evinrude rbm coil test and repair

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  • November 30, 2017 at 3:52 pm #68110
    Tubs
    Participant
      quote gary:

      Tubs Could you mill a pocket in the mag plate and set the coil in it ? you would have to stager the laminates.


      Yes Gary. Thought about going a all the way through.
      Could seal the edges of the coil easy enough but the
      coil tab for the spark plug runs into the gas tank. Only
      having one RBM coil to experiment with limits what
      I can try. Now that I have cut it up my options are reduced
      even more. Also I cant modify my mag plate to the point
      that I cant return to a buzz coil if in fact I’m successful
      only to find out a substitute coil won’t produce a strong
      enough spark to start the motor.

      A "Boat House Repair" is one that done without having tools or the skills to do it properly.

      November 30, 2017 at 4:13 pm #68112
      Tom
      Participant

        US Member

        Tubs,

        Very prudent approach. I worked on one of these last year, in hopes of getting something useful under the flywheel. I even considered a small gel cell battery and converting a small coil to a buzz system. The coil would have to be stood upright because of the clearance. I gave up and the motor went to the owner with a buzz coil.

        I’m glad someone is taking this project forward. Best of luck, nice job on the documentation.

        Tom

        December 4, 2017 at 12:38 am #68232
        Tubs
        Participant

          Mistook interference between coil laminate
          shoes with the magnets to be a problem with
          the size of the coil. Put some aluminum foil
          on top of the coil and put the flywheel on.
          Turns out there is plenty of room. Got it
          together enough to do a little test to see if it
          is worthwhile going any farther.

          https://youtu.be/DGe29iVop2o

          A "Boat House Repair" is one that done without having tools or the skills to do it properly.

          December 4, 2017 at 1:33 am #68234
          RICHARD A. WHITE
          Participant

            Lifetime Member

            Somehow, I knew you would find a way….

            http://www.richardsoutboardtools.com
            classicomctools@gmail.com

            December 5, 2017 at 12:00 am #68265
            Tubs
            Participant

              A "Boat House Repair" is one that done without having tools or the skills to do it properly.

              December 6, 2017 at 5:40 pm #68317
              Tubs
              Participant

                All issues resolved as far as getting it in
                there. Have spent a couple days on a
                You Tube slide show. Should have time
                to finish it shortly. Don’t know when
                the weather will let me open the door
                to do an actual run test.

                A "Boat House Repair" is one that done without having tools or the skills to do it properly.

                December 6, 2017 at 5:56 pm #68318
                twostroke
                Participant

                  Probably sometime in May….hopefully……?

                  Jim

                  I say "pardon me" a lot. I had a 20H, then raced open mod sleds.

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