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SpaceX fires up first upgraded Starship engine

A Raptor 1 engine performs a static fire in 2019. (SpaceX)

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CEO Elon Musk has implicitly revealed that SpaceX recently conducted the first test of Starship’s new Raptor 2 engine.

Aside from kicking off integrated static fire testing of a refined, operationalized version of Raptor, the first prototype may have briefly become the most powerful engine of its kind ever tested before destroying itself. While not quite as successful as the first static fire campaign of a full-scale Raptor 1 engine, which survived several tests, the first Raptor 2 prototype’s early demise is still a routine part of engine development and is the start of a process that should ultimately produce a Super Heavy booster with 50% more thrust than the next most powerful rocket ever flown.

Prior to last weekend, it’s likely that competitor Blue Origin’s BE-4 – still in development and hoped to one day power ULA’s Vulcan and the company’s own reusable New Glenn – was the most powerful methane/oxygen rocket engine ever tested. BE-4 is designed to produce up to 244 tons (~539,000 lbf) of thrust. On its very first static fire, it appears that SpaceX’s first finished Raptor 2 prototype has narrowly stolen BE-4’s crown, briefly generating main combustion chamber pressures of 321 bar (~4650 psi) and as much as 245 tons (~540,000 lbf) of thrust.

To BE-4’s credit, the engine (at least as far as Blue Origin’s sparse public communications go) didn’t destroy itself after its first full-thrust static fire. Raptor 2 wasn’t so lucky and apparently exploded before completing its first test. There’s also some ambiguity as Blue Origin’s own website pegs BE-4 thrust at “2400 kN (550,000 lbf)” when 2400 kilonewtons is actually equivalent to 539,000 lbf. Regardless, designed to produce up to 230 tons (~510,000 lbf) of thrust in flight, Musk has said that Raptor 2 or V2.0 “is a major improvement in simplification” over Raptor 1, which nominally produces up to 185 tons (~410,000 lbf) of thrust at chamber pressures closer to 270 bar (~3900 psi).

It’s not all that surprising, then, that the first Raptor 2 prototype ever completed exploded when SpaceX pushed it to almost 107% of its maximum rated thrust and main chamber pressure during its first test.

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Though impressive, SpaceX has technically pushed Raptor 1 prototypes further – and without failure. Musk later indicated that there was some damage present but a fairly young Raptor 1 engine still made it all the way up to 330 bar (~4800 psi) and spent about 10 seconds at chamber pressures above 320 bar without failure during an August 2020 stress test. Still, had the Raptor 2 prototype also made it to 330 bar, it would have produced around 252 tons (555,000 lbf) of thrust – 12% more than its Raptor 1 predecessor.

Super Heavy boosters will ultimately have 33 more or less identical sea-level-optimized Raptors – 13 Raptor Center (RC) engines with thrust vectoring and 20 Raptor Boost (RB) engines without. (NASASpaceflight – bocachicagal)
Starship’s design features three Raptor Centers and three Raptor Vacuums. Musk has suggested a variant with 3 RCs and 6 RVs as a possible upgrade path. (Elon Musk)

According to Musk, the main differences between Raptor 1 and Raptor 2 are “much cleaner” plumbing and wire harnesses and a wider combustion chamber throat, which allows the engine to produce more thrust in roughly the same package at the cost of a slight efficiency loss. Over the last two years, the CEO has mentioned the possibility of a power-optimized Raptor variant with up to 300 tons of thrust but in recent months, Musk says SpaceX has decided to keep the Raptor family as streamlined as possible and opted for just two variants – one with a sea-level nozzle (Raptor Center and Boost) and one with a larger vacuum-optimized nozzle (RVac).

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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Why Tesla’s Q4 performance could shock many after incredible Q3

There is still some residual impact to be felt as we enter Q4, and there is a potential shock coming to many investors as it could be stronger than what many think:

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Credit: Tesla

Tesla reported vehicle deliveries and energy deployments for the third quarter of 2025 today, blowing analyst estimations from Wall Street firms completely out of the water with its strongest three-month performance in company history.

The strong performance, which resulted in nearly half a million vehicle deliveries in the quarter, was largely driven by the momentum of the EV tax credit, which expired at the end of September, marking the end of the $7,500 discount that was previously available.

Tesla hits record vehicle deliveries and energy deployments in Q3 2025

This was a massive contributor to Tesla’s record-high in vehicle deliveries, as consumers rushed to take advantage of the credit.

There is still some residual impact to be felt as we enter Q4, and there is a potential shock coming to many investors as it could be stronger than what many think:

EV Tax Credit Deliveries Will Continue Through Q4

Despite the credit’s expiration, people will still be able to take advantage of it because the IRS changed the rules mid-quarter.

Prospective buyers can utilize the credit after September 30 if they place an order for an EV and make a marginal payment on the car.

Tesla’s $250 order deposit qualified as the marginal payment, so as long as the order was submitted before the end of the day on September 30, they could still take delivery in Q4 or even Q1 and still take advantage of the credit.

Tesla set to win big after IRS adjusts EV tax credit rules

With the Model Y Performance launching in the U.S. on September 30, that undoubtedly contributed to some orders. However, there are likely many people who ordered in the latter portion of Q3 and have not yet taken delivery. These will all contribute to Q4 delivery figures.

Seasonal Holiday Boost

Tesla traditionally has its strongest quarters in Q4, as the company typically introduces initiatives such as price cuts, incentives, and other offers to close out the year strong.

Car buyers are more likely to jump at these offers as well, as gifts for either themselves or others. What Tesla does in the final quarter of the year is usually boosted by whatever types of offers it can make.

Affordable Model Production Ramp

Tesla is likely preparing for the launch of its affordable model, which is essentially a stripped-down Model Y.

Some rumors have been circulating within the community, indicating that the company is nearing the sale of this vehicle, which is coded within Tesla’s website as the “Model Y Standard.”

If Tesla is able to lock in some good pricing on its affordable model, Tesla could see its quarterly figures return to QoQ growth, something that the company has not had in a few years.

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Tesla hits record vehicle deliveries and energy deployments in Q3 2025

As per Tesla’s Q3 2025 vehicle delivery and production report, the bulk of the company’s numbers came from its mass-market lineup.

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Tesla (NASDAQ:TSLA) reported record-breaking results for the third quarter of 2025, producing 447,450 vehicles and delivering 497,099 units worldwide. 

The company also deployed 12.5 GWh of energy storage products, setting a new record in its fast-growing energy business.

Model 3/Y domination

As per Tesla’s Q3 2025 vehicle delivery and production report, the bulk of the company’s numbers came from its mass-market lineup. The Model 3 sedan and Model Y crossover accounted for 435,826 units produced and 481,166 delivered in the quarter. This is quite impressive considering that both the Model 3 and Model Y are still premium-priced vehicles with numerous competitors that are significantly more affordable.

Other models, including the Model S, Model X, and Cybertruck, contributed 11,624 vehicles produced and 15,933 delivered. Beyond vehicles, Tesla’s energy business posted its best quarter to date, deploying 12.5 GWh of storage systems.

Credit: Tesla

Q3 2025 earnings call date

Tesla’s third-quarter results are extremely impressive, and they exceed Wall Street’s estimates by a significant margin. As per Benchmark analyst Mickey Legg, who had a delivery estimate of 442,000 vehicles in Q3, Wall Street consensus was at 448,000 units. Even more optimistic analysts estimated that Tesla would only post deliveries in the mid-460,000s.

Investors will gain further insight later this month when Tesla reports full financials for the quarter. The company will release Q3 2025 earnings after market close on October 22, followed by a Q&A webcast at 4:30 p.m. Central Time.

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Elon Musk is halfway towards becoming the world’s first trillionaire

Musk’s fortune remains heavily tied to Tesla, which has rallied nearly 100% since April.

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Credit: Tesla Manufacturing/X

Elon Musk has reached a new milestone by becoming the first individual in history to achieve a net worth of $500 billion. ForbesReal-Time Billionaires tracker confirmed the record Wednesday afternoon after Tesla stock gained nearly 4%, adding an estimated $9.3 billion to Musk’s net worth in a single day. 

He now sits more than $150 billion ahead of Oracle co-founder Larry Ellison, whose net worth also stands at a very impressive $350 billion.

Tesla stock leads wealth surge

Musk’s fortune remains heavily tied to Tesla, which has rallied nearly 100% since April, when the CEO announced he would step back from outside roles to focus more on the EV maker. The company’s market capitalization is back within 10% of its all-time peak, lifting the value of Musk’s 12% stake to about $191 billion. 

Beyond this, his 2018 compensation package, which was rescinded by a Delaware judge last year but is still under appeal, could unlock additional stock worth more than $130 billion if reinstated, Forbes noted. Investors see Musk’s refocused leadership as a stabilizing force for Tesla as it pursues ambitious global growth. Tesla has also proposed a new compensation plan for Musk that could bring the company’s market cap to $8.5 trillion and add an additional $900 billion to the CEO’s net worth. 

SpaceX and xAI boost portfolio value

While Tesla drives much of his wealth, Musk’s stakes in SpaceX and xAI have added significant upside to his net worth. SpaceX, his private rocket company, recently hit a $400 billion valuation in a private tender offer, valuing Musk’s 42% stake at $168 billion. Meanwhile, xAI Holdings, which merged with social platform X earlier this year, is worth an estimated $113 billion, giving Musk another $60 billion on paper. 

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These ventures, combined with Tesla’s resurgence, have pushed Musk’s net worth past the half-trillion-dollar mark and highlighted his reach across multiple industries, from clean energy to space, artificial intelligence, brain implants, and tunneling.

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