Re: Joining aluminium pontoons to a steel frame[ Aluminum Boat and Repair Board ] [ Boat Motor Repair Board ] Posted by Aldo (203.87.70.127) on November 10, 2004 at 15:44:15: In Reply to: Re: Joining aluminium pontoons to a steel frame posted by Spike on November 10, 2004 at 14:06:17: Makes sense now (I think). Motor is clamped and bolted to the steel frame therfore the steel frame becomes a common earth, I believe I need to mount the toons insulated (nylon bushes) so that alloy & steel are not touching and then earth strap the frame to the toons - sounds conflicting but thats the method a few people are telling me. The other way is to insulated the motor which is nigh impossible because the trim & rudder angle gauge require a frame earth. I have read up on electrolysis but confusion still reighs. Aldo
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