Friday, November 4, 2016

[Electric Boats] Re: New member

 

Trolling motor props are specifically designed to push a small bass boat sized vessel quietly at a couple of knots, and they do this quite well. We eboaters like to put trolling motors to uses for which they were absolutely not designed.  Sailing in and out of a slip is actually a lease violation in my marina and at least one 30'+ boat maneuvers in and out twice a week on race days using an unmodified 100lb thrust minnkota powered from a couple of group 27s. Pretty marginal engineering, but cheaper than a gas outboard. Totally not what the motor or its prop was designed for. It probably shouldn't even work but it just does. Like the bumblebee who is blissfully ignorant of the fact that his airworthiness is a scientific anomaly.


The attractive feature of trolling motors is that they are lightweight, portable, and cheap, not that they are suitable for a wide range of propulsion applications, which they are not, unmodified. So no big loss to try one, even if it is found to be unsatisfactory. But a sensibly matched prop and an appropriate power source can go far in making a trolling motor of sufficient size push a boat it was never meant to push.

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