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Here's a response I got from my friend John regarding transmission efficiencies. These numbers sound about right to me. On 1 Sep 2004 at 11:13, John J. Moskwa wrote: > It is difficult to pin people down on transmission efficiency, but for > manuals they are typically in the mid-90's (%). The Bosch Automotive > handbook says they can be as high as 99%, and Fenton has a book that states that > synchromesh manual transmissions have efficiencies of 93-95%. I think it > depends a lot on what type of lubricant is used, the geometry of the helical > gears (straight-cut are more efficient but noisy), and bearing types. I think > 95% would be a good ballpark estimate. -- Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~ Shameless link for search engines: http://listarchive.type3.org ~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~