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Originally Posted by Airwaves
Not being familiar with the difference between diesel and gasoline, beyond the smell, price and availability. I didn't and don't know if diesel engines are "different" when it comes to Horse Power.
So, that mean anyone who operates a sailboat that has an inboard engine has to have a certificate regardless.
Also, I thought electric (at least my electric motor) is thrust, not horsepower, but I'll double check to see if there is a horse there somewhere. :-)
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It doesn't matter if it is inboard or outboard. It doesn't matter if it is gas or diesel. It matters if it is over 25 horsepower. Again horsepower is horsepower. Do a Google search on the definition or refer to old high school science books. 25 horsepower or under does not require a certificate. It is really simple and diesel engines are not "different" when it comes to horsepower. They achieve maximum power at a lower RPM and generally have tons of torque at a low RPM, but the standard for measured horsepower is the same.
As far as electric trolling motors go, they are usually rated by pounds of thrust. They are not very powerful.............probably well under even 1 or 2 horsepower. Now....................if you grab a diesel electric motor from an Amtrak locomotive and drop it in your Sunfish sailboat..................well, better get a cert.
