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Elon Musk says 'we dug our own grave' with the Cybertruck as he warns Tesla faces enormous production challenges
(www.businessinsider.com)
this post was submitted on 20 Oct 2023
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If he said <10 mils, I'd might have bought the explanation that Elon actually meant millimetres. Micron is a very specific metric-based unit which to Elon might have been trying to use like a buzzword.
The moral of the story is don't say stupid engineering stuff if you don't want engineers to laugh at you.
And 10 microns at what temperature? Because on something the size of a car, made of mixed materials, thermal expansion of less than a degree is going to blow that figure.
They couldn't apply paint to a tolerance of 10microns.
Ten mils is .010" or .25mm if I'm not crazy.
It's a very standard tolerance for aircraft parts.
Yeah and that wouldn't be too bad either... still expensive but not completely unrealistic for ALL parts of a car.
Kinda unreasonable for the number of cast parts most cars use, but for machined surfaces it shouldn't be too bad.