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1. vel0ci+(OP)[view] [source] 2026-02-04 00:15:28
> Next up in the equation is surface emissivity which we’ve got a lot of experience in the automotive sector.

My car doesn't spend too much time driving in vacuum, does yours?

replies(2): >>Millio+16 >>aunty_+C6
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2. Millio+16[view] [source] 2026-02-04 00:51:11
>>vel0ci+(OP)
Let's just hope the person you are responding to isn't Elon Musk!
replies(1): >>vel0ci+Cd
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3. aunty_+C6[view] [source] 2026-02-04 00:54:38
>>vel0ci+(OP)
Engine bays have a lot of design go into where to keep heat and where to get rid of it. You can look up thermal coatings and ceramics etc.
replies(1): >>vel0ci+z7
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4. vel0ci+z7[view] [source] [discussion] 2026-02-04 01:00:06
>>aunty_+C6
Sure and it all routes to dump the heat to...where again? A vacuum? Or to a radiator with a fan with some kind of cooler fluid/gas from the environment constantly flowing through it?

Seems like quite a massive difference to ignore.

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5. vel0ci+Cd[view] [source] [discussion] 2026-02-04 01:42:27
>>Millio+16
I wouldn't say that roadster isn't doing much driving but dang is it drifting!
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