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Model 3 Teardown - What's under the Frunk?

Discussion in 'Model 3' started by Ingineer, Feb 16, 2018.

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  1. aronth5

    aronth5 Long Time Follower

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    Interesting to compare engineering approaches between the front of the Model 3 and the Chevy Bolt.
    Appears Chevy relied pretty much on how they build their legacy cars and ported it to the Bolt.

    chevy front4.PNG

    bolt front3.PNG
     
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  2. 03DSG

    03DSG Active Member

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    Agreed. You can still have filter access in the cabin on the intake side. Honda’s do as well as others.
     
  3. ℬête Noire

    ℬête Noire Active Member

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    Pretty sure they used the Aveo frame as the design starting point. Although they definitely reworked it to an extent, it's not truly a "ground up EV" vehicle in the way the Tesla M3 is. Not that that is particularly good or bad for the end result/user's experience, as long as you go far enough and don't let historic baggage lead to bad choices.

    Also remember that because the Bolt is FWD you want to keep weight biased to over the front wheels, contrasting to having bias to the back for the RWD Tesla.
     
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  4. JRP3

    JRP3 Hyperactive Member

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    Like mice and chipmunks! :eek:
     
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  5. 03DSG

    03DSG Active Member

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  6. BigD0g

    BigD0g Active Member

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    Take off the rear bumber and look for a radar....
     
  7. SlicedBr3ad

    SlicedBr3ad Member

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    That storage space where front motor should be so hard to access. Tesla is the worst! :)
     
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  8. ℬête Noire

    ℬête Noire Active Member

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    It's a feature, less likely for Customs Agents to find it.
     
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  9. Peter Egan

    Peter Egan Member

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    This view of the equipment under the frunk is brilliant in that it shows there is plenty of scope to package this equipment into one large subassembly and drop it into the car in one go with a few hose and cable connections. Obvidusly, the mechanical stuff - suspension, steering, brake discs and callipers, wheel hub and electric motors should be one subassembly on its own. The battery should be another subassembly. All the other stuff under the frunk and the master computer could be another subassembly. Bigger subassemblies allow the final assembly line size to be cut by 75%. The machine-tat-builds-the-machine functions far better with larger subassemblies and a short final assembly line.
     
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  10. JRP3

    JRP3 Hyperactive Member

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    Since I've had issues with both in other vehicles I took another look at the video and noticed there is a screen inside the air intake duct:

    Model 3 intake.jpg

    I assume there is some sort of grate/screen over the opening when the frunk liner or trim are in place.
     
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  11. hacer

    hacer Member

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    There is no way that the slip angle is allowed to vary except for when they explicitly want to generate heat. They modulate the amplitude of the current to adjust the torque while keeping the phase constant at the peak torque angle.
     
  12. Ulmo

    Ulmo Active Member

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    I remember reading that Tesla figured out they needed this near the beginning of Model S, or similar. I do remember reading about it somewhere related to Tesla. It's one of those things they found they needed.
     
  13. Ulmo

    Ulmo Active Member

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    That's a mess!
     
  14. Ulmo

    Ulmo Active Member

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    Anyone confirm that on other Model 3's? Can an additional filter be added successfully and have the system still work right?
     
  15. insaneoctane

    insaneoctane Active Member

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    Maybe I missed this earlier in the thread, but is anyone else disappointed that the cavernous volume reserved for the front motor on the AWD is NOT available as frunk for RWD?
     
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  16. doubleohwhat

    doubleohwhat Supporting Member

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    I'm not surprised by this due to the S being built the same way.
     
  17. iwannam3

    iwannam3 Member

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    Looks like an opportunity to a 3rd party supplier to form up a big frunk for the 3 and the obsolete RWD S'es. Would people pay $200 to put more junk in the frunk?
     
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  18. omgwtfbyobbq

    omgwtfbyobbq Active Member

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    $200's a bit much, but I'd like to see someone fab a bracket that would bolt to the two points shown in the video. There might be enough space for a donut and maybe a small toolbox, but it's hard to tell.
     
  19. Cosmacelf

    Cosmacelf Active Member

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    That empty space isn’t as huge as that very close up video made it look. Not sure how you would access it, there are a lot of things in the way. I’m not disappointed. You have to remember that the Model 3 is the cheaper car. Compromises had to be made.
     
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  20. ℬête Noire

    ℬête Noire Active Member

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    Access would be a bear for any “toolbox” larger than one of those 8oz packs of cold cuts. Hard to get to it, tight squeeze to bring stuff through all the lines, equipment, etc bolted in above it...after you get frunk liner out of the way. Bring it out underneath? Ug, like crawl under to retrieve?

    I was only 1/2 joking about Custom Agents having a hard time getting to it. The non-joking half is they’d likely spot it as oddity with an undercarriage wand then your day/life goes to sugar....and, I’d totally never sm¥ggleanythingdontputmeonthelistokplease.
     
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