Sharad Agarwal, who was formerly employed by the Italian luxury carmaker, to run its operations in India. With Lamborghini, he was employed to handle operations in India.

Tesla launches in India with Model Y, showing pricing will be biggest challenge

Tesla has gone through quite a few different team members with its launch in India, starting with a few hirings a few years ago, well before the company actually committed to selling cars in the country.

The move helps Tesla streamline its executive decision-making process, as it previously had employees in India reach out to managers based in China, among other areas. Agarwal will be stationed in India and will handle the company’s operations.

Tesla’s mentality behind the strategy is to have local leadership, something that seems to cater to the market specifically.

Tesla had previously put Isabel Fan, the manager of Southeast Asia for the company, in the position. However, Tesla seemed to want someone who was more permanent and would be dedicated to India exclusively.

India has the largest population on Earth and has a massive automotive market for that reason. Tesla stands to gain a lot from a strong performance in India, and its clean energy vehicles could help with pollution of all kinds in the region.

Tesla’s path to entrance in the Indian market was a long one, as the company tried for nearly ten years to get into the elusive region. Back in 2016, CEO Elon Musk said Tesla “would love to be in India,” teasing the Model 3.

By 2017, Tesla had met with officials from the country, but tried to get import duties down to nothing from 100 percent.

Indian authorities denied Tesla’s request.

For years, Musk met with Prime Minister Narendra Modi to try and iron out a deal of some sort. Nothing truly came to fruition, at least until last year, when real movement started.

By 2024, India had introduced a strategy to reduce import duties for some companies, which was enough for Tesla to make a move. It is now 2025, and the company still has not committed to building a factory in the region. However, it is not completely out of the question.

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Tesla Sentry Mode helps lock up drive-by shooting suspect in Seattle

“A nearby Tesla actually captured the video that showed a man crouched behind a vehicle firing gunshots. A lot of vehicles record, and officers know that Teslas, especially, record, so we use that video all the time in these instances.”

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tesla side repeater camera
(Credit: Tesla)

Police in Seattle, Washington, are crediting Tesla’s well-known Sentry Mode for helping find a suspect in a drive-by shooting case.

A 21-year-old was arrested for an alleged drive-by shooting in the Pioneer Square neighborhood of Seattle this past Sunday, and the leads on the case seemed to be slim.

However, a Tesla parked nearby was able to record the shooting, as well as the car that the suspect hopped in after the crime occurred. It helped police identify the person they were looking for.

Seattle Police Department Detective Brian Pritchard said to MyNorthwest that the Tesla was a critical part of finding the suspect and placing him under arrest:

“A nearby Tesla actually captured the video that showed a man crouched behind a vehicle firing gunshots. A lot of vehicles record, and officers know that Teslas, especially, record, so we use that video all the time in these instances.”

The Tesla footage helped the Police put the suspect into handcuffs about an hour after the crime was committed. They are currently charged with drive-by shooting and unlawful possession of a firearm.

Tesla Sentry Mode is a security feature the vehicle utilizes to help solve crimes like vandalism, but it is also a cool feature that has caught things like accidents and other incidents on camera.

Many people still do not know about it, including the many vandals who keyed or broke the windows of Teslas earlier this year, as people damaged others’ cars in an act of retaliation against CEO Elon Musk when he became involved in politics.

This is far from the first time Sentry Mode has helped Police Departments solve crimes. Last September, we reported on Oakland’s Police Department in California using Teslas near crime scenes to help solve cases.

Tesla Sentry Mode is Oakland PD’s secret weapon against rising crime

Sergeant Ben Therriault, president of the Richmond Police Officers Association, said, “We have all these mobile video devices floating around,” in reference to the Teslas that sit and capture nearly everything that surrounds them.

Sentry Mode has helped officers arrest a variety of suspects, including several people who were allegedly involved in the murder of a 27-year-old woman in Northern California.

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