Possibly a bit of a smooth brained question. So how exactly does the math of the air to fuel ratio work in a combustion engine. As an example; ethanol, ratio 9:1 (just for simplicity). Let’s say you have a cylinder that’s 500cc. It makes no sense to me that in one 4 stroke cycle, the cylinder will intake 450cc air and 50cc ethanol! That’s an insane amount of fuel regardless of fuel type and obviously is not mechanically possible. Somethings going completely over my head. Or is it simply that a cylinder take in a very small amount of air too? Nowhere even close to its capacity?
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