News
SpaceX fires up Starship and Super Heavy booster hours apart
SpaceX appears to have successfully fired up a Starship and Super Heavy booster hours apart, testing a total of three new Raptor 2 engines on the two rockets.
SpaceX says it completed a two-engine static fire with Starship 24 less than three hours after the company successfully ignited a Raptor 2 engine installed on a rocket prototype for the first time. That earlier test, performed by Super Heavy Booster 7, was also the first time SpaceX used its new Starbase orbital launch site to support a static fire test and the second-ever static fire of a Starship booster prototype. Had the company called it quits after Booster 7 survived its first intentional trial by fire, it would have still been an exceptionally successful day.
But SpaceX wasn’t done.
Instead, after Booster 7’s seemingly flawless single-Raptor static fire at 5:25 pm CDT, SpaceX loaded Starship 24 with a small amount of liquid oxygen and methane propellant and ignited two of the ship’s six engines around 8:18 pm. It was not initially clear how many engines were involved but a tweet from SpaceX later confirmed it was two. More likely than not, one of those engines was a sea level-optimized Raptor with a smaller bell nozzle and the other was a vacuum-optimized Raptor with a much larger nozzle.
Almost ten months ago, Starship 20 – SpaceX’s first potentially orbital-class Starship prototype – began static fire testing in a somewhat similar way. Its first day of static fires began with a single Raptor Vacuum engine and ended with a simultaneous RVac and sea-level Raptor test in October 2021. In some ways, SpaceX has been a bit less cautious with Starship 24, which is the second potentially orbital-class prototype to begin proof testing. Ship 24 already has all six Raptors installed, whereas Ship 20 only had four of six engines installed during its first static fire tests. SpaceX also took about three weeks to progress from Ship 20’s first static fire test to its first static fire of all six engines, whereas it appears that Ship 24 could potentially attempt its first six-engine test just a few days to a week later.
On the other hand, Ship 24’s path to its first static fire was substantially longer than Ship 20’s. Ship 20 completed its first static fire test(s) just 25 days after its first proof test, referring to the process of verifying that the prototype was in good working order before moving on to riskier testing with flammable propellant and intentional ignitions. Ship 20 also completed its first six-engine static fire 46 days after testing began. Ship 24, meanwhile, took 75 days to go from its first proof test to its first static fire – almost three times slower than Ship 20, a prototype that was essentially the first of its kind.
It’s possible that Ship 24’s upgraded Raptor 2 engines are partially or fully to blame. Instead of jumping straight into ‘hot’ Raptor testing like Ship 20, which began that particular campaign with a partial-ignition preburner test, SpaceX put Ship 24 through seven ‘spin-prime’ tests before its first static fire. For Raptor, spin-primes test the ignition step before preburner ignition, which is itself a step before main combustion chamber ignition (where the engine starts to produce meaningful thrust). Raptor startup procedures likely involve flowing high-pressure gaseous helium, nitrogen, or propellant (oxygen/methane) through the engine to spin up its turbopumps, ‘priming’ them for preburner and main combustion chamber ignition.
On Raptor 1, the preburners would ignite once a high enough flow rate was achieved, producing hot gas that the main combustion chamber would mix and ignite one last time to start the engine. In a recent interview with Tim Dodd (“The Everyday Astronaut”), CEO Elon Musk revealed that SpaceX was able to “remove torch igniters” from Raptor 2’s main combustion chamber (MCC). It’s unclear if that means that Raptor 2 now has zero MCC igniters, but a major change in the overall ignition process could explain why the start of Ship 24 and Booster 7 engine testing was so sluggish. So could the unintended explosion Booster 7 caused when SpaceX attempted to spin-prime all 33 of its Raptor 2 engines at once.
Regardless, SpaceX has finally crossed that particular Rubicon and, with any luck, Raptor 2 testing will begin to speed up on both Starship 24 and Super Heavy Booster 7. SpaceX has test windows scheduled on August 11th, 15th, and 16th. A warning distributed to Boca Chica, Texas residents on August 10th confirmed that the company intends to perform at least one more static fire test on the 11th.
Energy
Tesla starts hiring efforts for Texas Megafactory
Tesla’s Brookshire site is expected to produce 10,000 Megapacks annually, equal to 40 gigawatt hours of energy storage.
Tesla has officially begun hiring for its new $200 million Megafactory in Brookshire, Texas, a manufacturing hub expected to employ 1,500 people by 2028. The facility, which will build Tesla’s grid-scale Megapack batteries, is part of the company’s growing energy storage footprint.
Tesla’s hiring efforts for the Texas Megafactory are hinted at by the job openings currently active on the company’s Careers website.
Tesla’s Texas Megafactory
Tesla’s Brookshire site is expected to produce 10,000 Megapacks annually, equal to 40 gigawatt hours of energy storage, similar to the Lathrop Megafactory in California. Tesla’s Careers website currently lists over 30 job openings for the site, from engineers, welders, and project managers. Each of the openings is listed for Brookshire, Texas.
The company has leased two buildings in Empire West Business Park, with over $194 million in combined property and equipment investment. Tesla’s agreement with Waller County includes a 60% property tax abatement, contingent on meeting employment benchmarks: 375 jobs by 2026, 750 by 2027, and 1,500 by 2028, as noted in a report from the Houston Business Journal. Tesla is required to employ at least 1,500 workers in the facility through the rest of the 10-year abatement period.
Tesla’s clean energy boom
City officials have stated that Tesla’s arrival marks a turning point for the Texas city, as it highlights a shift from logistics to advanced clean energy manufacturing. Ramiro Bautista from Brookshire’s economic development office, highlighted this in a comment to the Journal.
“(Tesla) has great-paying jobs. Not just that, but the advanced manufacturing (and) clean energy is coming to the area,” he said. “So it’s not just your normal logistics manufacturing. This is advanced manufacturing coming to this area, and this brings a different type of job and investment into the local economy.”
News
Tesla Giga Shanghai just built its 5 millionth battery pack
The achievement highlights Giga Shanghai’s role as the automaker’s highest volume manufacturing complex.
Tesla’s Shanghai Gigafactory has reached a major production milestone, with its five millionth battery pack rolling off the line this week.
The achievement highlights Giga Shanghai’s role as the automaker’s highest volume manufacturing complex and primary vehicle export hub.
Giga Shanghai’s new milestone
Tesla announced the milestone on X and Weibo, sharing images from the facility where the five millionth pack was completed. Images showed the Giga Shanghai team posing for a commemorative photo with the facility’s five millionth battery pack. Several of the company’s executives congratulated the Tesla China team for its recent milestone, including SVP Tom Zhu, who wrote “Power up, team!” in a post on X.
While Tesla designs and assembles its battery packs in China, the cells themselves are supplied by local partner CATL and South Korea’s LG Energy Solution, as noted in a CNEV Post report. Tesla China has stated that its pack safety standards exceed industry norms several times over, with longevity engineered to outlast vehicle lifespans.
Giga Shanghai’s growing role
Construction of Giga Shanghai began in early 2019, becoming China’s first wholly foreign-owned auto manufacturing facility. Giga Shanghai’s first phase was completed within the year, producing Model 3 sedans by the end of 2019. It now produces both Model 3 sedans and Model Y SUVs for domestic and export markets, with an annual capacity approaching one million vehicles.
Despite the record-setting battery milestone, Tesla China’s recent domestic results left a lot to be desired. As per the China Passenger Car Association, Tesla’s retail sales in October dropped 36% year over year to 26,006 units, the lowest since late 2022. Analysts attributed the decline to Giga Shanghai’s focus on exports last month, as well as the ramp of compelling rivals like the Xiaomi YU7.
News
Tesla confirms upcoming launch of FSD Supervised in South Korea
The announcement came through a post from Tesla Korea’s official account on X.
Tesla has confirmed that it will be releasing its Full Self-Driving (FSD) Supervised system in South Korea. The announcement came through a post from Tesla Korea’s official account on X, which featured a video showing the system navigating local roads in a Tesla Model S sedan.
FSD Supervised in South Korea
The teaser video posted by Tesla Korea showed a vehicle performing lane changes, navigating intersections, and even parking without driver input, all while the driver kept their hands off the steering wheel. The footage was filmed on domestic roads, suggesting that Tesla Korea has been initiating FSD test drives in the country for some time.
Tesla’s FSD software currently exists in two versions: supervised and unsupervised. The supervised version still requires driver attention, while the unsupervised variant, which is being used in the company’s Robotaxi service, allows full autonomy. Tesla has confirmed plans to expand supervised FSD to Europe, and China, as well as markets like Japan, sometime next year.
South Korea’s FSD likely for U.S.-made cars to start
In South Korea, Tesla’s popularity has surged despite FSD not yet being available in the country. This is largely due to the new Model Y, which was launched in April. Thanks to the vehicle’s reasonable price and features, the new Model Y has driven domestic sales up 92.8% year-over-year, securing Tesla’s place among the country’s top imported carmakers.
With FSD, Teslas become significantly more compelling vehicles. Analysts warn, however, that legal and regulatory hurdles could complicate FSD’s local introduction. Over 80% of Teslas sold in South Korea are manufactured in China, and those vehicles must comply with domestic safety standards, as noted in a Chosun report.
Industry experts suggest the first wave of FSD-enabled vehicles will likely be U.S.-made, as models built under the Korea-U.S. Free Trade Agreement automatically meet South Korean safety requirements.
“Since the supervised FSD is a technology that assists driving, its introduction in South Korea is technically feasible. However, potential conflicts with domestic road laws and safety standards are a concern,” one industry insider told local media. “US-made vehicles are not subject to South Korean safety standards due to the Korea-US FTA, making FSD implementation relatively easier, whereas the situation differs for Chinese-made vehicles.
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