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’s been a spade of Cybertruck announcements that just came up all at once, so let’s see what the polygonal truck is up to in the month of November. We’ve got a variety of topics to cover, starting with some disappointing news about Tesla’s in-house wrapping services, which are being discontinued for the Cybertruck. But don’t worry — there’s plenty of good news to follow.
No More Tesla Wraps
Tesla no longer offers wraps for the Cybertruck as an option for US customers. Tesla began wrapping vehicles earlier this year but stopped offering wraps for the Cybertruck as of November 13th.
This comes after Tesla previously reduced the color options for Cybertruck wraps from seven to five. However, this isn’t too big of an issue—there are plenty of companies that specialize in vehicle wraps.
The reason Tesla stopped offering wrap services for the Cybertruck isn’t clear. Was there not enough demand? Did it take up too much time from technicians who are already stretched thin?
Given the long repair backlogs in the United States, it makes more sense to have service technicians focus on vehicle repairs rather than spending time wrapping cars.
Inventory Foundation Series
The Cybertruck Foundation Series is now available as an inventory vehicle in certain locations in the United States. That means you can pick up a Foundation-series truck with little to no delay.
Only a few trucks are currently in stock, but this will likely expand as Tesla continues to ramp production and begins to offer the non-Foundation Series trucks as inventory vehicles.
These inventory vehicles are only available in the United States. Canadian owners will still need to put down a deposit for a Foundation Series Cybertruck to get it soon.
Crossbars
Tesla has just announced it is offering a new set of crossbars for the Cybertruck. With a load rating of 200 lbs, it’s on par with roof racks for other trucks. These crossbars also come with mounting pads and quick releases. There are also slots for attaching ski racks, bike racks, or even cargo boxes, letting owners expand the truck's storage capacity.
Interestingly, the Foundation Series trucks can install the crossbars over the cabin or the truck bed, while the non-Foundation Series can only mount the crossbars over the truck bed. That isn’t the greatest news - because one of the best uses for these crossbars is protecting the cabin glass when you’ve got items like long wooden planks hanging over the roof of the truck. Maybe we’ll see more on this soon.
The mounting points for the Cybertruck's crossbars.
Not a Tesla App
Update: It turns out that you can, in fact, install the crossbars anywhere on a non-Foundation series vehicle. You’ll just have to pay for an additional roof applique, according to Wes Morril, Lead Engineer of the Cybertruck Program.
Faster Charging
Tesla announced updated versions of the V4 Supercharger, with a more powerful electrical cabinet that can charge the Cybertruck at up to 500kW. That’s an insanely fast speed—nearly 1,300 mi/hr of charging. This will come as part of a future update for the Cybertruck and as V4 Supercharger stations begin to be deployed.
That’ll make the Cybertruck the fastest-charging Tesla - even with its enormous battery.
Tesla has revealed its updated V4 Superchargers, which have a massive power increase and can charge vehicles at up to 500kW. The V4 Superchargers have been a work in progress. They were initially launched with a v3 cabinet, limiting their overall potential.
V3 and V4 Superchargers have been charging at 250kW for several years, but recently, Tesla started a public trial at some locations with Superchargers reaching power levels of 320kW. This speed bump out of the 250kW zone was our first indication that Tesla was looking to roll out improved charging speeds.
With these new V4 Supercharger cabinets, Tesla is ready to blow these numbers out of the water, however, not every car will be capable of charging at the new 500kW speeds. Fun fact: Tesla’s Superchargers first arrived with a charging speed of just 90kW.
V4 Supercharger Cabinet
The V4 Supercharger has been around for some time—it's the new one without a hole in the center. However, those were running with V3 or V3+ cabinets. Now, the V4 cabinet has arrived.
The V4 Supercharger cabinet knocks that 320kW V3+ right out of the park. It can put a massive 500kW into the Cybertruck—currently the only vehicle that can use that speed. And that 500kW works out to a blistering 1,300 mi/hr for the Cybertruck — nearly 2100 km/h of charge speed.
Part of these charging improvements come from the Cybertruck’s 800V system, so we can’t expect all these charging improvements to roll out to older vehicles. Instead, we can expect the upcoming Model Y Juniper Refresh to likely also arrive with an 800V system, with all the experience and knowledge Tesla has gained from the first year of the Cybertruck.
If the new Model Y achieves charging speeds comparable to the Cybertruck, it could deliver remarkably fast charging times. Being lighter and more efficient than the Cybertruck, the Model Y could achieve a significantly higher miles-per-hour charge rate at the same 500kW charging speed.
These new V4 chargers will support vehicles with 400-volt and up to 1,000-volt vehicle architectures, so people with non-Tesla EVs that support 1,000 volts will also see some drastic charging improvements.
In its brief video, Tesla also showed off the updated V4 Megacharger dedicated to the Tesla Semi. The new MCS system can pull up to 1.2 Megawatts, which is 1,200 KW of pure power via the MCS connector for the Tesla Semi and its massive battery pack.
This upgrade for the Semi is going to be big, making it a prime option for companies looking to do short—and medium-haul trucking—nearly 90% of the trucking in North America.
V4 Supercharger Rollout
The rollout of V4 Superchargers will start early next year, with the first sites already undergoing permitting. Most interestingly, Tesla’s new V4 cabinet has also reduced the complexity of the Superchargers even further.
The V4 cabinet powers 8 posts, which is 2x more than the V3 cabinet. A smaller footprint and less complexity mean faster installations, which means more V4 sites faster.
These new Superchargers have the potential to ease congestion and help eliminate the negative perceptions of slow EV charging.
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