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SpaceX to build world’s most advanced rocket engine factory in Central Texas

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CEO Elon Musk says that SpaceX has plans to build the “most advanced rocket engine factory in the world” in Central Texas to support the growing needs of Starship and Super Heavy.

If all goes according to plan, that facility could also become the highest-output rocket factory ever built, churning out hundreds of Raptor engines each year to outfit a vast interplanetary fleet of Starships and the earthbound Super Heavy boosters that will send them on their way to Earth orbit, the Moon, Mars, and beyond.

Musk revealed plans for a dedicated Raptor engine factory on July 10th – shortly after showing off an impressive group of at least ten qualified Raptor engines staged inside a production tent at SpaceX’s Boca Chica Starship factory. In just the three days since that photo, SpaceX has installed three Raptor engines – possibly all of which were visible in the July 10th family photo – on the first functional Super Heavy booster prototype.

A day later, Musk revealed that SpaceX had finally settled on a crucial aspect of Super Heavy’s design, determining that operational Starship boosters will ultimately be outfitted with 33 more or less identical Raptor engines. Following another surprise Musk reveal earlier this month, that means that every two-stage Starship vehicle will require 39 to 42 Raptor engines – 36-39 sea level variants and three vacuum-optimized engines with larger nozzles.

While Raptor’s current design isn’t quite there, Musk says that SpaceX will debut an upgraded “Raptor 2” engine in the not too distant future, raising maximum thrust to 230 tons (~510,000 lbf). Aside from the removal of a few structural components required for engine gimballing on 20 booster Raptors, every engine on Starship – save for 3-6 vacuum variants – will thus be identical.

According to Musk, a new cutting-edge SpaceX factory located at the company’s expansive McGregor, Texas rocket development and testing facilities factory will ultimately mass-produce between 800 and 1000 Raptor 2 engines per year. Raptor Vacuum production will remain at SpaceX’s Hawthorne, California headquarters alongside work on mysterious “new, experimental designs.” Under the new paradigm sketched out by Musk, Raptor would mirror SpaceX’s Merlin engine family – comprised of two commonized sea level and vacuum variants (Merlin 1 and Merlin Vacuum) for more than a decade.

A visual comparison of Merlin 1D (optimized for sea level) and Merlin Vacuum. (SpaceX)
Raptor and Raptor Vacuum, September 2020. (SpaceX)

With just a single high-volume variant required, Raptor 2 production could be extraordinarily efficient and would easily outpace any other large liquid engine production in history at 800-1000 engines completed each year. Technically, at its peak in the 1970s and 1980s, the Soviet Union was producing hundreds of R7 (Soyuz) booster engines annually and upwards of 1000+ per year if one counts the several different kinds of engines on each R7/Soyuz booster. However, the annual production of a single variant of any other large liquid rocket engine in history has never come close to the targets set out by Musk for SpaceX’s Raptor 2 factory.

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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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Energy

Tesla launches Powerwall Lease for affordable home backup

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Credit: Tesla

Tesla Energy has introduced the Powerwall Lease in conjunction with Tesla Electric, making the service available in Texas. This new option delivers whole-home backup power using two Powerwall units for a net monthly cost of $35 after credits, accompanied by a low fixed electricity rate.

Under the lease terms, customers pay a one-time order fee of $100. The base lease payment for the two Powerwalls is approximately $122 per month during the first year, subject to a 3 percent annual escalator thereafter. Enrollment in a qualifying Tesla Electric Backup plan or Virtual Power Plant plan provides an $87 monthly credit.

This credit lowers the effective cost to roughly $35 per month plus applicable tax.

Installation of the standard system carries no additional charge. The package features Storm Watch for outage protection and allows complete management through a single Tesla application. The system supplies continuous whole-home backup capability.

The Powerwall system enables households to maintain electricity during severe storms that disrupt the utility grid. When outages occur, the batteries automatically provide seamless backup power to the home.

Tesla announces 100k Powerwalls are participating in Virtual Power Plants

Tesla Storm Watch monitors weather forecasts and ensures the units are fully charged ahead of anticipated severe weather events so that power remains available throughout the disruption, keeping lights, refrigeration, and other essential systems operating without interruption.

Availability is restricted to select Texas locations where retail electric choice exists. Participants must lease exactly two Powerwall units and maintain continuous enrollment with Tesla Electric. Solar panels cannot be included under this particular lease arrangement.

The monthly credit activates automatically once the system is installed, receives permission to operate, and enrollment is confirmed. To retain the credit, customers are required to stay enrolled in Tesla Electric and fulfill all program conditions.

Nonstandard installations that involve electrical upgrades or special permitting may lead to extra expenses and might impact eligibility for the credit, so be sure to check with either your installer or Tesla to ensure you will still qualify.

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Elon Musk teases Tesla Roadster unveiling once again

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tesla roadster
Credit: Tesla

Elon Musk continues to tease the unveiling event for the Tesla Roadster, a continuing trend that has grown into a bigger game of “When” for fans who have been waiting years for the car to finally enter production.

A video shared on X of the Joe Rogan Experience podcast that Musk appeared on last year, teasing the Roadster unveiling, was shared once again on the social media platform. The poster said the Roadster event will be “unforgettable.”

Musk agreed:

The timing is interesting because just yesterday, Musk said that we will be getting flying cars, and for years, Tesla has hinted that it could develop a SpaceX cold gas thruster package that would help the car float or fly for a short period of time.

It would be reasonable to assume Tesla’s major delays with this unveiling event are likely caused by the company’s need to break the rules and push the envelope on nearly everything. Last July, Lars Moravy, Tesla’s VP of Vehicle Engineering, said:

“Roadster is definitely in development. We did talk about it last Sunday night. We are gearing up for a super cool demo. It’s going to be mind blowing. We showed Elon some cool demos last week of the tech we’ve been working on and he got a little excited.”

The latest updates that Tesla has given us are that the Roadster is in design development, and it did have several potential dates for an unveiling event this year, including April. It was then pushed to August.

However, there are no clues as to when Tesla will be ready, and fans are certainly getting frustrated with the delays.

For what it is worth, Franz von Holzhausen told Jay Leno this week that the event would be “very soon.”

We sure hope.

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Lifestyle

Tesla’s driverless Cybercab just passed a big test with State Governor

Florida’s governor rode Tesla’s Cybercab at a closed test track and called the experience impressive.

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Florida Governor Ron DeSantis rode in a Tesla Cybercab on a closed test track this week and came away impressed, posting on X that the vehicle “successfully navigated all hazards — a kid running into the street, a crash with police stopping traffic, a Model S cutting us off, etc.” He called the ride “impressive.”

The stop was part of a broader event Monday at SunTrax, a 775 acre state owned proving ground in Auburndale that Florida built specifically to test autonomous and connected vehicles before they reach public roads. Standing next to a gold Cybercab, DeSantis described the car in plain terms: “You go in there and you just sit. You have a screen. There’s no steering wheel, no pedals. Clearly these things could be very beneficial.”

DeSantis paired the praise with a caveat that has followed autonomous vehicles since the category existed. “You don’t want to be in an autonomous vehicle and it drives you into a ditch. That would not be good,” he said, framing safety validation as the gate before wider deployment.

SunTrax, the 2.25 mile oval which the state calls the only high speed autonomous vehicle test track in the Southeast, can simulate rain, pedestrian crossings, hills and crowded urban conditions at highway speeds, letting companies push a car past what an early public rollout would risk. Tesla, Waymo and Beep all use the facility, and Florida’s regulatory approach, among the most permissive for autonomous vehicles in the country, doesn’t require a human operator inside a fully autonomous car.

Tesla has reason to want the blessing of Florida and states beyond, as the Cybercab entered volume production at Gigafactory Texas this spring and has since self certified as SAE Level 4 under Texas law. Public road testing so far has kept a safety monitor in the passenger seat, and Florida is where Tesla has been expanding its existing Model Y based Robotaxi service instead, adding Miami in July and then Orlando and Tampa two weeks later. A closed track endorsement from a sitting governor doesn’t change any of that, but it does put Tesla’s newest hardware in front of a state that has already shown it will move fast on rules.

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