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SpaceX’s first Super Heavy booster hop “a few months” away, says Elon Musk

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SpaceX CEO Elon Musk says that the first prototype of a Starship booster – known as Super Heavy – could be finished and ready for flight testing just “a few months” from now.

Standing about as tall as an entire two-stage Falcon 9 rocket at 70 meters (230 ft) tip to tail, the Super Heavy booster tasked with getting Starship about a quarter of the way to orbit will unequivocally be the largest rocket stage ever built. Outfitted with up to 28 Raptors capable of producing more than ~7300 metric tons (~16.2 million lbf) of thrust at liftoff, Super Heavy will also be the most powerful rocket ever built, respectively outclassing Saturn V and SpaceX’s own Falcon Heavy by a factor of more than two and three.

While it could be awhile before SpaceX is ready to risk more than two-dozen Raptor engines on a single vehicle, Super Heavy will be able stand on the back of a wealth of experience gained from a full year of Starship production and testing.

As previously discussed on Teslarati, SpaceX has been gradually working on the first Super Heavy booster over the last few months despite a clear primary focus on Starship production and SN8’s high-altitude launch debut. Most recently, the first eight-Raptor thrust structure, a custom common (i.e. shared) tank dome, and an extra-wide transfer tube needed to feed liquid methane through Super Heavy’s liquid oxygen tank were spotted at SpaceX’s Boca Chica, Texas factory.

Some two-dozen of the 31 or 32 Super Heavy BN1 rings remaining are simply waiting to be stacked. (NASASpaceflight – bocachicagal)
Super Heavy BN1’s common dome was recently sleeved with three of those steel rings. (NASASpaceflight – bocachicagal)
Uniquely large methane transfer tubes – likely meant for BN1 – arrived in Texas in November. (NASASpaceflight – bocachicagal)

Aerial photos captured by RGV Aerial Photography on December 22nd also revealed that SpaceX appears to be simultaneously stacking two separate sections of Super Heavy BN1 inside an ~80-meter (~260 ft) tall high bay. While it’s impossible to know exactly where SpaceX stands in the process of assembling what it’s deemed Booster Number 1 (BN1), at least a dozen rings are in the stacking stage with another one or two dozen awaiting their addition to the main booster ‘stack’.

Combined, SpaceX may already have all ~38 of the steel rings it needs to complete Super Heavy BN1 staged around the build site. With BN1’s forward dome already into the stacking process in the high bay and its common dome more or less ready to join it, the only major parts missing are the first Super Heavy engine section and landing legs. It’s not even clear if BN1 will receive the fin-like legs depicted in SpaceX’s official renders, so that engine section is all that truly remains.

To complete what Musk has described as a short hop test powered by as few as two Raptor engines, it’s likely that the first Super Heavy booster will be far closer to a grounded structural test article than something capable of sending a 2000-ton Starship on its way to orbit. It’s even possible that SpaceX will build another test tank to independently stress test Super Heavy’s new engine section and eight-Raptor “thrust puck” before risking some three-dozen steel rings.

Super Heavy’s landing ‘fins’ and massive steel gridfins are visible in this official 2019 render. (SpaceX)

Regardless, if SpaceX really could be ready for Super Heavy’s first hop test within “a few months,” BN1 integration is about to speed up substantially. Stay tuned for updates!

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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Tesla winter weather test: How long does it take to melt 8 inches of snow?

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Credit: Teslarati

In Pennsylvania, we got between 10 and 12 inches of snow over the weekend as a nasty Winter storm ripped through a large portion of the country, bringing snow to some areas and nasty ice storms to others.

I have had a Model Y Performance for the week courtesy of Tesla, which got the car to me last Monday. Today was my last full day with it before I take it back to my local showroom, and with all the accumulation on it, I decided to run a cool little experiment: How long would it take for Tesla’s Defrost feature to melt 8 inches of snow?

Tesla Model Y Performance set for new market entrance in Q1

Tesla’s Defrost feature is one of the best and most underrated that the car has in its arsenal. While every car out there has a defrost setting, Tesla’s can be activated through the Smartphone App and is one of the better-performing systems in my opinion.

It has come in handy a lot through the Fall and Winter, helping clear up my windshield more efficiently while also clearing up more of the front glass than other cars I’ve owned.

The test was simple: don’t touch any of the ice or snow with my ice scraper, and let the car do all the work, no matter how long it took. Of course, it would be quicker to just clear the ice off manually, but I really wanted to see how long it would take.

Tesla Model Y heat pump takes on Model S resistive heating in defrosting showdown

Observations

I started this test at around 10:30 a.m. It was still pretty cloudy and cold out, and I knew the latter portion of the test would get some help from the Sun as it was expected to come out around noon, maybe a little bit after.

I cranked it up and set my iPhone up on a tripod, and activated the Time Lapse feature in the Camera settings.

The rest of the test was sitting and waiting.

It didn’t take long to see some difference. In fact, by the 20-minute mark, there was some notable melting of snow and ice along the sides of the windshield near the A Pillar.

However, this test was not one that was “efficient” in any manner; it took about three hours and 40 minutes to get the snow to a point where I would feel comfortable driving out in public. In no way would I do this normally; I simply wanted to see how it would do with a massive accumulation of snow.

It did well, but in the future, I’ll stick to clearing it off manually and using the Defrost setting for clearing up some ice before the gym in the morning.

Check out the video of the test below:

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Tesla Robotaxi ride-hailing without a Safety Monitor proves to be difficult

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Credit: Grok Imagine

Tesla Robotaxi ride-hailing without a Safety Monitor is proving to be a difficult task, according to some riders who made the journey to Austin to attempt to ride in one of its vehicles that has zero supervision.

Last week, Tesla officially removed Safety Monitors from some — not all — of its Robotaxi vehicles in Austin, Texas, answering skeptics who said the vehicles still needed supervision to operate safely and efficiently.

BREAKING: Tesla launches public Robotaxi rides in Austin with no Safety Monitor

Tesla aimed to remove Safety Monitors before the end of 2025, and it did, but only to company employees. It made the move last week to open the rides to the public, just a couple of weeks late to its original goal, but the accomplishment was impressive, nonetheless.

However, the small number of Robotaxis that are operating without Safety Monitors has proven difficult to hail for a ride. David Moss, who has gained notoriety recently as the person who has traveled over 10,000 miles in his Tesla on Full Self-Driving v14 without any interventions, made it to Austin last week.

He has tried to get a ride in a Safety Monitor-less Robotaxi for the better part of four days, and after 38 attempts, he still has yet to grab one:

Tesla said last week that it was rolling out a controlled test of the Safety Monitor-less Robotaxis. Ashok Elluswamy, who heads the AI program at Tesla, confirmed that the company was “starting with a few unsupervised vehicles mixed in with the broader Robotaxi fleet with Safety Monitors,” and that “the ratio will increase over time.”

This is a good strategy that prioritizes safety and keeps the company’s controlled rollout at the forefront of the Robotaxi rollout.

However, it will be interesting to see how quickly the company can scale these completely monitor-less rides. It has proven to be extremely difficult to get one, but that is understandable considering only a handful of the cars in the entire Austin fleet are operating with no supervision within the vehicle.

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Tesla gives its biggest hint that Full Self-Driving in Europe is imminent

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Credit: BLKMDL3 | X

Tesla has given its biggest hint that Full Self-Driving in Europe is imminent, as a new feature seems to show that the company is preparing for frequent border crossings.

Tesla owner and influencer BLKMDL3, also known as Zack, recently took his Tesla to the border of California and Mexico at Tijuana, and at the international crossing, Full Self-Driving showed an interesting message: “Upcoming country border — FSD (Supervised) will become unavailable.”

Due to regulatory approvals, once a Tesla operating on Full Self-Driving enters a new country, it is required to comply with the laws and regulations that are applicable to that territory. Even if legal, it seems Tesla will shut off FSD temporarily, confirming it is in a location where operation is approved.

This is something that will be extremely important in Europe, as crossing borders there is like crossing states in the U.S.; it’s pretty frequent compared to life in America, Canada, and Mexico.

Tesla has been working to get FSD approved in Europe for several years, and it has been getting close to being able to offer it to owners on the continent. However, it is still working through a lot of the red tape that is necessary for European regulators to approve use of the system on their continent.

This feature seems to be one that would be extremely useful in Europe, considering the fact that crossing borders into other countries is much more frequent than here in the U.S., and would cater to an area where approvals would differ.

Tesla has been testing FSD in Spain, France, England, and other European countries, and plans to continue expanding this effort. European owners have been fighting for a very long time to utilize the functionality, but the red tape has been the biggest bottleneck in the process.

Tesla Europe builds momentum with expanding FSD demos and regional launches

Tesla operates Full Self-Driving in the United States, China, Canada, Mexico, Puerto Rico, Australia, New Zealand, and South Korea.

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