Tesla explains how their single casting improves safety
Tesla
Tesla gave us a look inside the engineering crash safety lab with its latest video on YouTube (below). Vice President of Vehicle Engineering Lars Moravy shares some fascinating insights on what makes Tesla vehicles so safe. He explained that Tesla considers passive safety from the beginning of a design.
Passive safety refers to the features and structures that protect occupants in the event of an accident, as opposed to active safety systems that help prevent accidents from occurring in the first place. Tesla's two main priorities in passive safety design are protecting the occupant and protecting the battery.
Progressive Crash Structure
Moravy elaborated on Tesla's crash structure strategy, saying, "What we're trying to do is absorb as much energy from whatever object you hit before it gets to the cabin." This is achieved through a progressive crash structure consisting of a bumper beam, crush can, and a front underbody casting recently debuted in Austin.
Multiple Load Paths: Vertical and Lateral Energy Absorption
A key feature of Tesla's safety design is the multiple load paths, which accommodate various vehicle sizes and types. Moravy explained, "There's a higher load path for compatibility with other vehicles on the road...sometimes we need a lower load path if you hit a different sized object." These load paths work vertically and laterally to ensure energy is absorbed and the car is pushed away from the object it collides with.
Reinforcing Cabin Safety with Door Rings, Glass, and Battery Structure
The door rings, glass and battery structure reinforce the cabin's safety. One unique aspect of Tesla vehicles is the low placement of the battery, which creates a lower center of gravity. This, combined with the suspension system, significantly reduces the risk of rollovers.
Crash Test Success: Model Y's Five-Star Rating
Moravy proudly showcased a Model Y that had been crash-tested at NHTSA for a five-star rating, emphasizing the effectiveness of Tesla's safety systems. He pointed out that "all that energy was absorbed up front here, stopping really at the cabin," allowing occupants to exit the vehicle after the crash safely. In addition, the cabin remained largely untouched, maintaining its original space to ensure occupant survival.
Tesla's commitment to safety begins at the design stage, focusing on passive safety and innovative engineering. Multiple load paths controlled crushing, and a low center of gravity all contribute to the exceptional safety ratings Tesla vehicles consistently achieve. As Moravy so aptly put it, Tesla's top priority is to "protect the occupant," and their engineering efforts are a testament to that mission.
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Tesla has begun to reach out to customers in the United States and is offering demo drives of the Cybertruck on an invite-only basis. @brandonhd on X shared the first invite image, and it looks like it's going out quite quickly to multiple locations that have Cybertrucks on display.
Up until now, display vehicles have been for just that – looking, but no touching. Some Tesla delivery centers and showrooms have also allowed viewers to take a seat inside and open it up, but most are still locked away behind the velvet rope.
It’s exciting to see that Tesla has begun to demo them – and it can only be so long until demo drives open up to everyone.
Advisor-led Demo
This Demo Drive is led by a Tesla Advisor – while you’re driving, the advisor will be in the passenger seat, walking you through the experience. They’ll explain steer-by-wire, off-road controls, and will introduce new-to-Tesla buyers to all the features that are currently available.
The list of locations so far for demo drives appears to be fairly limited, but we will hopefully see demo drives roll out throughout the United States, and eventually Canada too. Here is the current list of city/state locations that have seen demo drive invites.
Actually Smart Summon, the successor to Tesla’s Smart Summon feature, has been confirmed to be coming as soon as next month as per Elon Musk. Colloquially known as “ASS”, Actually Smart Summon is supposed to improve on the regular Smart Summon capabilities, which have historically used ultrasonic sensors (USS) to navigate parking lots.
We’re looking forward to Actually Smart Summon, and we’re quite excited about what other features will be unlocked once it finally shows up at our doorstep.
Vision-based Improvements
ASS is supposed to bring Smart Summon to vehicles that don’t have USS – using Tesla Vision. Most recently, Tesla has brought Autopark to vehicles without USS, and Vision-based Autopark has been a huge success. It is faster, more reliable, and smoother than the older USS-based solution. It can also park and maneuver in tighter locations.
Today, Smart Summon is sometimes useful at best, usually a party trick, or downright dangerous at worst. It’s excellent and best used in straight lines, where you have a clear line of sight of the vehicle, and can stop it if doesn’t see an obstacle.
I used Smart Summon today, just before writing this article – my 2022 Model Y (with USS) – did manage to show up just fine – in a straight-line location from where I was parked, after exiting the parking spot fairly cleanly. However, I’ve previously used Smart Summon and have had the vehicle turn towards obstacles, such as cart returns or curbs. Overall, it’s a sometimes-useful feature that has a lot of drawbacks right now.
Smart Summon is also restricted to a certain distance – and it's pretty small. The max distance is shorter than most parking lots, being only about 215 ft (65m). If you’re lucky enough to park close, it's very useful to bring your car right to you.
Actually Smart Summon
ASS will bring FSD V12-like capabilities to Smart Summon – the vehicle will primarily use Vision to drive toward you (or the location you’ve indicated). ASS has been supposed to be coming since about September 2022 and has seen many delays – we’re almost at the 2-year point today.
We’re looking forward to Actually Smart Summon being able to bring the vehicle – safely – right to you. ASS is also one of the key steps towards bringing some other cool features that Elon Musk has previously mentioned – Park Seek and Banish Autopark.
We’re also hopeful that Actually Smart Summon will increase the maximum range a vehicle can be summoned, because the current range is fairly small. Alongside Park Seek and Banish Autopark, we’re closing in on a Robotaxi-based future.
Park Seek and Banish Autopark
When the FSD v12.4 showed up, Elon also mentioned that going forward, vehicles would automatically park themselves when arriving in a parking lot – Park Seek – and that if you got out of the car at the entrance to a business, you could get it to automatically park itself in the parking lot – Banish Autopark. These are two features that are needed for Robotaxi to work – which itself is delayed to October 10th of this year. We’re looking quite forward to them – as in combination with Actually Smart Summon, Tesla has reached the cusp of vehicle autonomy.
A vehicle that arrives, driverless, at the location you’re at, then drives somewhere, parks itself there, and waits for you – is the definition of a Robotaxi.
While we’re likely to have to wait for Banish Autopark and Park Seek just a bit longer, Actually Smart Summon being around the corner is exciting! Gone will be the days of having to run out to your car when you forgot your umbrella – your car will just come right to you instead.
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