By now, all the Tesla fans who frequent this site have seen the pictures of the steering yoke on the refreshed Model S. It’s similar in shape to the steering yokes on airplanes. Of course, nobody thinks that the refreshed Model S can fly so there’s no indication that pushing forward on the Model S yoke will make the nose of the Tesla point downward or that pulling back on the yoke will make the nose of the Tesla point upward. That sort of thing is strictly for airplanes.
There’s a reason that steering wheels on cars are round, or nearly round. That reason is that in tight spaces, you sometimes need to turn the wheel more than 180 degrees in order to make the front wheels get all the way to the left or to the right. This is a leftover from when cars sometimes came without power steering. For those of you old enough to remember that long ago time, parking without power steering was a bit more work than we wanted to do. There was more mechanical advantage, and thus less force required, to turn the wheel all the way to the stop if the amount you had to turn the wheel was more than 180 degrees. In order to do that, you had to go hand over hand, and it was helpful if the rim of the steering wheel was pretty much in the same place no matter where the front wheels of the car was facing because when you’re looking out the rear window of the car, you can’t keep track of where the rim of the steering wheel happens to be.
So I started thinking about how Tesla could deal with issues like this now that they’re putting the yoke steering on the Model S. I’d have dropped this essay a week ago if I’d been able to figure it out, but I was unable. Today, I decided to consult the Oracle of YouTube to get an answer. The trouble with consulting YouTube is that some of the people who put up videos aren’t any smarter than I am. I checked out a few of those videos. One had a guy who put a model of a yoke on his regular steering wheel and tried to steer with just that part of the wheel. He could, but it didn’t tell me anything about what the engineers at Tesla were probably thinking. Another guy actually used a hacksaw on his steering wheel to make it into a yoke. He could steer, but that was also not enlightening. Finally, I found a YouTube video that gave a theory that I could get behind.
To me, a steering yoke makes sense only if you don’t need to turn the yoke any more than ninety degrees in either direction, just the way it is in an airplane. That way, there’s no hand-over-hand movement when you’re not looking at the steering wheel. I was stumped by this because steering would be too quick at highway speeds. There are already collisions when someone jerks the steering wheel too hard. These would be more frequent if the steering was so sensitive to slight movements.
The video gives the answer. What you don’t see in the pictures of the yoke steering are pictures of the steering mechanism. Now remember, the person who made this video is theorizing. I’m writing about the video because I believe his theory is correct. The person who made the video goes by the moniker, TenXchange.
Here’s the theory. Tesla is eliminating the traditional rack and pinion steering in which the steering wheel is physically connected to the steering mechanism by a stiff rod. Instead, the steering yoke is electrically connected to the steering mechanism, a steer-by-wire system. That’s helpful for two reasons.
First, there can be a variable steering ratio. When you’re going fast, on the highway, steering the car is less sensitive so a quick jerk on the wheel will make your car point in the direction you want to go, but it won’t send the car into an uncontrolled skid. When you’re going slow, and parking the car, you won’t need to turn the yoke very far to get the wheels in the direction you want them to go, and you won’t need all that hand-over-hand motion of the steering wheel to get the car parked. In between, on city streets when you’re not going as fast, the steering ratio can be more sensitive than on the highway but less sensitive than when parking.
The second reason for having steer-by-wire according to TenXchange is that there will come a time when your Tesla with FSD will actually be autonomous. You may want to send your car out to work as a taxi for you while you stay home and do something else, or you might just want your car to be your chauffeur while you do something else besides driving. I have to say that even though I paid for FSD when I bought my Tesla a year or so ago, I’ll be surprised if this happens in my lifetime. Anyway, if actual FSD does come to pass, and if my car is a much safer driver than most human beings, then I wouldn’t want a human being to be able to take over the driving by just turning the steering wheel or tapping the brake. That could cause an accident.
My car won’t ever have steer by wire or brake by wire since it doesn’t have those things now, and I doubt that Elon Musk is going to recall half a million Teslas with FSD in order to convert them to steer-by-wire and brake-by-wire. But the newer cars, the ones with yoke steering, may well have those features.
There has been extensive reporting on what the long-anticipated affordable EV option would become, and we’ve seen numerous news stories mentioning that it was delayed or even arriving on time. The executive team revealed the near-term and long-term plans for Tesla’s upcoming vehicles, and there’s definitely good news to share here.
Updated Timeline
The most important piece of news is that despite all the talk of delays from supposed inside sources, Tesla has confirmed that the plan for its more affordable model remains on schedule for production to begin in the first half of 2025. Tesla’s executive team narrowed that timeline down further - and said that they expect production to kick off as soon as June and that the new model will be in the market shortly thereafter.
While the production timeline itself is on track, Tesla did note that the subsequent ramping process will likely be slower than initially hoped, citing global tariff and financial impacts as challenges to overcome to prepare its production lines.
Hybrid Production Approach
Tesla has once again confirmed that this will not be their next-generation vehicle, built using new production methods. Instead, they outlined a relatively more pragmatic approach for this new model.
Tesla will utilize aspects of both the next-generation platform as well as some parts of its current platforms (namely the Model 3 and Model Y). This means that Tesla will produce this new vehicle on the same manufacturing lines as the Model 3 and Model Y.
This strategy allows Tesla to bring the vehicle to the market more quickly, while also managing capital expenditures more efficiently by using existing infrastructure. However, Tesla’s executive team also noted that this approach, while faster, will result in fewer cost reductions than what might have been achieved with an entirely new platform and dedicated manufacturing process.
Vehicle Design
Using these existing production lines means that Tesla’s new vehicle will likely share some considerable similarities with either the existing Model 3 or Model Y. Rather than being a radically different and smaller vehicle, this new model will resemble the overall form factor and shape of Tesla’s current core offerings, while being optimized for a lower cost.
This doesn’t mean that Tesla is forgetting the overall goal here. Their ultimate goal is to reduce the initial cost of ownership and lower monthly payments for customers while maintaining a standard of excellence and safety.
Not Unboxed
Both at this Earnings Call and previous ones, Tesla has indicated that this new vehicle will not be using the innovative unboxed assembly method, at least for the time being. That relatively unique method will be developed and implemented specifically for the purpose-built Cybercab and for future vehicles on the next-generation platform.
We’re just a few days away from May, so it won’t be long before we see more about this upcoming vehicle. Stay tuned.
In a follow-up move to the current US administration’s goals to introduce a federal framework for autonomous vehicles, the US Department of Transportation (USDOT) is loosening autonomy restrictions following an announcement from Secretary Sean Duffy on X. This new initiative helps streamline complex regulatory processes and foster home-grown innovation.
From the Wright Brothers to the first astronauts on the moon, our nation has always been at the forefront of transportation technology.
That’s why today we're unveiling a new Automated Vehicle Framework from @USDOT’s Innovation Agenda ⬇️ ⬇️ pic.twitter.com/W3kbMUwQSn
As part of the broader upcoming USDOT Innovation Agenda, the newly unveiled AV Framework is designed to promote American innovation and strengthen domestic engineering while maintaining existing safety standards. The framework centers around three key principles:
Prioritize Safety
Unleash Innovation
Enable Commercial Deployment
To kickstart this AV framework, USDOT announced two initial steps focused on streamlining processes and expanding opportunities.
Crash Reporting Requirements
Under the first principle to Prioritize Safety, the National Highway Traffic and Safety Administration (NHTSA) will maintain its Standing General Order requiring crash reporting on Advanced and Automated Driver Assistance Systems (ADAS and ADS).
However, the reporting process will be streamlined following feedback from AV innovators, likely including Tesla. The goal here is to focus on collecting critical safety information while removing unnecessary or duplicative items from the reporting process, thereby reducing the burden without compromising safety.
Cutting Red Tape
Directly tied to the second principle of Unleash Innovation, the framework also seeks to slash red tape. The first step here is the expansion of the Automated Vehicle Exemption Program, or AVEP. This program allows manufacturers to petition for temporary exemptions from certain federal motor vehicle safety standards (FMVSS) for testing or deployment purposes.
Previously, the standard excluded domestically produced vehicles. Now, domestically produced AVs will not need to meet FMVSS, which will broaden the scope for manufacturers to test more innovative and unique designs and technologies.
Single National Standard for AVs
Finally, tied to the third principle of Enable Commerical Development, USDOT intends to move the United States closer to a single national standard for autonomous vehicles. This aims to prevent a confusing and inefficient patchwork of state-level or city-level laws and regulations, which can create hurdles for companies attempting to innovate, deploy, and scale their technology.
A unified standard across the United States also means that Canada and Mexico will likely be able to follow, as they share homologization standards across North America, including for vehicle crash safety and some autonomy regulations.
What This Means for Tesla
These framework changes will likely have a substantial impact on Tesla. The move towards a national standard is potentially the most impactful change, as Tesla identified regulatory hurdles as one of the most significant challenges it will face with the deployment of both Unsupervised FSD and its Robotaxi network.
The reduction of FMVSS requirements and streamlined reporting will likely play a role in the future as well. The FMVSS requirements are probably already being worked on, if not already met, by the Cybercab and other vehicles in Tesla’s lineup.
Meanwhile, the streamlined reporting will be helpful once Tesla officially launches its Robotaxi network in June.
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