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SpaceX scrubs Starhopper’s final Raptor-powered flight as Elon Musk talks “finicky” igniters
For unknown reasons, SpaceX’s Starhopper prototype suffered a hold just 0.8 seconds prior to its second planned flight test, a hold that was eventually followed by a decision to scrub the August 26th attempt and try again tomorrow, August 27th.
Starhopper is a full-scale, partial-height testbed for SpaceX’s next-generation Starship launch vehicle, serving more as a semi-mobile test stand for steel rockets and Raptor engines than an actual Starship prototype. The unusual vehicle took flight for the first time ever on July 25th, reaching an altitude of roughly 20m (65 ft) under the power of a single Raptor engine, capable of producing up to 200 tons (450,000 lbf) of thrust. That test also suffered a minor scrub on the 24th, followed by a successful flight one day later, a chapter that Starhopper may now mirror on its second attempted flight, a 150m (500 ft) hop.
Notably, SpaceX CEO Elon Musk took to Twitter just seconds after the rocket’s scheduled liftoff suffered a last-second hold to indicate that Raptor’s torch igniters were proving somewhat finicky relative to the chemical alternative used by SpaceX’s proven Merlin engines.
The CEO later confirmed that that comment was directly related to the 26th’s scrub, indicating that Raptor serial number 06 (SN06) needed to have its igniters inspected prior to a second hop test attempt, now scheduled to occur no earlier than 6pm EDT (22:00 UTC) on August 27th. The gist of the difficulties with Raptor’s igniter starts with the reason that SpaceX is attempting to integrate an entirely new form of ignition into the engine, replacing the methods successfully used over tens or even hundreds of thousands of seconds of firing with the company’s Merlin 1 and Merlin Vacuum engines.
Merlin 1D and MVacD both rely on a relatively simple, reliable, cheap, and easy method of chemical ignition, using a duo of pyrophoric materials known as triethylaluminum-triethylborane (TEA-TEB). When mixed, these materials immediately combust, generating an iconic green flash visible during Falcon 9 and Heavy launches, and thus producing the ‘spark’ needed to start Merlin engines.
Generally speaking, TEA-TEB is an excellent method of igniting rockets, even if it is more of a brute-force, inelegant solution than alternatives. It does, however, bring limitations: every single ignition requires a new ‘cartridge’ be expended, fundamentally limiting the number of times Merlin 1D (and Merlin Vacuum) engines can be ignited before and after liftoff.
This doesn’t even consider the fact that TEA-TEB are extremely complex chemical products that would be next to impossible to produce off of Earth, at least for the indefinite future.
To combat these downsides, SpaceX has designed Raptor with an entirely different method of ignition, known as torch ignition. Technically speaking, Raptor’s power, design, and methalox propellant combine to demand more than a relatively common solution, in which spark plugs are used to ignite an engine. Instead, Raptor uses those spark plugs to ignite its ignition sources, what CEO Elon Musk has described as full-up blow torches. Once ignited, those blow torches – likely miniature rocket engines using the same methane and oxygen fuel as Raptor – then ignite the engine’s methane and oxygen preburners before finally igniting those mixed, high-pressure gases in the combustion chamber.
In simple terms, the fact that Raptor is a full-flow staged-combustion (FFSC) engine means that the pressures it must operate under are extreme, verging on unprecedented in large-scale rocketry. Extremely high-pressure gases (on the order of 3,000-10,000+ psi or 200-700+ bar) are just as difficult to reliably ignite, especially if hypergolic solutions (i.e. TEA-TEB) are off the table.
To get an even ignition – critical to avoid burn-through, minor explosions, and even catastrophic engine failures – Raptor’s torch ignition may actually involve a 360-degree ring of spark plug-lit torches around the point of ignition, an undeniably complex solution.

However, as Musk notes, these significant, “finicky” challenges brought on by Raptor’s exotic ignition method are motivated by the potential benefits such a solution might bring. Relative to Merlin 1D’s TEA-TEB ignition, torch ignition – once optimized and matured into a reliable solution – will permit an almost unlimited number of Raptor ignitions before, during, and after flight.
Avoiding TEA-TEB and other complex chemical igniters also means that Starship will technically be able to launch to Mars or the Moon, perform injection and landing burns, maybe even hop around the surface, and still be able to return to Earth – all without resupply. Such a return voyage would still be predicated on the ability to generate the methane and oxygen propellant needed to fuel Starships, but – assuming that challenge can be solved – torch-lit Raptors would be ready for such a mission. In the event that, say, something like August 26th’s scrub happens to a Starship on Mars, the crew would also be able to get out, inspect Starship’s Raptors, and even replace faulty spark plugs if necessary.
Technically, one could bring lots of spare TEA-TEB cartridges and install those in space or after landing, but those cartridges are quite literally firebombs waiting to ignite, whereas spare spark plugs are entirely inert.
For now, we’ll have to wait for SpaceX technicians to get their eyes and hands-on Starhopper’s lone Raptor engine to verify that its ignition hardware is in good health. If all goes well, Starhopper will attempt its final flight test as early as August 27th.
Update (August 27th): Starhopper is reportedly set for a second attempted 150m (500 ft) flight test today, scheduled to occur no earlier than 5pm EDT (21:00 UTC) on August 27th. Stay tuned for SpaceX’s official Livestream!
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Tesla ramps production of its ‘new’ models at Giga Texas
The vehicles are being built at Tesla Gigafactory Texas in Austin, and there are plenty of units being built at the factory, based on a recent flyover by drone operator and plant observer Joe Tegtmeyer.

Tesla is ramping up production of its ‘new’ Model Y Standard at Gigafactory Texas just over a week after it first announced the vehicle on October 7.
Earlier this month, Tesla launched the Tesla Model 3 and Model Y “Standard,” their release of what it calls its affordable models. They are priced under $40,000, and although there was some noise surrounding the skepticism that they’re actually “affordable,” it appears things have been moving in the right direction.
The vehicles are being built at Tesla Gigafactory Texas in Austin, and there are plenty of units being built at the factory, based on a recent flyover by drone operator and plant observer Joe Tegtmeyer:
News: the @Tesla Model Y Standard production is well underway at Giga Texas today!
This consistent with what I was told to expect during the unveiling day last week!
The outbound lot had many Premium Model Y’s and @cybertruck too!
More coming soon! pic.twitter.com/WU489QKPLB
— Joe Tegtmeyer 🚀 🤠🛸😎 (@JoeTegtmeyer) October 16, 2025
The new Standard Tesla models are technically the company’s response to losing the $7,500 EV tax credit, which significantly impacts any company manufacturing electric vehicles.
However, it seems the loss of the credit is impacting others much more than it is Tesla.
As General Motors and Ford are scaling back their EV efforts because it is beginning to hurt their checkbooks, Tesla is moving forward with its roadmap to catalyze annual growth from a delivery perspective. While GM, Ford, and Stellantis are all known for their vehicles, Tesla is known for its prowess as a car company, an AI company, and a Robotics entity.
Elon Musk was right all along about Tesla’s rivals and EV subsidies
Tesla should have other vehicles coming in the next few years, especially as the Cybercab is evidently moving along with its preliminary processes, like crash testing and overall operational assessment.
It has been spotted at the Fremont Factory several times over the past couple of weeks, hinting that the vehicle could begin production sometime next year.
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Tesla set to be impacted greatly in one of its strongest markets

Tesla could be greatly impacted in one of its strongest markets as the government is ready to eliminate a main subsidy for electric vehicles over the next two years.
In Norway, EV concentrations are among the strongest in the world, with over 98 percent of all new cars sold in September being electric powertrains. This has been a long-standing trend in the Nordic region, as countries like Iceland and Sweden are also highly inclined to buy EVs.
However, the Norwegian government is ready to abandon a subsidy program it has in place, as it has effectively achieved what it set out to do: turn consumers to sustainability.
This week, Norway’s Finance Minister, Jens Stoltenberg, said it is time to consider phasing out the benefits that are given to those consumers who choose to buy an EV.
Stoltenberg said this week (via Reuters):
“We have had a goal that all new passenger cars should be electric by 2025, and … we can say that the goal has been achieved. Therefore, the time is ripe to phase out the benefits.”
EV subsidies in Norway include reduced value-added tax (VAT) on cheaper models, lower road and toll fees, and even free parking in some areas.
The government also launched programs that would reduce taxes for companies and fleets. Individuals are also exempt from the annual circulation tax and fuel-related taxes.
In 2026, changes will already be made. Norway will lower its EV tax exemption to any vehicle priced at over 300,000 crowns ($29,789.40), down from the current 500,000, which equates to about $49,500.
This would eliminate each of the Tesla Model Y’s trim levels from tax exemption status. In 2027, the VAT exemptions will be completely removed. Not a single EV on the market will be able to help owners escape from tax-exempt status.
There is some pushback on the potential loss of subsidies and benefits, and some groups believe that the loss of the programs will regress the progress EVs have made.
Christina Bu, head of the Norwegian EV Association, said:
“I worry that sudden and major changes will make more people choose fossil-fuel cars again, and I think everyone agrees that we don’t want to go back there.”
Elon Musk
Elon Musk was right all along about Tesla’s rivals and EV subsidies

With the loss of the $7,500 Electric Vehicle Tax Credit, it looks as if Tesla CEO Elon Musk was right all along.
As the tax credit’s loss starts to take effect, car companies that have long relied on the $7,500 credit to create sales for themselves are starting to adjust their strategies for sales and their overall transition to electrification.
On Tuesday, General Motors announced it would include a $1.6 billion charge in its upcoming quarterly earnings results from its EV investments.
Ford said in late September that it expects demand for its EVs to be cut in half. Stellantis is abandoning its plan to have only EVs being produced in Europe by 2030, and Chrysler, a brand under the Stellantis umbrella, is bailing on lofty EV sales targets here in the U.S.
How Tesla could benefit from the ‘Big Beautiful Bill’ that axes EV subsidies
The tax credit and EV subsidies have achieved what many of us believed they were doing: masking car companies from the truth about their EV demand. Simply put, their products are not priced attractively enough for what they offer, and there is no true advantage to buying EVs developed by legacy companies.
These tax credits have helped companies simply compete with Tesla, nothing more and nothing less. Without them, their products likely would not have done as well as they have. That’s why these companies are now suddenly backtracking.
It’s something Elon Musk has said all along.
Back in January, during the Q4 and Full Year 2024 Earnings Call, Musk said:
“I think it would be devastating for our competitors and for Tesla slightly. But, long term, it probably actually helps Tesla, that would be my guess.”
In July of last year, Musk said on X:
“Take away all the subsidies. It will only help Tesla.”
Take away the subsidies. It will only help Tesla.
Also, remove subsidies from all industries!
— Elon Musk (@elonmusk) July 16, 2024
Over the past few years, Tesla has started to lose its market share in the U.S., mostly because more companies have entered the EV manufacturing market and more models are being offered.
Nobody has been able to make a sizeable dent in what Tesla has done, and although its market share has gotten smaller, it still holds nearly half of all EV sales in the U.S.
Tesla’s EV Market Share in the U.S. By Year
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- 2020 – 79%
- 2021 – 72%
- 2022 – 62%
- 2023 – 55%
- 2024 – 49%
As others are adjusting to what they believe will be tempered demand for their EVs, Tesla has just reported its strongest quarter in company history, with just shy of half a million deliveries.
Will Tesla thrive without the EV tax credit? Five reasons why they might
Although Tesla benefited from the EV tax credit, particularly last quarter, some believe it will have a small impact since it has been lost. The company has many other focuses, with its main priority appearing to be autonomy and AI.
One thing is for sure: Musk was right.
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