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Re: motorcycle engine inboard

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Reverse gear is not out of the question, but more than one forward gear is not doable. On a boat, you don't get much credit for forward momentum. The forces on the propeller are practically static, meaning that, if you get going in first gear and then shift to second, the torque requirements haven't changed, and the motor will lug down and die. The only way to get around this, I think, would be to simultaneously switch down to a smaller propeller with each increase in gear. Of course, you wouldn't go any faster, so why bother...I may be a little foggy on the science of all this, but if you ever see a boat with more than one forward gear, let me know. Better yet, race the inventor to the patent office!


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