Connect with us

News

Tesla leverages SpaceX welding technique in Model Y components

Credit: MunroLive | SpaceX

Published

on

A recent episode of Sandy Munro’s Tesla Model Y teardown series has revealed that the electric car company utilized friction stir welding (FSW) for the crossover’s thermal management system. The welding technique is commonly used among aerospace companies, like SpaceX, as a way to maintain the strength of aluminum parts while securing a reliable bond between pieces.

Munro’s analysis of the Octovalve coolant system revealed Tesla’s techniques for the revised thermal management portion of the Model Y. Munro discovered the Octovalve on April 4 after digging into the Model Y’s internal build. The new coolant assembly seemed to be a revised version of the Model 3’s “Superbottle,” which served as the heart of the sedan’s thermal management system.

A car’s thermal management apparatus is responsible for controlling and maintaining proper temperatures in critical portions of the vehicle. In the case of the Model Y, the Octovalve is responsible for motor, battery, and cabin cooling, according to Munro. The Detroit auto veteran said that typically, these systems should not be cooling the cabin if they are controlling battery or motor temperature. The thermal management system in the Model Y seems to be controlling the cabin, the battery, the electronics, and the motor nonetheless.

The Friction Stir Welding (FSW) is visible on the outside edges. (Credit: YouTube | MunroLive)

The Octovalve seems to be a state-of-the-art system as it uses, “some clever little ball valves that open and close to make sure that everything’s getting heated or everything’s being cooled to where it needs to be,” Munro said.

With the assembly overlooking the temperature for these many parts of the vehicle, the system is subjected to drastic and sharp temperature changes. Over time, the difference between heat and cold can begin to weaken portions of the car part, especially if it was exposed to excessive temperatures during manufacturing. This is where some SpaceX-grade solutions come into play.

Tesla chose to utilize friction stir welding for its aluminum portions of the coolant assembly. “This is a cool way of putting two parts of aluminum together, some other materials as well, but aluminum is kind of the most suited for it. And in essence, what happens is you have a stylus that spins around very very quickly. It pokes through the two pieces of metal that you want to friction stir weld. Then, it goes around the outside edge, and what it does is it uses the plastic state or thixotropic state of the aluminum to bind it together,” Munro said.

Advertisement

Simply put, the process allows aluminum to reach a temperature that allows two pieces of metal to come together with a strong bond, but it never turns the metal into a soft, liquid-like state. “It’s like soft butter, butter that you could see is firm, but you could cut it with a knife.”

The advantage of using this process is that the heat from the welding process only applies to the outer edges of the metal. The additional material that is not bonded to anything does not see the heat and is not weakened by the welding process. Stir welding is also time effective as it can be completed in a short period, but it is a careful process that does not apply unneeded stress upon the rest of the assembly.

Circumferential friction stir welding machine (FSW) being used on Falcon 9. (Credit: SpaceX)

SpaceX uses friction stir welding for its rockets, as it increases strength by exposing only the bonded portions of two pieces of metal to each other. Friction stir welding was used by SpaceX back in 2008 when the company was combining barrel sections of the Falcon 9’s second stage. “The FSW joins metal without flames, sparking, inert gasses, or fumes, and produces a far superior weld in aluminum-lithium alloys as compared to traditional methods,” SpaceX said in a news update.

In the spirit of humor, Tesla and Elon Musk saw the Octovalve as a perfect opportunity to not only improve the performance of the vehicle temperature regulation system but also as an appropriate time to sprinkle in some additional humor in the form of an Easter Egg. The Model 3 donned a cape-wearing bottle-figured superhero for its “Superbottle” system, while the Model Y includes a snowflake-stamped Octopus as an Easter Egg.

Tesla has increased the effectiveness of its thermal management with the introduction of the Model Y’s Octovalve system. Elon Musk stated that it was some of the best engineering he had ever seen. The welding process could increase the longevity of the machine through its lack of exposure to excessive heat and stress during manufacturing.

Watch Munro’s video on the Model Y’s Octovalve welding below.

Advertisement

Joey has been a journalist covering electric mobility at TESLARATI since August 2019. In his spare time, Joey is playing golf, watching MMA, or cheering on any of his favorite sports teams, including the Baltimore Ravens and Orioles, Miami Heat, Washington Capitals, and Penn State Nittany Lions. You can get in touch with joey at joey@teslarati.com. He is also on X @KlenderJoey. If you're looking for great Tesla accessories, check out shop.teslarati.com

Advertisement
Comments

Investor's Corner

LIVE BLOG: Tesla (TSLA) Q2 2025 earnings call updates

The following are live updates from Tesla’s Q2 2025 earnings call.

Published

on

Credit: Tesla

Tesla’s (NASDAQ:TSLA) earnings call comes on the heels of the company’s Q2 2025 update letter, which was released after the closing bell on July 23, 2025.

Tesla’s Q1 2025 Results: 

Total Revenues: $22.5 billion

Total automotive revenues: $16.7 billion

Total GAAP gross margin: 17.2%

Gross Profit: $3.88 billion

Advertisement

EPS non-GAAP: $0.40 per share

The following are live updates from Tesla’s Q2 2025 earnings call. I will be updating this article in real time, so please keep refreshing the page to view the latest updates on this story.

16:22 CT – Good day to everyone, and welcome to another Tesla earnings call live blog. Tesla had a pretty big quarter, and while the company’s vehicle deliveries are still down year-over-year, the Robotaxi pilot has been launched in Austin.

Now to see if this earnings call starts on time. Interestingly enough, the EV maker has not posted a link to its Q2 2025 earnings call livestream on its official @Tesla X account yet.

16:26 CT – The earnings call’s livestream on YouTube, however, is up:

Advertisement

16:28 CT – I wonder which Elon we will get on today’s earnings call? Will be get super locked-in Elon, serious Elon, or lighthearted Elon? Whichever Elon we get, TSLA stock will probably show some reaction in after-hours trading.

16:30 CT – Travis Axelrod of Tesla’s Investor Relations team opens the call. He states that Tesla CEO Elon Musk and other executives are present. And, here’s Elon’s opening remarks.

16:33 CT – Elon opens with the launch of Tesla’s Robotaxi service in Austin, which has gotten “bigger and longer” over the past few weeks. He stated that the service area for Robotaxi services in Austin will get even bigger and longer soon. He mentions the Robotaxi service’s expansion to the Bay Area, Arizona, and Florida in the coming months.

“I think we’ll have Robotaxi in half the population of the US by the end of the year?” Musk said, highlighting that this is subject to regulatory approval. He added that Tesla is expanding its Robotaxi service cautiously.

16:35 CT – Elon noted that the Model Y became the best-selling car in several countries in n Türkiye, Netherlands, Switzerland and Austria in June. This was despite the Model Y selling in these countries without its killer feature–FSD. Despite the regulatory challenges, Elon noted that Tesla will get these approvals, and he is hoping that some areas in Europe should experience FSD in the coming months. “It really is the single biggest demand driver,” Musk said.

Advertisement

16:37 CT – Elon also mentioned the launch of the Tesla Diner. “This is a very special diner,” Musk said, stating that the facility is a “shining beacon of hope.” He joked that it is rare that a diner makes the news, but the newly launched restaurant is quite something.

On the other hand, Elon noted that Tesla is making significant improvements to its FSD software, and that the company could probably 10X the parameter count from what users are currently experiencing.

16:43 CT – The CEO also highlghted the growth of Tesla Energy, which he noted was a “really big deal.” As for Optimus, Musk stated that the humanoid robot is in its current second generation. Its third generation will be “exquisite,” the CEO noted.

“Tesla is by far the best in the world in real-world AI,” Musk said. He threw some shade at Waymo as well, stating that while Google is good at AI, the tech giant is not as good in real-world AI applications. All those years producing and designing cars matter.

“Tesla has the highest intelligence density in AI so far,” Musk said. “Intelligence density will be a very big deal in the future.”

Advertisement

16:46 CT – Musk stated that Tesla will probably see prototypes of Optimus Version 3 this year, and scale production next year. Tesla will be ramping these initiatives as fast as possible, considering the company’s aspirations to produce millions of Optimus robots per year. Musk believes that a rate of 1 million Optimus robots per year is feasible within five years.

“We’re not always on time, but we get it done,” Musk said, referencing the company’s tendency to make the impossible feel late. He also reiterated the idea that Tesla can be the omst valuable company in the world if it executes very well.

16:50 CT – Tesla CFO Vaibhav Taneja mentioned the company’s milestone of delivering a car autonomously to a customer for the first time in Q2. He also mentioned the effects of the Trump administration’s regulatory changes for electric vehicles.

He mentioned that Tesla is seeing more test drives, and the company did start the production of more affordable cars in the first half of the year, with volume production planned for the second half of the year.

16:55 CT – Investor questions begin with an inquiry about Tesla Robotaxis. Tesla noted that it expects to 10X its current operation in the coming months. The Bay Area is next, and Tesla is looking to expeedite the service’s approval.

Advertisement

As for technical and regulatory hurdles for Unsupervised FSD, Elon Musk stated that he believes the feature should be available in a number of cities by the end of the year. Tesla, however, is being extremely paranoid about safety, so Unsupervised FSD’s rollout will be very, very cautious. Also, Tesla vehicles from Fremont could deliver themselves to customers autonomously by the end of the year.

16:58 CT – A question about Optimus was asked. Elon noted that Optimus V3 is the right design for the humanoid robot, since it has all the degrees of freedom necessary to ensure that it can do tasks very well. He also set expectations on Optimus’ ramp.

“If we are not making 100,000 OPtimus robots per month in 60 months, I will be shocked,” Musk said.

Another question was asked about Tesla’s affordable model. Tesla noted that production did start in the first half of 2025, and a ramp is expected in the remaining months of the year. As for Tesla investing in xAI, the CFO noted that this earnings call is not the right venue to discuss such matters.

17:07 CT – Elon Musk admitted that he is creating another Master Plan. He reiterated the idea that the future of Tesla is exciting, and the company has the potential to change the world.

Advertisement

An investor question about HW3 vehicle was asked. Tesla noted that it is focused on rolling out Unsupervised FSD to HW4 cars first, then go back to see what can be done with HW3 cars.

As for how the Trump administration’s regulations could affect Megapack sales, Tesla noted that it still believes solar and battery projects should still see growth. “We’re forecasting a very strong second half of the year,” the company noted. Tesla is expected to launch its third Megafactory in Houston next year.

17:11 CT – Analyst questions begin. The analyst asks if Tesla could share KPIs on Tesla’s Robotaxi rollout. Tesla noted that it only has a handful of vehicles for now, but the company has more than 7,000 driverless miles in Austin so far. Elon also emphasized that the Robotaxi service is designed for maximum comfort and safety, and that the Cybercab is designed to be optimal when it comes to cost. “Cost per mile for the Cybercab will be little,” Musk said.

“Tesla Roboatxi fleet will go from tiny to gigantic in probably a very short period of time,” Musk added.

17:15 CT – Adam Jonas of Morgan Stanley asked if Elon is comfortable with having just 13% control of Tesla. Elon Musk admitted that this is a major concern for him, and he is hoping that the topic could be discsused in the upcoming annual shareholder meeting.

Advertisement

Elon joked that he wants to have enough control in Tesla that he cannot be ousted by activist investors, but not tool large that he cannot be removed, just in case he goes crazy. He reiterated the idea that he would be joined by several Optimus robots onstage at the upcoming annual shareholder meeting.

17:21 CT – Barclays asks Elon about the idea of putting non-Tesla vehicles being put in the Robotaxi network. Elon admitted that Tesla has really not thought about it much, though the company is extremetly focused on safety.

Goldman Sachs asked if Tesla could comment on FSD subscription trends. Tesla noted that since FSD V12 was launched in North America, there has been a notable improvement in consumer adoption. When asked if more price adjustments for FSD should be expected, Elon noted that Tesla is in a transition period in the United States. He admitted that Tesla could have a few rough quarters, but once autonomy is at scale, he would be surprised if Tesla’s economics are not compelling.

17:29 CT – Truist asked about Tesla’s more affordable models and any updates on what it would look like. Elon Musk joked that it would just look like the Model Y. He also noted that people desire Teslas, but the cars are still not affordable enough.

When asked about xAI and Tesla, Elon Musk explained that the two companies are very different. He noted that there are also some people that like to work in xAI but not Tesla, and vice versa. Would they like to work on superintelligence, or real-world AI? Both are compelling endeavors.

Advertisement

17:30 CT – And that wraps up Tesla’s second quarter 2025 earnings call! Thank you so much for following along as we covered this event. Until the next time!

Continue Reading

Investor's Corner

Tesla (TSLA) Q2 2025 earnings results

Tesla posted total revenues of $22.496 billion and non-GAAP EPS of $0.40 per share.

Published

on

Credit: Tesla

Tesla (NASDAQ:TSLA) has released its Q2 2025 earnings results in an update letter. The document was posted on the electric vehicle maker’s official Investor Relations website after markets closed today, July 23, 2025. 

Tesla’s Q2 earnings come on the heels of a quarter where the company produced over 410,000 vehicles, delivered over 384,000 vehicles, and deployed 9.6 GWh of energy storage products. The second quarter also saw the launch of the Roboaxi service’s pilot program in Austin, a notable step forward for the company’s self-driving program.

Tesla’s Q2 2025 earnings in a nutshell


As could be seen in Tesla’s Q2 2025 update letter, the company posted GAAP EPS of $0.33 and non-GAAP EPS of $0.40 per share. Tesla also posted total revenues of $22.496 billion.

In comparison, Wall Street expected Tesla to post earnings per share of $0.39, down 25% from a year ago. Tesla’s revenue is forecasted to fall 13% to $22.19 billion, and analysts also expect the electric vehicle maker to post lower margins this quarter.

Tesla’s other Q2 metrics

For the second quarter, Tesla’s total revenue decreased 12% YoY to $22.5B. Operating income also decreased 42% YoY to $0.9B, resulting in a 4.1% operating margin. Tesla still has a strong war chest, as the company’s quarter-end cash, cash equivalents and investments was $36.8B.

Advertisement

Product Plans

Tesla noted in its Q2 2025 update letter that the company remains focused on “prudently growing our vehicle volumes in a capex efficient manner by using our existing vehicle production capacity before building new lines.” Still, Tesla noted that plans for new vehicles that will launch in 2025 remain on track, including initial production of a more affordable model in 1H25.

Tesla also reiterated that the Cybercab will be produced using the company’s upcoming “Unboxed” manufacturing process. Volume production of the Cybercab is expected to start sometime in 2026.

Below is Tesla’s Q2 2025 update letter:

TSLA-Q2-2025-Update by Simon Alvarez on Scribd

Continue Reading

News

Elon Musk reveals big plans for Tesla Optimus at the Supercharger Diner

Will Optimus deliver my Tesla Club on roller skates? I’m hopeful.

Published

on

Credit: Elon Musk | X

Elon Musk revealed on X on Wednesday that Tesla Optimus will soon be getting a job at the Supercharger Diner in Los Angeles, and its role will be right on par with what we believed the humanoid bot would be perfect for.

While Optimus was spotted serving popcorn at the Diner on Monday as it opened for the first time, that’s its only job, at least for now. Musk said Optimus will be getting a promotion in 2026, and it will be a food runner, bringing your order straight to your car, eliminating the need to go inside yourself.

It will complete what Tesla hopes is a full-fledged 50s diner experience, curated by the imagination of the future. In the 1950s, drive-in diners were a common hangout to grab a bite and watch a movie. Tesla opened its Supercharger Diner in Los Angeles earlier this week, but it has a futuristic twist to it.

You can order food directly from your car, sync your center touchscreen and speakers to the two massive projection screens that Tesla is playing movie scenes on at the Diner, and even go inside for a true break from your car.

Next year, Tesla will take it a step further, Musk confirmed:

The Diner features 80 Superchargers that can be used by both Tesla and non-Tesla EVs, provided that the manufacturer of the electric car has access to the company’s robust network. It is also available to non-EV owners, as they can park their cars and stop in for a quick bite to eat.

Tesla’s full menu at the Diner is available here, and its focus for the restaurant was to provide healthier options by sourcing most of its food from local, organic, and humane farms:

Optimus’s capabilities seem to be progressing to a point where Tesla feels confident that the humanoid robot can handle carrying food and delivering it to customers at their cars. Whether it will be put on roller skates is another question, but we’re hopeful Optimus can do it when it gets its promotion next year.

Continue Reading

Trending