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I've invented a 100% efficient combustion engine
(aussie.zone)
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this post was submitted on 18 Dec 2023
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There's no such thing as a 100% efficient "engine". But in this case, since the waste heat is put to use (heating the house), OP thinks there's a loophole.
But, house would also need to be soundproof. Any noise leaking to the outside is lost energy.
Ah, but that’s by design: it also acts as a soothing white noise machine.
Then you might point out the exhaust and all it’s associated wastes, but that’s by design: it produces a heady and aromatic product for recreational huffing.
Then you might point out the vibrations, but that’s by design: the engine also provides invigorating massages to relax taut muscles.
You. Come sell my book
Let's allow a rounding error for 99.51% shall we?
Don't tell anyone, but I actually only used 1 significant figure, so anything above 50% will do.
I'm also using the version of significant figures where I work backwards from the answer, otherwise I'd need 95% or higher and that's too difficult.