Sunday, October 4, 2009

[Electric Boats] Speed Controller and inputs

 

My, project, Stream Dancer, has two 12v 50 amp trolling motors and uses foot controls for differential propulsion steering & control. You can see it in action at www.streamdancer.com

I have tried Minn Kota's standard 5 speed (switch) controller, Minn Kota's variable (PWM) speed controller, and Dimension Engineering's Sabertooth (PWM) board.

The simple switch is rotary and my controls are linear, so that proved more trouble than it was worth . . . and it isn't efficient anyway.

MK's variable could be modified to a linear pot, but it has a built-in delay of about 3 seconds when switching from forward to reverse . . . which is unacceptable to most fishermen.

The first Dimension Engineering board failed within the first hour. the second one failed even earlier.

Anyone have a suggestion on durable, inexpensive PWM controllers . . . or some other ideas?

John Zimmerlee

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