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Good day, Im learning from Indonesia, and my english in getting this course maybe limited. when you said in minute 1, about rotary engine likes to run with a richer air fuel ratio, is richer mean use more of fuel?
Yes, richer means more fuel, so the AFR is a smaller number (such as 12.5 : 1 AFR). If you are working in terms of Lambda, it will also be a smaller number (such as 0.85 Lambda).
Because of their design, rotaries also run very hot exhaust temperatures, a slightly rich mixture may also help reliability there, too.
