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Old 11-02-2013, 05:27 PM   #20 (permalink)
Occasionally6
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Quote:
Originally Posted by cRiPpLe_rOoStEr View Post
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...
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?
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