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SpaceX operational astronaut launch debut back on track after “nail polish” delay
In a new NASA briefing, SpaceX vice president of build and flight reliability Hans Koenigsmann was able to explain in far more detail why a recent last-second Falcon 9 launch abort happened and how it wound up delaying the company’s first operational astronaut launch.
Now scheduled to lift off no earlier than (NET) 7:49 pm EST (00:49 UTC) on Saturday, November 14th, SpaceX’s Crew Dragon Crew-1 mission was originally expected to launch in late September, October 23rd, and October 31st. On October 2nd, however, a new Falcon 9 booster – sibling to Crew-1’s own new booster – automatically aborted its GPS III SV04 satellite launch attempt just two seconds before liftoff. The rare last-second abort was quickly blamed on “unexpected pressure rise in the turbomachinery gas generator” by CEO Elon Musk.
Likely built side-by-side with faulty GPS III SV04 Falcon 9 booster B1062 at SpaceX’s Hawthorne, California factory, Crew-1 Falcon 9 booster B1061 was almost immediately inspected to search for any commonality once the cause of the abort was better understood.
Just one week before the latest briefing, NASA human spaceflight program administrator and former Commercial Crew Program manager Kathy Lueders revealed in a statement on Twitter that SpaceX was still analyzing the cause of the abort but had already determined that at least one Crew-1 booster engine would need to be replaced, as well as one engine on Falcon 9 booster B1063.
Now, during NASA’s October 28th Crew-1 briefing, SpaceX’s Koenigsmann revealed that the company had ultimately decided to replace not one but two of Crew-1 booster B1061’s nine Merlin 1D engines. Thanks to Falcon 9’s namesake nine-engine booster design and SpaceX’s prolific rocket factory, that process was completed extraordinarily quickly, simply requiring the redirection of already qualified Merlin 1D engines from a fairly large pool. Based on Koenigsmann’s phrasing, SpaceX has already installed both replacement engines on the Crew-1 booster.
What, though, caused GPS III SV04’s launch abort and how did that affect Crew-1?
Rocket engine vs. “nail polish”
According to Koenigsmann, in the course of the rapid and complex mechanical and electrical ballet preceding Falcon 9 first stage ignition, the rocket’s autonomous flight computer observed that two of the GPS III SV04 booster’s nine Merlin 1D engines appeared to be running ahead of schedule, so to speak. The computer immediately halted the ignition process to avoid what could have otherwise been a “hard” (i.e. stressful or damaging) start. SpaceX quickly began inspecting the rocket within 24 hours but was unable to detect anything physically or electrically wrong with Falcon 9’s Merlin 1D engines and engine section.
Out of an abundance of caution, SpaceX removed both misbehaving engines and shipped them to its McGregor, Texas development and test facilities where – somewhat miraculously – the same premature startup behavior was replicated on the test stand. After a great deal of increasingly granular inspections, SpaceX finally narrowed the likely cause down to a tiny plumbing line feeding one of the engine’s gas generator relief valves. In a seemingly random subset of relatively new Merlin 1D engines, SpaceX eventually discovered that a supplier-provided relief valve line was sometimes clogged by a protective lacquer Koenigsmann likened to “red nail polish.”
Used to selectively exclude parts of the engine tubing during a surface finishing process known as anodization, the lacquer was either unsuccessfully removed on a random selection of engine parts or was accidentally channeled into a blockage by over-enthusiastic cleaning. Ultimately, for whatever, reason that miniscule blockage was enough to cause affected Merlin 1D engines to consistently attempt to ignite a tiny fraction of a second early.
Crucially, when SpaceX discovered the possible cause and cleaned out the blocked plumbing, each previously affected Merlin 1D engine performed perfectly, all but directly confirming both the cause and the cure for Falcon 9’s October 2nd abort.
Astronauts enter quarantine
In anticipation of SpaceX seemingly simple solution to the gas generator problem, NASA Commercial Crew Program manager Steve Stich revealed that SpaceX’s Crew-1 mission astronauts – Shannon Walker, Victor Glover, and Mike Hopkins, and JAXA (Japanese) astronaut Soichi Noguchi – had begun routine prelaunch quarantine procedures in anticipation of a November 14th launch.
Stich also offered a more specific Crew-1 schedule, beginning with an integrated Falcon 9 and Crew Dragon static fire test NET November 9th and a full dry dress rehearsal on November 11th before the first launch attempt on November 14th. Notably, thanks to coincidental orbital dynamics, a successful launch on November 14th would enable Crew Dragon to raise its orbit and rendezvous with the International Space Station a brisk eight and a half hours after liftoff – three times quicker than the more common 27.5-hour transit.
Stay tuned for updates as the mission’s launch date approaches.
News
Tesla races strange, compact Model Y on Fremont Test Track: affordable model?
Tesla was zipping around a strange, covered, compact Model Y at Fremont this week.
Tesla was racing a compact, short, and stocky Model Y with front and rear end covers around its Fremont Factory’s test track today, potentially giving us a look at the upcoming affordable model.
On Thursday, Met God in the Wilderness on YouTube posted a flyover of the Fremont Factory, a weekly occurrence for the channel. This week’s video featured a smaller, more compact Model Y racing around the Test Track at Fremont, trailed by a Cybertruck:
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- Credit: Met God in Wilderness | YouTube
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- Credit: Met God in Wilderness | YouTube
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- Credit: Met God in Wilderness | YouTube
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- Credit: Met God in Wilderness | YouTube
While both bumpers are covered, it still seems to be a much more compact version of the Model Y. There is also the potential that this is the upcoming Model Y Performance, but it seems that this vehicle is smaller than the traditional Model Y. Tesla would not reduce its size this much for the Performance configuration.
With that, it seems more likely it is one of the affordable models.
Tesla still on track to release more affordable models in 1H25
It also plays into the idea that Tesla is planning to launch vehicles very similar to the Model Y and Model 3. During the last Earnings Call, Tesla VP of Vehicle Engineering Lars Moravy stated that the affordable models the company planned to launch would be of the same form and factor as the Model Y, indicating potentially a stripped-down version of the all-electric crossover:
“I will say it’s important to emphasize that, as we’ve said all along, the full utilization of our factories is the primary goal for these new products. And so flexibility of what we can do within the form factor and, you know, the design of it is really limited to what we can do on our existing lines rather than building new ones.”
This was essentially a read-between-the-lines moment for investors as they took it as the affordable models would not be much different than the Model Y.
This vehicle seems to fit the bill of what Moravy described: it is eerily similar to the Model Y without the lengthened front and rear. While it is still tough to determine exactly what it is, it surely does look to be something that Tesla is keeping under wraps for the short term.
Elon Musk
Teslas will self-deliver to customers, Elon Musk says: here’s when
Teslas will soon drive themselves to customers, Elon Musk says
Tesla CEO Elon Musk has an extremely busy month for himself and his company in June if all goes according to plan.
Not only is Tesla planning to launch its Robotaxi platform in Austin, Texas, next month, but Musk is also now indicating that Teslas will self-deliver to customers in June as well.
Musk has said for some time that Tesla vehicles would soon be capable of driving to customers without a driver within the car. Initially, it seemed like the company would do this in the areas close to its U.S. factories – the Greater Austin, Texas, area, and potentially in Northern California’s Bay Area of San Francisco, where the company’s Fremont Factory operates.
Upon confirmation that Tesla has been testing driverless Robotaxi rides in Austin for the past several days, Musk brought forth a new detail that fans of the company will love to hear: Teslas will soon drive themselves to customers, eliminating the need for trips to the showroom for delivery.
How soon? Musk says next month:
For the past several days, Tesla has been testing self-driving Model Y cars (no one in driver’s seat) on Austin public streets with no incidents.
A month ahead of schedule.
Next month, first self-delivery from factory to customer.
— Elon Musk (@elonmusk) May 29, 2025
There is no doubt that the bigger news within Musk’s X post is that it is on track for the launch of the Robotaxi platform. Tesla has been touting its prowess in self-driving for several years. As other companies have executed, Tesla has taken a more unorthodox approach by utilizing only cameras and being much more reserved with its rollout of driverless software.
While Full Self-Driving is consistently ranked at the top of the current Advanced Driver Assistance Systems (ADAS), it is not fully autonomous. That is set to change, and not only will it yield the results of what will hopefully be a successful Robotaxi fleet, but also a vehicle delivery process that makes buying a vehicle more convenient than it already is from Tesla, with no hassle, no dealership jargon, and no negotiating.
The launch of the Robotaxi platform is set for Austin on June 12, according to Bloomberg, where roughly 10 Model Y SUVs will make their way around the city initially. Tesla will expand as safety is proven, which is the utmost priority.
Musk also said later on X that people should be able to fly to Austin and hail a Robotaxi by the end of June.
Elon Musk
Tesla lands on date for Robotaxi launch in Austin: report
Tesla has reportedly landed on a tentative date to launch the Robotaxi platform in Austin.
Tesla has reportedly landed on a set date for its launch of the Robotaxi platform in Austin, Texas.
Bloomberg is reporting that Tesla has discussed June 12 internally, and there is still the potential for it to change.
The date comes after Tesla tested the driverless ride-sharing platform on public roads in Austin, and has been for several weeks. The report said that Tesla started doing it this week, and CEO Elon Musk confirmed on X by saying:
“For the past several days, Tesla has been testing self-driving Model Y cars (no one in driver’s seat) on Austin public streets with no incidents.”
The report indicates a person was in the vehicle, but not in the driver’s seat. Instead, a Tesla engineer sat in the passenger seat of a Model Y, “which drove autonomously with no remote operation.”
Tesla set for ‘golden age of autonomous’ as Robotaxi nears, ‘dark chapter’ ends: Wedbush
The testing has successfully gone on a month ahead of the company’s deadline of June 30.
Currently, Tesla’s plans for the initial rollout of the suite are extremely limited. There will only be ten vehicles at first, and the riders will be invited by the company. This is an effort that puts safety at the forefront of this trial period, and will expand as time goes on.
It could be sooner than expected, as Musk also said that anyone would likely be able to visit Austin and take a ride in the Robotaxi by the end of June.
For the past several days, Tesla has been testing self-driving Model Y cars (no one in driver’s seat) on Austin public streets with no incidents.
A month ahead of schedule.
Next month, first self-delivery from factory to customer.
— Elon Musk (@elonmusk) May 29, 2025
The report and subsequent announcement come after many media outlets reported Tesla was not testing Robotaxi in any capacity. Some had even considered the project a total failure even before the June launch date, a typical tone most media take with the company.
Tesla Robotaxi deemed a total failure by media — even though it hasn’t been released
Tesla has not been great at meeting its own timelines, but it has been adamant that it would reach this June deadline for several months.
Now that it appears Tesla is at an all-systems-go mentality for the Robotaxi launch, it will be interesting to see how quickly it can expand from its initial testing.
Shares are up just over 1.3 percent as of 10:30 a.m. on the East Coast. They are up 24 percent over the past 30 days, and down just 4.5 percent for the year so far.
The Robotaxi fleet will help to bolster Tesla’s position as a leader in autonomy, something it has already essentially achieved through its successful operation of the Supervised Full Self-Driving suite.
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