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SpaceX Starship engine test aborted twice in one day by hurricane damage and bugs

Starship SN5 was forced to abort a planned Raptor engine test twice in one day. (NASASpaceflight - bocachicagal)

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SpaceX has been unable to catch a break in the last few weeks and CEO Elon Musk says that a Starship Raptor engine test was delayed twice in one day by minor hardware bugs and damage caused by Hurricane Hanna.

Although it quickly devolved into a tropical storm and largely missed the southernmost tip of Texas, where SpaceX has built its Starship factory and test facilities, Hanna caused significant damage just a few dozen miles to the north. Above all else, the flooding caused by Hanna has by far been the worst part of the storm. Boca Chica managed to dodge the bulk of that element but was still hit by heavy rain that lasted for a day or two, drenching everything that wasn’t covered and nearly flooding the only access road.

According to Musk, an unspecified “connector” related to Starship SN5 or the pad supporting it was damaged by Hanna’s glancing encounter with SpaceX’s facilities. The connector was ultimately fixed around 7-8 pm CDT per unofficial webcasts showing technicians working around the rocket after they returned to the pad, but SpaceX’s test window technically closed at 8 pm CDT (01:00 UTC).

Nevertheless, SpaceX must have been able to work with local sheriffs to extend that road closure into the night, and – as promised by CEO Elon Musk – testing restarted around 9:30 pm CDT. About an hour and a half later, Starship SN5 appeared to make it all the way through a partial wet dress rehearsal before its Raptor engine test fire was aborted a second time. Based on four static fires completed by Starship SN4 in May 2020, the rocket could have been just a few minutes away from ignition.

According to Musk, Starship SN5’s fuel (methane) “spin valve” – presumably a valve that opens to allow methane gas to spin up Raptor’s fuel turbopump – failed to open when it was supposed to. To ensure Raptor’s health after three inactive weeks spent installed on Starship out in the elements, SpaceX likely planned what is known as a “spin prime” test directly prior to the static fire. If Raptor successfully spun up its turbopumps, SpaceX would proceed directly into static fire operations without having to detank Starship.

During SN5’s second July 27th static fire attempt, Raptor was unable to start that spin prime test, forcing SpaceX to stand down to diagnose and fix the problem. Musk says that SpaceX will attempt to static fire Starship SN5 again tomorrow (July 28th) – assuming the issue can be quickly rectified.

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Raptor SN27 was installed on Starship SN5 around July 3rd or 4th. (NASASpaceflight – bocachicagal)
Starship SN5 was forced to wait several weeks after its first cryogenic proof test to begin more challenging tests with a Raptor engine and real methane/oxygen propellant. (NASASpaceflight – bocachicagal)

Musk further noted that some “odd…behavior” was observed in the hydraulic pump powering Raptor SN27’s thrust vector control (TVC). Used to steer a rocket engine, Raptor doesn’t technically need functioning TVC to perform a static fire test on the ground, but it’s an issue that will have to be completely fixed before Starship SN5 is allowed to attempt its first flight test. If July 28th finally sees SN5 successfully ignite its Raptor engine, there’s a chance – however slim – that SpaceX will be able to turn the Starship around for its first hop just a few days later.

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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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SpaceX reports its first earnings today: here’s what to expect

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Credit: SpaceX

SpaceX (NASDAQ: SPCX) will report its first public earnings call today since its IPO earlier this year, and there are a few things we expect to hear about, as well as Wall Street analysts, who have already outlined their expectations for the call.

Wall Street analysts have a consensus of $12.72 billion in revenue and an earnings per share (EPS) of $0.13. These are broken down into three sectors: Space, Connectivity, and AI/SI, which are perceived in this way:

  • Space: $1.41 billion
  • Connectivity: $4.84 billion
  • AI/SI: $6.47 billion

Other outlets cluster near $12.8 or $12.9 billion in revenue and $0.14 – $0.15 EPS. This implies a roughly 65 percent sequential growth from Q2’s $7.81 billion, driven mostly by AI/SI, with the first post-IPO positive EPS expected.

SpaceX just launched its secret Starfall saucer again

Here are the three things to watch for on the call:

AI Revenue Ramp and the $100B+ ARR target

AI is truly the swing factor for SpaceX, and analysts expect it to roughly double from Q2’s $2.56 billion and become about half of total revenue. Management previously guided to a $100 billion+ annualized run rate by December, including the Cursor acquisition, which was $60 billion, to close the quarter.

SpaceX makes first acquisition post-IPO

Listen for updates on SpaceX’s compute capacity, especially pertaining to its contracts with Google, Anthropic, and others, revenue per watt, any new deals, and Cursor’s early contribution.

Starlink/Connectivity Metrics and Mobile Expansion

Connectivity remains a main profit engine for SpaceX. Subscriber additions will be something to pay attention to, as Q2 ended at 12 million and previews are looking at 14 million for this quarter. Additionally, ARPU trends, enterprise and government growth, and any commentary on Starlink Mobile will be something to pay attention to, especially following the recent low-band spectrum deal and FCC-related constellation approvals.

Capex Trajectory, Cash Burn/FCF, and Starship/Operational Updates

Q2 capex of roughly $18.4 billion weighed on the stock. Investors will look to scrutinize Q3 spending levels, any guidance on the pace into Q4/2027, free cash flow, backlog, and liquidity. Operational color on Starship (Flight 14 milestones and Flight 15 timing/reusability progress), Falcon cadence, and government/NASA contracts are also in focus.

Of course, there will also be some speculation on the potential Tesla-SpaceX merger, but there was nothing mentioned in the company’s proxy it sent earlier this week.

SpaceX will report earnings after market close today and will stream the call on X.

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SpaceX just launched its secret Starfall saucer again

SpaceX launched its Starfall capsule again on Bandwagon-5, this time listed openly beside rideshare customers.

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An artist’s illustration of a SpaceX Starfall capsule reentering Earth’s atmosphere. (Image: SpaceX)
An artist’s illustration of a SpaceX Starfall capsule reentering Earth’s atmosphere. (Image: SpaceX)

SpaceX launched its Starfall reentry capsule for the second time on Tuesday morning, flying it as the payload of the Bandwagon-5 rideshare mission. Falcon 9 lifted off from Space Launch Complex 40 in Florida at 7:04 a.m. ET with 32 payloads, and the first stage booster, on its 19th flight, landed on the droneship A Shortfall of Gravitas about nine minutes later.

Starfall was scheduled to separate last, 2 hours and 48 minutes after liftoff. The final customer satellite on SpaceX’s mission timeline comes off the upper stage about an hour and nine minutes in, which left a long gap before the capsule was due to be released alone. SpaceX later posted that the payload deployment sequence is complete. At liftoff, the company said Starfall “enables affordable, routine access to a microgravity environment, providing unique opportunities for on-orbit manufacturing, scientific research, and testing.”

As Teslarati reported before the first Starfall flight, SpaceX made no public announcement about the vehicle then, and nearly everything known came from FAA and FCC filings. This time Starfall is an item name on the official mission page, listed beside paying rideshare customers. SpaceX has still not said what, if anything, is aboard this Starfall, Spaceflight Now noted.

The FAA’s environmental assessment from May describes a disk about 10.2 feet wide and 2.5 feet tall that weighs roughly 4,600 pounds and can bring 2,200 pounds of payload back to Earth.

Interestingly, the same rocket also carries a competitor’s hardware. Varda Space Industries launched its W-Series 7 capsule on Bandwagon-5, a spacecraft about three times smaller than Starfall that will test whether microgravity can improve the solubility of a cancer drug called Protac. It is Varda’s ninth reentry capsule, and W-8 and W-9 launched earlier this month on Transporter-18. SpaceX has been Varda’s launch provider since the company’s first Falcon 9 rideshare contract in 2021.

SpaceX has not published where or how this Starfall will come down. The preview we ran in June described a recovery from the Pacific Ocean, and the company has not said whether this flight follows the same plan. The launch also arrives hours before SpaceX posts its third quarter results after the market closes, a report we previewed earlier this week.

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The Boring Company’s latest Tesla tunnel truck mod “fits like a glove”

The Boring Company has modified a Tesla powered tunnel truck to carry freight containers underground.

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The Boring Company has found a second job for the Tesla hardware it already runs underground. In a post on X, Elon Musk’s tunneling company showed its latest Prufrock Liner Truck modified to carry a standard 20 foot shipping container. “Using TBC tunnels to transport freight,” the company wrote. “The latest Prufrock Liner Truck (using Tesla Model 3 batteries and drive units) has been modified to carry a standard 20′ shipping container. Fits like a glove!”

The photo shows a red container sitting on a long, low white chassis parked outside, with drive hardware visible at one end. The Boring Company did not say where or when freight hauling would start, which customers it has in mind, or how many trucks it is converting.

Until now, the liner trucks have hauled concrete. Teslarati reported in August on Liner Truck 3, which uses Model 3 battery packs and drive units to move more than 22,000 pounds of precast tunnel segments to the boring machine. It has 28 miles of range, tops out at 12 mph, and is piloted remotely from the company’s operations center in Texas. The freight version appears to be the same platform with a different bed, and The Boring Company has not said whether it will also be remotely piloted.

Freight has been on the company’s menu for years. When TBC updated its product lineup in 2021, its freight tunnel was described as sized to fit a standard shipping container, “barely.” The company later used the idea at Tesla’s own factory, where Prufrock 3 dug a tunnel to Giga Texas that now moves finished Cybertrucks away from the production line.

The Boring Company closed a $3 billion Series D in September at a $23 billion valuation, and Teslarati has covered how that money is tied to a UAE tunneling push and a faster Nashville build. In Nashville, Prufrock MB1 and MB2 are mining at the same time, and a third machine is expected to launch in late October. Each machine needs a steady supply of liner trucks, so any design that works for segments and containers alike gives the company more use out of the same Tesla parts.

The Vegas Loop remains the only Boring Company system open to the public, and it moves passengers in Tesla vehicles. A freight service would be a separate product, and the post gave no indication that one is close to launch. For now, it is a truck, a container and a short caption saying they fit together.

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