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Re:Tesla Cybertruck may be unsafe for other road users: Aust... by empath75 on Friday November 29, 2019 @06:54PM (#21667519)
The fact that the body is undentable and glass is unbreakable makes it sound worse for occupants, too. If it doesn’t crumple, you’re going to be in for a bad time in a car accident.
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by 27182818284 on Friday November 29, 2019 @07:58PM (#21667793)
Do you actually think that Tesla's engineers aren't aware of crumple zones and car safety?
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by daedalus_f on Friday November 29, 2019 @08:35PM (#21667931)
They may be, but are they prioritizing the safety of their customers above those of other road users? Saftey for the occupants at the expense of other can be used as a marketing factor - get a Tesla truck to reduce your risk of getting killed by a Tesla truck/other truck driver.

A similar situation occurred with bull bars in the UK. They protected the car they were fitted to at the expense of the person you hit. They were banned after public outcry - https://www.gov.uk/government/publications/bull-bars/bull-ba...

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by vonmoltke on Friday November 29, 2019 @10:35PM (#21668358)
> They were banned after public outcry - https://www.gov.uk/government/publications/bull-bars/bull-ba....

Your link explicitly states they are not banned.

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by lonelappde on Saturday November 30, 2019 @07:24PM (#21672962)
It implies that that original ones were unsafe and banned.

> However, since 25 May 2007, it has been an offence for bull bars that have not been approved as compliant with those safety standards to be sold.

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by dreamcompiler on Friday November 29, 2019 @07:51PM (#21667771)
Tesla cars don't have engine compartments, so pretty much everything forward of the driver is one giant crumple zone. I'd assume this to be true for the truck as well.
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by gamblor956 on Friday November 29, 2019 @08:28PM (#21667898)
The point of the comment you're replying to is that the Cyber Truck doesn't crumple... By design.
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by romwell on Friday November 29, 2019 @08:31PM (#21667916)
>Cyber Truck doesn't crumple

The point of the comment you are replying to is that it would be rather unreasonable to assume that.

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by gamblor956 on Friday November 29, 2019 @08:59PM (#21668028)
No, it is quite reasonable to assume the car is designed not to crumple (or to resist crumpling) based on Elon sayng that it was designed not to be dented.

Dents are just a minor form of crumpling.

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by kube-system on Saturday November 30, 2019 @01:54AM (#21668921)
GM had an entire brand of vehicles designed not to be dented for about a decade during the 90s: Saturn. All of those vehicles performed normally in crash tests.

Exterior bodywork work is irrelevant to occupant crash safety performance on unibodies (or space frames, like the Saturn S series), because they’re non structural elements. They’re decorative. Soft metal is chosen because it’s cheap to produce, not because it’s a crumple zone.

Crumple zones on unibody cars today are made of much stronger steel than the body is, and the channels are in the unibody frame which are slightly inboard from the sides of the car.

If you hit the crumple zones of a regular car on the road today with a sledgehammer, they wouldn’t dent. You’d need to hit them with something imparting many thousands of times as much force, like a car.

The only safety benefit to soft body panels is pedestrian safety.

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by adamcharnock on Friday November 29, 2019 @09:07PM (#21668061)
I was under the impression that dents affect bodywork, and crumpling affects (/is provided by) the vehicles internal structure. I would think that makes them distinct concepts in this context.
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by mohaine on Friday November 29, 2019 @09:55PM (#21668236)
Depends on the design of the vehicle. It would be silly to assume Tesla, which has historically created some of the safest cars it their class, would completely ignore driver safety.
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by trickstra on Saturday November 30, 2019 @12:04AM (#21668640)
Yeah, emphasis on "minor". Try hitting a lamp.
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by smrr723 on Friday November 29, 2019 @07:39PM (#21667717)
It'll still crumple. There's a difference between a guy hitting the door with a sledgehammer and a vehicle driving full force into the side of the truck.
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by ninjinxo on Friday November 29, 2019 @07:03PM (#21667555)
The other car is the crumple zone
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by willmadden on Friday November 29, 2019 @07:25PM (#21667656)
Hahahahaha.

Seriously though, crumple zones in cars and trucks aren't the sheet metal on the body.

I'm sure Tesla thought about safety ratings. My guess is the "cyber truck"'s sheet metal will crumple in an accident. A car wreck has a lot more force than some guy swinging a sledgehammer at medium force.

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by gamblor956 on Friday November 29, 2019 @09:01PM (#21668036)
I think we're all sure that the designers thought about crumple zones.

And I think we're all pretty sure that Elon overrode those designers and demanded a design and materials that wouldn't crumple.

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by zaroth on Friday November 29, 2019 @09:09PM (#21668069)
Which makes no sense considering the crash test ratings on Tesla's cars are the best in the industry. Tesla has an extremely good history of designing safe cars.

There's a big difference to "stands up to parking lot car doors and shopping carts" and assuming that it doesn't crumple in a collision with another vehicle.

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by sdenton4 on Friday November 29, 2019 @07:14PM (#21667605)
Works great until the first cyber truck on cyber truck accident...
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by symplee on Friday November 29, 2019 @10:28PM (#21668337)
https://en.wikipedia.org/wiki/Irresistible_force_paradox

aka "What happens when an unstoppable force meets an immovable object?"

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by elif on Friday November 29, 2019 @10:42PM (#21668377)
Whoever has bagged up further will launch as if on a kicker ramp.
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by antonvs on Friday November 29, 2019 @09:37PM (#21668172)
Known in the industry as a homoteslaccident
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by nyolfen on Friday November 29, 2019 @07:00PM (#21667545)
presumably it must pass the same crash safety tests as every other car sold in the US
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by clouddrover on Friday November 29, 2019 @08:10PM (#21667832)
US safety tests aren't very good in comparison to the rest of the world. In particular, US car safety tests don't emphasize the safety of pedestrians and cyclists to the same extent as the European and Australian test programs do:

https://www.forbes.com/sites/tanyamohn/2019/10/20/starflatio...

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by nyolfen on Friday November 29, 2019 @09:27PM (#21668137)
yes, that is what the article is about, but the post i was replying to was speculating that it would be less safe for occupants
[dead]
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by dang on Friday November 29, 2019 @11:26PM (#21668506)
Please don't post unsubstantive or flamebait comments here.

https://news.ycombinator.com/newsguidelines.html

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by cglace on Friday November 29, 2019 @10:22PM (#21668324)
It sounds like a difference in priorities and not an indictment on the tests.
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by threeseed on Friday November 29, 2019 @11:05PM (#21668444)
From the article which I assume you didn't read:

"But the once groundbreaking program is now out of date and has not kept pace with safety innovations and advances, and other countries, including Japan and many in Europe, have far surpassed the U.S., motor vehicle safety experts say"

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by cglace on Saturday November 30, 2019 @10:00AM (#21670229)
Cool, however, it seems it's more complicated than the article lets on. This article[0] shows that cars that meet US safety standards perform better in rollover situations while EU vehicles perform better in frontal collisions.

[0] https://spectrum.ieee.org/cars-that-think/transportation/saf...

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by kube-system on Saturday November 30, 2019 @01:23AM (#21668864)
We also have IIHS testing which, while unofficial, has always been at the forefront of crash testing, and is oft cited and very influential in the US.
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by m463 on Monday December 02, 2019 @08:05PM (#21688926)
and remember other trucks might have crumple zones, but also cast iron engine blocks and spear-like frame rails and so forth.

I think we have to wait for crash tests.

(I am unaware if trucks have the same standards for crash testing)

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by kube-system on Saturday November 30, 2019 @01:34AM (#21668887)
The door is not a crumple zone. Crumple zones should be outside of the passenger compartment. Regardless, the sledgehammer demonstration is demonstrating the result of an impact at least several orders of magnitude smaller than a vehicle accident where crumple zones are effective.
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by bluedino on Friday November 29, 2019 @11:07PM (#21668449)
We make items out of that same thickness stainless steel and they are very dentable
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by newnewpdro on Friday November 29, 2019 @07:02PM (#21667552)
It's still sheet metal, it's going to crumple in a collision with another vehicle.

The only thing they demonstrated is that it doesn't dent easily when hit by a sledge hammer swung horizontally.

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by jolmg on Friday November 29, 2019 @07:44PM (#21667741)
The way they presented it as an exoskeleton design though, implies that the it's much tougher on the outside than other vehicles.
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by newnewpdro on Friday November 29, 2019 @08:15PM (#21667855)
It's bad news for pedestrians, but I expect it to fare very well in crash tests.

Side-impact tests in particular will benefit from the stronger door skin. There's not much space for crumpling in that direction, and your average mild-steel door doesn't do particularly well. They generally throw reinforcement beams inside the door in an effort to help.

It will be interesting to see how this plays out since the Cybertruck is combining unibody+skateboard+pickup+stainless steel. The frunk is a huge crumple zone with no ICE and transmission to get in the way. I don't see the stainless steel "exoskeleton" preventing the frunk from crumpling in a real crash. It might prevent getting dents from stupid people in parking lots and utility work though.

The partial overlap frontal collision has been an especially bad one for pickups historically IIRC. This vehicle might completely change that. Would love to hear from anyone more knowledgeable in this field.

https://www.usatoday.com/story/money/cars/2019/03/21/iihs-gm...

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by notatoad on Friday November 29, 2019 @08:55PM (#21668014)
Most vehicles are "exoskeleton" design, normally called "body on frame". It's really just pickup trucks that are stuck on the old chassis design.

The cybertruck isn't really any more innovative than the Honda Ridgeline in this regard.

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by inferiorhuman on Friday November 29, 2019 @09:06PM (#21668057)
Most vehicles are "exoskeleton" design, normally called "body on frame". It's really just pickup trucks that are stuck on the old chassis design.

Trucks and old cars are body on frame, modern cars and some small trucks (e.g. Ridgeline, Baja, Brat, El Camino, Ranchero, most utes) are unibody. Some like the original Jeep Cherokee are hybrids.

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by refurb on Friday November 29, 2019 @09:24PM (#21668122)
The word your looking for is unibody. That’s where there is no formal frame, the structure of the car is the frame.

That’s in contrast to trucks and old cars where there is a frame and the interior of the vehicle is separate.

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by jolmg on Friday November 29, 2019 @07:02PM (#21667551)
I don't know why you got downvoted. It the exact same thought I had when I saw the comparison about how one door dented and the other didn't. A car that crumples will cushion the sudden stop in case of a crash.
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by thatswrong0 on Friday November 29, 2019 @07:06PM (#21667570)
Because they have to pass crash test ratings, and they'll probably want those ratings to be good. It's kind of silly to assume that a random Hacker News commenter has thought about this more than the company actually designing and making the vehicle
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by balfirevic on Friday November 29, 2019 @07:20PM (#21667633)
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by sgift on Friday November 29, 2019 @07:35PM (#21667702)
Yeah, just like Theranos. Companies are always correct and thought about everything.
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by thatswrong0 on Friday November 29, 2019 @07:50PM (#21667765)
Tesla has a proven track record of making safe cars (from a crash test perspective). They have shipped actual working products. Explain to me how this is like Theranos at all.
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by dahdum on Friday November 29, 2019 @09:10PM (#21668070)
I think we can use the track record of them shipping safe cars to assume they will do so with the truck. However, the truck that gets shipped is still years out, and Tesla has a history of hyping up bare prototypes for marketing / pr purposes. Personally, seeing this one not close to road legal with potential safety issues just means the usual skepticism on their launch timing is warranted.
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by jolmg on Friday November 29, 2019 @07:10PM (#21667586)
I think on average people on HN don't put as much worth on appeal-to-authority arguments.
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by cycrutchfield on Friday November 29, 2019 @07:42PM (#21667733)
On average people on HN are contrarians that think they are smarter than everybody else. Thus we get people in this thread saying with a straight face that Franz von Holzhausen has no idea what he is doing.
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by coldtea on Friday November 29, 2019 @07:15PM (#21667611)
The same is true for anti-vaxxers tho...

Obviously the truck is going to pass safety tests. Having a soft exterior that gives-in is not all there is to car safety...

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by jolmg on Friday November 29, 2019 @07:34PM (#21667692)
Alright, here's an authority on the matter that also has doubts about the exterior[1]:

> [safety standards] may be something the Tesla Cybertruck needs to put more focus on, according to the head of the Australasian New Car Assessment Program, which is Australia's equivalent of the US-based Insurance Institute for Highway Safety

> Cybertruck's "exoskeleton" body material caused some alarm as well. ANCAP looks for vehicles to absorb some of the energy in an impact because, if it doesn't, passengers will bear the brunt of the force.

> While this material may be perfect to keep out dents ... it could put passengers at risk.

By the way,

> Having a soft exterior that gives-in is not all there is to car safety...

I totally agree[1]:

> Obviously, the Cybertruck cannot enter production in its current form. It's missing windshield wipers, traditional mirrors that are, right now, required for the US market and the pickup also lacks turn signals. The challenge will be turning this trapezoidal design into something approved for sale in markets around the world

[1] https://www.cnet.com/roadshow/news/tesla-cybertruck-design-s...

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by fredophile on Friday November 29, 2019 @07:49PM (#21667758)
You really want the door to avoid crumpling. If you're hit from the side it doesn't have any space to crumple.
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by csomar on Friday November 29, 2019 @09:08PM (#21668064)
> The fact that the body is undentable and glass is unbreakable makes it sound worse for occupants, too. If it doesn’t crumple, you’re going to be in for a bad time in a car accident.

I think this crumple b.s. is made-up non-sense by car manufacturers (it might have minimal marginal impact and would like to be proven wrong). By making my car front bumper a weak piece of plastic that gets scratched and damaged very easily, they can sell it later for $1.000 a piece.

Re:Tesla Cybertruck may be unsafe for other road users: Aust... by muzika on Friday November 29, 2019 @09:13PM (#21668086)
Re:Tesla Cybertruck may be unsafe for other road users: Aust... by lazyasciiart on Friday November 29, 2019 @09:11PM (#21668074)
Your bumper is not the crumple zone. It's the scratch zone.