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While the saildrive gearing is symmetrical, the normal transmission has
three gearing options, none of which are symmetrical. I remember an article (by Pascoe, I think) about a large power boat that used reverse gear to have a counter-rotating prop. The shift linkage was reversed, of course. The owner couldn't figure out why the transmission needed service every 50 hours. Interestin. G we learn something new everyday. I do note the reduction difference is not all that great between ahead and astern and would have to wonder how noticeable the difference would be, versus putting the prop on backwards. I also have a problem seeing how someone could put the prop on backwards, other than in a twin screw application. Shen |
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