Tesla to Sandy Munro's Cybertruck teardown showing ‘half empty’ battery
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- čas přidán 9. 04. 2024
- Tesla to Sandy Munro's Cybertruck teardown showing ‘half empty’ battery
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Sandy Munro and his team were not at all confused by the empty space in the battery. They explained that in the case of a thermal runaway situation, the bottoms of the battery cells would push out into the empty space which becomes a "vent trough", providing ventilation capacity. Further, it provides crush space in the case of an extremely hard hit to the bottom while off-roading. Munro was quite impressed by the engineering of the CT battery.
Exactly. The Viking obviously didn’t watch that episode or he would’ve never created this strange video.
I totally agree
😂
The only one confused is this guy
@@cuisinart7899 I agree this one is strange; not normal for Viking content in my experience of watching his vids.
@@davidbecker4900He puts out a lot of videos. Sometimes it turns into quantity over quality, but I’ve still learned a lot from him over the last few years.
Sales: the battery compartment is half-full.
User: the battery compartment is half-empty.
Engineer: the battery compartment is twice as big as needed.
Shareholder says. - there's profit margin in them thar spaces..
Damn right…
Once the hype is over, the filling begins.......?.
Accounts Payable: The battery pack is half priced.
@@davidpearn5925 Tesla is battery constrained this week.
At a guess - the battery assembly forms part of the chassis, so its dimensions are dictated by structural considerations and not just battery size.
Sam, for production efficiency and future retrofitting, the designers design the battery compartment to accommodate future battery energy densities. This means that the battery compartment is designed to accommodate a new battery chemistry that will support a 1000 km range without having to make enormous and costly changes to the giga press or production line changes.
That’s what he said.
Fantastic tear down. That battery pack has alot of room to grow. Additionally the batter pack is shown upside down. So they are also allowing for a "Crumple Zone" on the bottom if someone hit stumps or rocks... so that extra space is there by design.
I thought Munro Live's comentry said that they opened the pack upside down, so the void is at the bottom of the car. Just like the empty voids each side, the void between the floor pan and underside of the batteries would provide protection of the batteries in case of a substantial impact on the floor pan?
In Sandy's Video "Tesla Cybertruck Battery Pack: Our First Impressions Under the Lid" at 23:40 he explains it's a crush zone. The extra space is on the underside of the pack. Crush zone and off-gassing volume in case a cell (or multiple) go.
People complain that a tiny dent in the ioniq battery pack wrote off a brand new $75k dollar car because insurance totaled it but now complain of a crush zone so that’s far less likely to happen.
Nice to see that someone actually watched the video. Where did this "half empty" narrative even come from? I don't think it was in the video at all, but the off-gassing and dent-zone stuff definitely was.
@@tmathison66 you don’t need any volume at all for outgassing. The cybertruck has plastic inserts that break open leaving large holes if over pressure occurs.
@@davidbecker4900 Lmafo no, you don’t need ducting with more cross sectional area than house hvac systems. You maybe need one square inch to not let pressure build, not two square feet. The gasses come from the cells encased in solid plastic, that’s going to build pressure and rupture first. Literally no other packs have that much area, in fact it’s very thin. You don’t understand the very basics and obviously have no engineering background.
I think it’s simply - Weight saving and efficiency improvement. Also room to expand.
If the Cybertruck is actually designed to pressurize the battery pack for buoyancy while in water, then it would make sense to have more cavity space to enhance the buoyancy. Where else could they put a huge air bladder for that purpose?
My thought exactly, seems like the most obvious reason and the only solution to the function they’ve claimed exists. I’m surprised no one else is thinking about this..
For buoyancy? Surely it’s pressurised to limit water ingress? Pressure differential.
Good one.
@@thystaljaard7607 Pressurizing the pack does not increase buoyancy. Think of a SCUBA tank. It is not MORE buoyant when it is pressurized (it's actually technically heavier and less buoyant, no matter how small that difference may be) vs being empty. When talking about filling things with air for buoyancy, it is about volume of air, not pressure of the air.
So pressurizing will help keep water out.....but I'd be shocked if that pack stays pressurized very long once subjected to the harsh environment of driving.
I used to tell my kids... "There is a reason for everything I do". "I can tell you the reason or you can 'reason' why". I trust that Tesla Et al. has a reason for the supplied, but unused battery module containment area.
Rivian cells - 4695 --- Tesla's cells 4680 There looks to be enough height for a taller cell format... or a completely different format maybe even the Gen 2 Blade battery and future format solid state...
Flexibility is the proper approach. I totally agree.
It's easier to fill that empty space with batteries for higher range models or for cheaper batteries which need more space, than to make a new truck body shape to fit a bigger battery.
It seems that the original intent was to fully populate the battery pack but it was later determined that this was not possible. Potential reasons for not fully populating the pack include 1) supply chain constraints. 2) it would take too long to charge a fully loaded pack during a single charging session. 3) negative effects on vehicle performance 4) safety concerns. Can the tires handle the weight? Thermal issues - is there a significantly higher probability of a battery fire developing - especially in warmer ambient environments.
To address the battery fire threat, they were supposed to making 4680s with LiFePO4. But, they are behind schedule on that because they are bogged down now on trying to get more charge density in the Lithium-Ion 4680s.
You forgot the actual reason, because batteries cost money.. zl
Optimistic initial cost and weight assumptions, final CT ended up being too expensive and too heavy, it's really not that complicated.
Also, they don't have enough batteries produced for them to keep up with the production in the near future.
@@1flash3571 Yes and yes. And as with every other hurdle on their way they will leap this in due time.
I can’t find a single source where Munro comments on this. All they did was post the 5 second video on twitter. I’m curious what Munro does thinks though. I’m also curious how much extra space it has.
Twitter!! X
@@coolco1619 Xitter
Venting of out gases during a thermal runaway
Exactly, not once did they say the batter pack was half empty or half full in Sandy Munro's video. This is where social media is BS, they will take a false assumption and blast it on the internet and now everyone thinks the battery is half its capacity. What's worse is youtubers that should do their research and watch Sandy Munro's video are talking about the battery being half full.
Autoline did a teardown as well and they said that the gaps at the side are for side impacts and the top is a vent for outgassing.
A half capacity battery pack is not a structural pack at least in terms of the cylinders of the 4680 cells supporting the top cover. Instead the top cover seems to be supported by the lengthwise rails (they look like the rails railroad tracks to me).
I watched the Sandy Munro video on the battery teardown and they said it is most likely a buffer zone from damage from below.
1:15 If you look at ridges in the top cover that is being lifted off you will see that there isn't as much space as appears just looking at the uncovered battery pack. Just saying.
Why put an extra range battery in the bed when the extra range batteries could be put in the battery pack?
The reason is when you own charging nw you use it more frequent. No added range from Tesla when it is not suitable
The another thing is at the moment price of ct must be under some point so ...
@@qkktech that is a good point, but the biggest complaint that non EV drivers have about EV’s is that the range is not good enough. In my case, I drive a model S that is powered by 36 solar panels that make 21,000 kwh per year. I make excess electricity. I have no interest in the current cybertruck because of its battery size and range. But, if they made the cybertruck with a 200 kwh battery snd 500 miles of range, I would buy a cybertruck.
Since a 80mm tall battery Cannot Fit in a 30mm space IT IS FULL, and the space is for 4x4 damage not damaging the battery , and for air pressure for fording high water.
@@qkktech That argument doesn't make sense. You can buy an extra battery pack now....why not just offer the truck with an extended range model to start with rather than people paying extra and also losing trunk space?
Just spent two weeks in China. I was really surprised by the number of EVs in Shenzhen. I saw a Denza N7 in a showroom in a mall. It was a very nice looking car. Prices look like it is about $32K-52K USD. Denza is a premium brand and a joint venture between BYD and Mercedes. A very nice car. I would buy one in a second at that price.
‘Planned permanence’ put together quickly with an eye for improvement down the line. Battery tech will mean with software updates and a couple of reissues it will have 500+ miles by 2030.
In then Munro Live video they pointed out the voids are there as crush zones. The space on the bottom allows dents from rocks to not harm the actual cells. It does provide for many more configuration options.
Cybertruck is like a bag of chips, you open it up and half of the bag is empty! 🧐👻💩
hahaha - good one
Yeah, Sandy. "Contents may settle."
if the battery is half and it is at 124kwh capacity then when it is full it will be 248kwh kkkkkkk.
No, I agree with Tesla ...... half the bag is full!
Your Analogy/'opinion' is un-reasoned. Therefore an empty bag of chips. Your not paying for something you didn't get. There is a reason why a bag of chips has head room. Your assignment, to be turned in tomorrow, is to figure out what that reason is.
It's planned. When complaints roll in about limited range, Elon magically presents the 600 mile version (with a FULL battery compartment). He looks like an engineering sorcerer, the new model is a hit and stock goes through the roof. Win win.
Maybe they can't yet crank out enough 4680 cells to fill up the battery compartment in the number of Cybertrucks they can produce currently. The extra open space crammed full of CATL's latest rectangular cells might be what they need to make a longer range/tow-capable version without filling up the bed with a "range extender" battery pack.
Rivian cells - 4695 --- Tesla's cells 4680 There looks to be enough height for a taller cell format... or a completely different format maybe even the Gen 2 Blade battery and future format solid state...
So, lol, when the time comes and there is less battery constraint… 500+ miles. Love it.
future fantasies? love it!
@@2funny269 How is that a “fantasy” exactly? I mean, seriously, how?
@@fractalelf7760 so this same Battery will get 500+ mile range?
@@fractalelf7760 " Tesla created secret team to suppress thousands of driving range complaints " 2023
......Tesla rigged the dashboard readouts in its electric cars to provide “rosy” projections
..... that it created a special team to cancel owners’ service appointments.
@@2funny269 The point is they could add more…
Twice you said that Tesla said that the truck was half empty
you might be half right
3 times. And he got it mixed up who said what. Waste of time this video 🤦♂️
@@operandexpanse that’s a great video and you are a hater that wants to bring people down, what cheap of a gaslighting is this
What I don't understand is why add extra batteries onto the bed when the fit more into the tray? Buoyancy? Waiting for future new and improved batteries? weight? This is very interesting. It seems like they were never planning on adding more batteries to the tray.. that's why they offer the extended battery for the bed
So what's the point of Tesla selling a range extender that fills up half the space of the vault when they could possibly double the batteries in the pack?
They can do both
I think you’re absolutely right
The view from the video Munro did is the bottom of battery as installed in the vehicle. This is actually a crunch zone.
Sounds about right . Great video again Sam.
Tesla told us BEFORE it came out, Tesla said they can sell 2 CTs instead of 1 due to the shortage of batteries by using HALF the batteries.
What?
shortage of batteries now?
Thanks for the word salad 😅😮
They also told us it would have a 500 mile range. Complete word salad. 🤡🥗
The battery shortages are caused by the US government's interference in the use of Chinese Battery technology, and why different models of Teslas have been refreshed or nor and why the FULL US tax credit was in flux at the end of 2023 and the point of sale tax credit was delayed as Tesla adjusted it's batty sourcing plans.
The most straightforward answer - to me - would be that the battery framework is structural, and would cost a LOT to re-design at this stage.
The batteries themselves have seen so many improvements in the last 12-24 months that Tesla found that they only need half as many - of this size/design - to achieve the same, advertized performance.
Therefore, Tesla decided that it makes more sense to only half populate the battery framework!
I however do not understand the Tesla management's thinking about NOT informaing Sandy Munro about it - IF my thinking is correct - knowing full well that his team and competitors are 100% likely to disect all thge cars in search of ideas or faults that they can capitalize on!
Cybertruck AWD's range of 340 miles is fine, in my opinion, unless you often tow something long distances in which case the range extender will supply the extra energy needed. I'm happy with the current battery configuration on my Cybertruck. A better charging curve is coming soon. Remember that adding more batteries will reduce CT's cargo capacity which is currently 2500 lbs. That's 1000 lbs more than Chevy's Silverado EV pickup. Put five 180 lb people in the Silverado and the load capacity drops to 540 lbs. Tesla made the right decision.
Well thought out. Thank you.
Maybe the optional battery upgrade (which is like $16k, right?), will be built into the pack upon ordering, instead of taking up bed space.
I would love to see the next gen silicon 4680s make that a possibility. Imagine a bolt in upgrade where they take your og pack.
And for say 20k installed slap a new 180+kwh unit in and presto 450-470+miles of range has been enabled! 😁
Like the we lion semi solid state pack for the nio et7 which has 150kwhs in the same exact case as the catl supplied nmc 100kwh pack.
But it weighs a paltry 44.3# more! Imagine gaining 50% MORE driving range for just 44 more pounds of weight. 👍🏻
good luck swapping that battery, ask Muroe how much that would cost you. This aint NIO
Hey Sam, just noticed in my country that new tesla model Y long range but rwd is available, would this be the best option? Is it LFP? What we know about it?
I'm #300,567 and I hope by the time Tesla gets to my reservation I'll be able to choose battery types and ranges. I want a bit more range - at least 400 miles for my twice annual road trips that I make.
Yeah me too. I’m about 140,000 but already have my invite to build my Tesla on my Tesla app. Not happy with the range -318 vs 500+. Or price - 69k vs 100k. Or seating capacity 5 vs 6. Will wait till more is revealed/updates
I wonder what the weight trade off is between the 4680 and LFP battery's is for a decent size pack?
You have to have a way to update your product and by adding batteries to increase range is a great way to do that!
So half full ?
16,000
The Cybertruck range-extending battery pack appears to be popular among buyers. The pack takes up one-third of the truck's bed and reduces its payload capacity by approximately 600 pounds. It costs $16,000 too, but a lot of buyers are still opting for it." So why range extender if there is space in the existing battery. Sonds like its poorly engineered to me.
So why does the "upgrade" end up in the cargo bay and not the space left in the battery compartment? It's a con job, that's why.
Or poorly dishonest to me!
Double the range on a LR model! Yes We Can! ⚡️ 🇺🇲
If you actually watch Sandy's video empty spaces are by design to allow for venting incase off cell failure and side impact crumple zones.
What you are expecting him to actually do some research before making a video to ensure accuracy...have you never watched his videos?
The Dual motor CT was only ever rated for around 320 miles from the begining, it is acheiving around that, the confusion comes from the Tri motor that was supposed to be around 500 miles.
How to believe in what Tesla is saying:
We already know the drag coefficient is 0.34, and the Model X is 0.24, which is 42% more. We have data on Model X for millions of miles, which give a combined 330wh/mi. So the Cybertruck must have a combined 470wh/mi. A 123kWh pack would give a combined range of 262 miles or 420 km.
You would need a 235kWh pack for 500 miles. That can't possibly sell for less than 180k MSRP with the current 4680 battery.
They need to slash the battey production cost by half. Which is why the CATL partnership comes for. Why design 2 battery packs when the first will be replaced soon?
To be fair, there was a 4 year gap with the first announcement of a 500miles battery, and it took them 2 year to build Giga Texas because of COVID, and battery research was stalled by the yield issues.
Great call. Some battery makers even make taller 4695 and 46120 cells. And those ribs stiffen the pack longitudinally.
I hope you are on the right track a lot of people in the US wanted to tow with Cybertruck and wanted that extra range.
you can TOW w/ Cybertruck , just not over 100+ miles.
Any person who tows regularly will buy a turbo diesel. No ifs or buts.
You can tow the cybertruck !!! More likely ! To complete your trip, you cant even put your bike in this truck.
Where is my 500 mile range, 60K Cybertruck?
Never almost 60 years had a 500 mile bladder. Go talk out of your hat to the foolish.
It's parked next to the Roadster, just behind the Semi. But what do you want it for anyway? We're taking the Hyperloop or a robotaxi aren't we?
Not coming from Elon Musk it seems?
Never promised. The dual motor variant was supposed to get 300 miles and the tri-motor variant was supposed to get 500 miles of range. But I don't think the tri-motor was ever expected to sell for $60K.
In your dreams. It will never be a reality. Elon is the greatest con artist of our time. 😂
But why do they sell an optional range extender if they could instead just have an option for a higher priced version with a bigger battery pack?
I think they definitely left enough room in there to eventually integrate the 500 mile range into the battery tray. Whether or not they can manage to pull it off with lithium phosphate batteries is to be seen. But they definitely could do it with NMC batteries in a second layer.
Very simple, anyone heard of future proofing. They can add more batteries/performance in future if required without re-engineering.
Tesla are manufacturing to a specific target price. As batteries become cheaper they can revise the specs or even add range and charge more.
I don't think so. I think since it was already publicized that they couldn't make the batteries fast enough for the Cyber truck... they're leaving some of the battery cells out and hence it's not getting the claimed range. Yeah I think that's more like it. Blah blah blah blah... ...
Not sure how that explains the ranger extender they offer for CyberTruck. if the battery pack is half full then no need to sell a ranger extender that takes up tray space? just fill the battery pack :)
Why fill up the space when they can gouge people for more $$ selling the range extension.
Love my Model 3 P, but canceled my Foundation series Cyber due to lack of range huge mark up rise price etc. I already have a Tesla that struggles to get 200miles of range from a full charge.
Fully agree.
Cost-cutting is the reason Tesla cut back on the amount of battery size.
But he didn't cost cut on the price grow up.
Reduced number of cells in Cybertruck pack may relate to vehicle weight.... If vehicle chassis, brakes, suspension are good for carrying a certain gross weight while meeting performance and safety requirements, reducing the weight of the battery would, for instance, allow greater payload in the bed and/or higher towing capacity.
Tesla: "The battery is not half-empty, it is half-full." ; )
Sounds very familiar with what has happened in my life, as this is like how a lot like people think, are you a glass half empty person, or are you a glass half full one. I have always been the latter, and it seems to have been beneficial when it comes to me creating a new business etc - and being pro active to make it all happen. However, you have to time these moves correctly, in other words don't jump on the bandwagon when everyone else has already done so. I have done both by the way!
Half empty or half full, Musk has screwed people.
Sam’s inconsistent/confused about who said what. . . half empty, half full. . .
@@dewiz9596 I had to skip ahead , i though my laptop had a 1980's stutter / buffer issue, LOL
LFP CT would be great as a fleet / work vehicle.
Except you can't put hardly any payload in the bed.
Could also just be structural. An I-beam needs a certain width for rigidity.
I think robotaxi van will be on cybertruck drivetrain and same pack but different cells as u suggest
It is just as likely that some original designs changed over time, but production deadlines etc. forced using "as is" supplied components or materials instead of waiting to make massive changes. Sure, this is just another hypothesis, but no less plausible than any others here.
No wonder the Silverado crushes the Cyber Truck in range….
Yes, but at what price?
And… what quantity are being built?
The Siverado is only available to fleet sales so far though?
Sounds reasonable and far sighted to allow for more and different batteries. Thanks for the update.
You bet
Rivian cells - 4695 --- Tesla's cells 4680 There looks to be enough height for a taller cell format... or a completely different format maybe even the Gen 2 Blade battery and future format solid state...
Note that doubling the number of batteries does NOT double the range. There is a balancing act to get the right price and a usable range.
Also, they are leaving room to add more batteries for when batteries get cheaper.
It seems weird that Tesla has that optional extra battery pack that wastes 1/3 of the bed, while there's more than enough empty space in the main pack for those extra cells.
I think when Tesla launched the Cybertruck back in 2019 they said it would have a 500 mile range. I think this battery pack if full to capacity would give a 500 mile range but Tesla want to sell literally millions of Cybertruck’s so if people are happy and find a 340 mile range is perfectly adequate and does not hurt sales why waste batteries to give a 500 mile range when they can use a 340 mile range battery with fewer 4680 cells but sell far more Cybertruck’s. Personally I think it’s an absolute genius move from the Tesla engineers.
Room to add...simple
Exactly eg the Lucid cells are taller than Tesla`s that why there is extra space. more space bigger cell format = more range.
Yep
That way they can make an updated version with longer range some time in the future if they so choose.
Wow more range with a smaller battery. That's quite a statement in regards to the efficiency of these batteries. I'm not aware of a gasoline car where you put more gas in and get less range.
Probably a more interesting thing is that ALL cybertrucks have been recalled because of a sticking accelerator pedal, a total of 3878 trucks since the end of November 2023. Where are all of these trucks for the so called two million orders?
I’m curious as to why they had the range extender pack in the back .. when they could’ve utilized this “half empty “ space ?? Or i could be wrong understanding this ..
Because other formats to fill the case ether don't exist or not been tested and approved for use.
Why would they talk about stupid range extender then?
As Tesla improves the speed of manufacturing 4680 cells, each cell then becomes less expensive. This way next year, they could add 10% more cells PLUS improve the battery efficiency by say, 5% and now the car gets 15% more range.
It's only been four years he has been playing with these batteries which still stink.
@@nicholasmuni7995 Still stink??? The 4680 cells have around 296 Wh/kg of energy Density! Is there someone making BETTER cells??? To top it off, practically EVERY quarter, they're updating the batteries with better efficiency, higher density and literally DOUBLING manufacturing output, while DRAMATICALLY lowering the percentage of "dead" cells that need to be recycled!
Cheers mate
If that is the case why where they saying they have to put the extra battery on the bed of the truck for the extended version? But it is good news at list it wouldn't take space on the bed.
I was expecting a 500 mile range. The CT has anemic towing and hauling range. So bad that it will not replace my F150! My F150 along with a Model Y will suit all of my needs.
Don’t you need to stop polluting?😊
@@malcolmrickarby2313 not a factor to me. Tell China to stop polluting
It’s not half-empty, it’s half finished
Finally saw one of these on the road yesterday, the most ridiculous thing I’ve ever seen on the road
So, Question,.. can the 4680 process (dry electrode) use LFP chemistry or is the 4680 experiment a dead end,.. with the range boost from LFP's 100% charging range and much cheaper chinese manufacturing making the (non-LFP) 4680 uncompetitive (even IF they ever get the dry electrode process working for BOTH anode and cathode).
Rivian cells - 4695 --- Tesla's cells 4680 There looks to be enough height for a taller cell format... or a completely different format maybe even the Gen 2 Blade battery and future format solid state...
I don’t think the long term approach for Tesla is the CATL batteries - given the investment they have made in the 4680 cell architecture. They need to wait to get the production volumes up. They can put an LFP chemistry in that format.
Tesla will have both. In the master plan there where LFP and higher performance batteries.
Looks like Tesla will buy the tech to make LFOs from catl.
Isn’t the CT using 4680s? It’s a tall battery already. Maybe Tesla have the option of stacking 2170. Filling up the battery compartment would make the CT more expensive and a lot heavier
More range though
Rivian cells - 4695 --- Tesla's cells 4680 There looks to be enough height for a taller cell format... or a completely different format maybe even the Gen 2 Blade battery and future format solid state...
My VERY first thought was......that looks set up for strings of prismatic LFP cells.... AND would explain the proposed 500+ range that was promised...however....clearly the batteries were not available yet.....
You did not mention the M3P battery option that could happen with the partnership between CATL and Tesla. This is where Tesla manufactures these cells in the USA.
Its because the the pack is part of the structural integrity, And they only needed to occupy less the full for battery. We can only hope efficiency goes up and occupied less space (weight) in the future
I wonder if the available space in the pack is enough for a double stack of 2170/18650 batteries. If so, you could cram something like 200 kwh into that pack.
Viking- it’s pretty obvious that they still aren’t able to manufacture the quantity of 4680’s that they originally planned for this car.
At least the color of the epoxy has been changed. Apparently Tesla switched to quarter segments with 4680 batteries to mitigate that unrepairable battery issue in the earlier (2022-2023) 4680 batteries. If I recall correctly, Tesla claimed Cybertruck to have logically two segments and the possible extender being third.
My first reflex is to say "How do you think the Cybertruck is make to float !!! It's an air bubble to increase buoyancy, I am pretty sure and it does not augment the weight significantly !", but the space for new type of batteries is also a good guess.
Blade batteries have better packing efficiency but not yet being made in US. I have read Borg Warner has the US manufacturing licence and will be setting up a blade battery factory in Michigan.
My F250 came with a 2.3 four cylinder engin. Ford says it will retrofit the V8 diesel in once all that gets figured out.
I think that's what they're thinking.
The price of batteries is trending down. Tesla missed the range of the Cybertruck announced during the unveil by a wide margin. The comparatively low range of the CT makes it much less useful for towing. Therefore I think Tesla is planning to eventually add more batteries to the Cybertruck in order to meet the announced range and in order to make it useful for towing for more than 100 miles.
I would wager the physical pack dimensions have nothing to do with the battery capacity! Because of Tesla manufacturing method of inserting the pack from below carrying the interior the minimum physical size is set to match the cabin dimensions and the fact that is has more volume than required for the battery is incidental. The battery capacity is clearly “just enough” like in other Tesla’s and not as big as possible to reduce weight and increase charge speed.
It surprised me that SM would say this, so I doubt it is as clueless a response as has been reported.
When the weight of fuel [or batteries in the case of electric vehicles] is a consideration, the tanks are not filled to capacity all the time. Planes seldom fly with tanks "brimmed" unless they are traveling to max range. Otherwise only the fuel needed for a mission is loaded.
The reason is it takes fuel to fly around excess fuel.
I believe your assessment is right, they are putting in the battery [fuel] they need? not filling up all the available space with expensive heavy batteries just because it is there for the same reason planes don't get all the space in their tanks used every time.
Hmm, I think they left room for less dense cells that are cheaper. For example, LFP based 4680s would likely need to completely fill the pack for the same capacity.
Wow you explained the same thing 3 times in a row at the start 😮
Good analysis Sam. B
Thanks Mate!
An air-filled void in the battery pack is problematic if gets submerged in water and it leaks in; especially corrosive saltwater. It would be better to fill it with a suitable lightweight injected foam to keep water out.
Where are the sources for this story, can't find.any on X
I would have taken advantage of the empty space by putting it under the batteries and filling with some light honeycomb material. It would offer greater immunity to damage when impacting the ground off road. It would allow for significantly deep dents in the bottom plate without actually damaging the battery.
Watch Munro's video.
Please make a video telling them to fill in the empty cells instead of seeking us an extender for the trunk. It could be the same price for it to go below
Room for future expansion and ability to use different battery types without the need to completely redesign the pack plus allow for head space to have reserve air volume in the pack when fording water ways, etc so if the pump stops you'll have a margin of backup though the passive system of extra air volume inside the pack without having to install large external reserve air tanks.
Tesla engineers things for a reason and just doesn't spend extra money over-sizing things for nothing.
Best!
I personally think it's half full because of 4680 production at the time. It was easier and cost effective to so it this way to keep cost down. If they had filled it, it would be even more expensive than what it is now.
They could have easily filled the pack and gave it 400 to 550 moles of range. This way they wouldn't even need the extended pack.
It's gonna suck when they start releasing one with a bigger pack and range and all the Foundation buyers sopping up all the first gen vehicles get mad when their $130K truck is so depreciated that they can't even sell them.
Mr .munro explained it in his video, watch that video, it’s because Tesla pumps air through it so if it gets punctured nothing will make its way in there. Very smart ider.