General > General Technical Chat
Tesla Cybertruck
KE5FX:
The more things change... (opens at 28:07)
https://www.youtube.com/watch?v=F3FUH9fVC_M?t=1696
Edit: I give up, no idea how you guys are getting the embedding or the timestamps to actually work properly.
rdl:
Isn't it just right click on the video and select "copy video URL at current time"?
https://youtu.be/F3FUH9fVC_M?t=1687
note the youtu.be not youtube
AVGresponding:
--- Quote from: schmitt trigger on December 03, 2023, 04:41:47 am ---
Drive by wire, for instance, allowing to tailor the steering ratio depending to speed.
--- End quote ---
This has been tried before, and does not work. The reason should be obvious to anyone that's ever driven a vehicle. The closest to variable steering that actually works is the various 4WS systems the Japanese manufacturers used in the 1980s-1990s. Curiously they don't bother any more.
mendip_discovery:
Vehicle Safety tests are a little bit of an odd thing. They have changed many times over the years as better research comes out about accidents. Some manufacturers are very good at building to the required test, but how realistic that testing is makes me wonder. Motorcycle helmet testing and certification are much the same. So I won't diss the Tesla on that basis.
Though I am not sure how much the emergency services will like some of the bomb-proof glass etc that was rumoured to be on the vehicle but I am sure solutions will be found soon enough. Much like how criminals will find a way into them.
I think the steering by wire is interesting and I suspect part of the reason they are using it is because they have proven it to be safe. I remember issues about cars using electronics for the throttle and the fears that arose from it. So time will tell if its going to be an issue.
I will say though, I really think the Tesla is ugly and the kind of thing I drew as a kid using that Triangle thing we all had in stationary kits for school. But I don't have much taste, I drive a Defender 110.
Lots of new tech has lots of toys that are prone to failure. Plan obsolescence?
HalFET:
--- Quote from: wraper on December 03, 2023, 01:10:58 am ---
--- Quote from: DavidAlfa on December 03, 2023, 12:41:55 am ---Door handles? Where? Only inside?
How do firefighters open it if you're injured or unconscious?
--- End quote ---
Break the window.
It may be a surprise for you but in modern cars doors get automatically locked when driving. So outer handle is absolutely useless unless it gets automatically unlocked after the accident, and it likely won't if crash was serious or car does not have post accident unlocking feature.
--- End quote ---
Most modern cars will detect when an accident is happening, and while for a human that's an incomprehensible short time, for the electronics, servos, and motors that's an eternity to still do things. Some modern cars will do things like activate the brakes, tilt seats away from the side, tension the seat-belts before there's even an impact, pull away the steering wheel column, etc. So I wouldn't be surprised if unlocking the doors and trunk is part of such a system.
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