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JBee

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That doesn't make any sense in this context.
You said:

It would take a pretty massive blow by a pretty massive hard object to cause enough structural damage to the stressed skin for me to worry the truck's safety was compromised.
I say deformation on impact is a good thing for passenger safety.

Or are you expecting people to come along and smash your CT with a sledgehammer?

You also didn't respond to the loadpath post, just like on the last thread about "exoskeleton".
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charliemagpie

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We saw how difficult it is to put a meaningful dent in the 3mm stainless at the reveal when Franz hit it with a sledgehammer. I've heard this left a barely detectable dent in the door panel. Theoretically, this would ever so slightly reduce the occupant protection but it's so insignificant it's not even funny. Even a real divot in the exoskeleton produced by a sharper blow of a heavier sledgehammer would barely impact the structural strength of the exoskeleton.

It would take a pretty massive blow by a pretty massive hard object to cause enough structural damage to the stressed skin for me to worry the truck's safety was compromised. The primary issue would be one of aesthetics. Most people don't like big, ugly dents.
I am thinking of a small car accident, where the panel is crumpled beyond reasonable repair but you can still drive .

Depending on where the car hits, a small bingle can cause damage to 2 panels. Something so innocous to a standard build could be compromising for a car relying on the exoskeleton for rigidity.
 

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I am thinking of a small car accident, where the panel is crumpled beyond reasonable repair but you can still drive .

Depending on where the car hits, a small bingle can cause damage to 2 panels. Something so innocous to a standard build could be compromising for a car relying on the exoskeleton for rigidity.
Cybertruck does not get bingled. It bingles other things. It’s a champion bingler.
 

Jhodgesatmb

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Insects don't have bones. The Cybertruck has an internal structure, gigacastings, bones.
Ever eaten a crab or lobster? There are gigacastings in them in the form of scaffolding between sections to reinforce their strength. But they are still considered to have exoskeletons.

I actually don’t care what it is called as long as it remains 3mm stainless steel. It will serve my purposss.
 


Jhodgesatmb

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Im not asking them to do it at an investor call. idc where they do it, it could be a tweet. and I also dont need. exact range or. power consumption. You think they know how many motors they are going to put in? What their current range goals are? How many seats it'll have? we are couple months away from production, there cant be that many unknowns.

(sorry for all the periods, butterfly mac keyboard sucks)
If you are looking for people that would like to see the full feature and spec list, prices, and first-produced trim, you won’t find any dissenters here. But this just isn’t the way Tesla works. That said, the legacy automakers show you a pretty picture and features but they reserve the right to change it all before production.
 

ldjessee

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Jeez

Amazon has cheap punching bags. Got one for my 5-year-old.



Yes, degrees.

And given the front/rear castings, and structural pack, the CT's "degree" of structure derived solely from the skin is less than the range of reasonable interpretations available at unveil. Basically, the CT has much the same internal structure as any other Tesla, plus whatever the skin provides. That's largely different by addition, not different by substitution.
Going to disagree.

The helicopter I worked on, you could take up these floor panels. You could take up several, as long as they were not next to each other, but at a certain point, the aircraft could not be outside (wind) nor moved, as if you did, you would torque the remaining frame/structure and the panels would never go back in again.

The panels do not appear to most people as structural and it is an expensive lesson to learn if that mistake is made.

Also, why does the structural battery pack not count as skin? It is always brought up as proof the Cybertruck does not have an exoskeleton, yet the structural battery pack is the 'skin' for the bottom of the truck...
(and I really should have read the whole thread before responding, but it seems like I was not the only one guilty of this).

I worked on helicopters, not fixed wing, but aluminum skin with internal structure once again does not mean the skin is not a structural component.

Given the overly used terms in marketing vehicles, Tesla and Elon specifically, are far from stretching terms compared to others.

I also like what Frans has said about it in an interview, that they wanted to put the hardest material on the outside (he goes into a well thought out explanation of this thinking).

Turtles have both an exoskeleton and an endoskeleton, depending on where you look and how you define it. Maybe the Cybertruck will be considered to have both?

And the one example I saw of someone trying to get around moving it without putting all the panels back in, but just half with lightly tightened fastners... the frame was still torqued and no longer 'straight'. Distances between components had changed... which you do not want in a flying vehicle.

Just because there is more structure than just the skin does not mean the skin is not structural.

Look at how much higher the towing and bed carrying capacity are compared to other 4x4 trucks in that class (say the F-150). Anything over 1,200 lbs for the bed is a 2 wheel drive truck. (Source)

As for towing, it was hard to find a straight answer about the exact F-150 configuration and what it can tow. Most charts show just the engine and not how certain trim levels, option, etc change that value. Can you tow the 14,000 lbs without the max tow package? Is it lowered if you got the 4 wheel drive instead of the two wheel drive trims.
 
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Jhodgesatmb

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I think the range of the release version will differ from the ranges anticipated during the reveal. To my eye, it looks like the 500-mile Cybertruck will not be the first version. I'm guessing the 500-mile version will have to wait until the 4680 matures, maybe in late 2005. I'm also guessing Tesla releases an interim 400-mile version with a battery of about 140 kWh first. Later there will be 300 mile and 500-mile versions. If I'm correct about this, the 400-mile version will weigh about 5500 lbs. and the 500-mile version will be about the same when it is released later (because the battery will have a higher capacity but weigh nearly the same).

To be clear, it's not the battery that needs to be "efficient" it's the rest of the drivetrain and the ancillary electrical system (the aerodynamics are mostly already a given and the battery is defined by its energy density and capacity, not its efficiency). A large part of the efficiency of the drivetrain includes the wheels and tires. Those opting for the off-road biased tires and/or larger or less aerodynamic wheels will see noticeably shorter ranges. I plan to buy multiple sets of wheels and tires (including some dedicated winter tires) so I can swap at will at home.
This is one of those times I am glad that people share their thoughts and prayers and I can choose to think and pray differently. Your idea makes sense but I still want the 500+ mile trim to come out first. I agree that drivetrain efficiency is important, and I have a feeling that Tesla will find ways to reduce the weight which would also affect range.
 

Jhodgesatmb

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Going to disagree.

The helicopter I worked on, you could take up these floor panels. You could take up several, as long as they were not next to each other, but at a certain point, the aircraft could not be outside (wind) nor moved, as if you did, you would torque the remaining frame/structure and the panels would never go back in again.

The panels do not appear to most people as structural and it is an expensive lesson to learn if that mistake is made.

I worked on helicopters, not fixed wing, but aluminum skin with internal structure once again does not mean the skin is not a structural component.

Given the overly used terms in marketing vehicles, Tesla and Elon specifically, are far from stretching terms compared to others.

I also like what Frans has said about it in an interview, that they wanted to put the hardest material on the outside (he goes into a well thought out explanation of this thinking).

Turtles have both an exoskeleton and an endoskeleton, depending on where you look and how you define it. Maybe the Cybertruck will be considered to have both?

And the one example I saw of someone trying to get around moving it without putting all the panels back in, but just half with lightly tightened fastners... the frame was still torqued and no longer 'straight'. Distances between components had changed... which you do not want in a flying vehicle.

Just because there is more structure than just the skin does not mean the skin is not structural.

Look at how much higher the towing and bed carrying capacity are compared to other 4x4 trucks in that class (say the F-150). Anything over 1,200 lbs for the bed is a 2 wheel drive truck. (Source)

As for towing, it was hard to find a straight answer about the exact F-150 configuration and what it can tow. Most charts show just the engine and not how certain trim levels, option, etc change that value. Can you tow the 14,000 lbs without the max tow package? Is it lowered if you got the 4 wheel drive instead of the two wheel drive trims.
Isn’t a turtle’s shell basically part of its spine? Not to take away from your argument but that was always my understanding. Perhaps wrong.
 

Jhodgesatmb

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You said:



I say deformation on impact is a good thing for passenger safety.

Or are you expecting people to come along and smash your CT with a sledgehammer?

You also didn't respond to the loadpath post, just like on the last thread about "exoskeleton".
Sometimes people get tired of the same old arguments (both sides). I’d be happy to see this particular argument dropped with a “let’s wait and see what is produced” collective position.
 


JBee

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Sometimes people get tired of the same old arguments (both sides). I’d be happy to see this particular argument dropped with a “let’s wait and see what is produced” collective position.
Yeah true.

But at what point do you give up on people persistently spreading untruths without rebuttal?
There's lot of new eyeballs that come through the forum and don't know of the history.

Here's another parallel one that might interest you, with some analysis of the Q1 photos:

https://www.cybertruckownersclub.co...deo-on-san-francisco-streets.8306/post-146875
 

ldjessee

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Jhodgesatmb

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Yeah true.

But at what point do you give up on people persistently spreading untruths without rebuttal?
There's lot of new eyeballs that come through the forum and don't know of the history.

Here's another parallel one that might interest you, with some analysis of the Q1 photos:

https://www.cybertruckownersclub.co...deo-on-san-francisco-streets.8306/post-146875
I guess we are never going to drop this then :-(

By the way, I do not see how lever fulcrums have a bearing (pun intended) on load paths. Fulcrums are only involved in changing direction or magnitude of force, while load paths are about tension and compression.
 

RVAC

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Given the overly used terms in marketing vehicles, Tesla and Elon specifically, are far from stretching terms compared to others.
The way I see it also.

Is it a pure exoskeleton? No. Is there an element of marketing involved? Yes. Is it unreasonable for the term to be used? No.
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