Sunday, January 24, 2010

[Electric Boats] kill switch

 

Hi all--

Last year I picked up a pair of 16' Prindle cat hulls for free, and a few days ago I found a pair of 45# thrust 12V saltwater Motorguide trolling motors (with continuously variable controllers) which I picked up for $225. This spring, I'll build a deck connecting the hulls to mount the motors, a pair of type 27 Walmart batteries, and a 200 watt solar panel on a T-top for charging the batteries. The controllers will be disconnected from the motors and moved to an amidships helm location, with the batteries stowed underneath.

I plan to test it in the surf this summer, and it occurred to me that even at low thottle, without me on it, it will run much faster and further than I can swim.

Does anyone know of a suitable kill-switch for this setup?
What about fairing for the motor shafts?
Also, how should it be fused?

John Casperson

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