Quote:
Originally Posted by cRiPpLe_rOoStEr
But when the intermediate gear is actually not so intermediate, thus too closer to the previous gear and with a longer gap to the next (or with a longer gap from the previous and too closer to the next), which is what has been more usual, it ends up not increasing the efficiency so much...
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OK, the closer any two of the ratios are together the more like 2 (vs 3) ratios they are.
The flatter the BSFC map is, the less is the benefit. There is a law of diminishing return too, where shift/"idle" time is required for the ratio changes. Maybe 7 speeds is somewhere near enough?