Home Forum Ask A Member '4438 Fastwin coils

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  • #187162
    skanders01
    Participant

      In researching replacement coils for this motor I came across an article that Peter M. had written about reusing old laminations and new coil windings assy instead of $$ if you can find them, NLA OEM coils. So, I am giving it a go. During the process I discovered that a previous owner had actually done the same thing. The coil windings last mounted on the old laminations had thee wires (one uninsulated) so I am guessing this was done some time ago?? Anyway, I have two questions I need input on. 1) During the process of putting the replacement windings on the old laminations, someone ground/filed down the center leg of one of the laminations. Do you think this will this significantly impact the spark intensity that the mag will be able to generate for that cylinder? (unless the answer is a resounding YES, I could always try it for the practice ;-), and 2) If anyone has ever gone through this before, did you reroute the (new) spark plug wires under the mag plate after assembly or did you keep the original routing and make sharp 180 deg. bends in the leads at the coil terminal spike?

      Yes, I managed to break insulators around plug wire spike 🙁 I will fix if the coils work. Also shows my mag plate hack job, but what is under the flywheel stays under the flywheel.

      Regards,

      Bad-lam-middle-leg-alteration

      Good-lam-middle-leg-alteration

      untitled

      untitled-2

      Kyle Anderson
      Trempeleau, WI
      skanders@triwest.net
      920-764-0501

      • This topic was modified 5 years, 7 months ago by Mumbles.
      #187174
      frankr
      Participant

        US MEMBER PAY BY CHECK

        My concern would be possible spark arcing out to the mag plate. You may have to hack some more clearance if it does.

        #187176
        skanders01
        Participant

          Yea, I agree, and intend to pour the liquid tape to it.

          Kyle Anderson
          Trempeleau, WI
          skanders@triwest.net
          920-764-0501

          #187177
          fisherman6
          Participant

            US Member

            Yea, I agree, and intend to pour the liquid tape to it.

            I did this conversion to a Johnson QD-10. I turned my coils over and had the wires at the top of the coils instead. I removed the socket that the wires plug into and left the pin exposed. I soldered the plug wires to the spikes. I had to cover the solder joint with Super Corona Dope to prevent arcing to the flywheel. The conversion works great, but I would probably do it this way if I did it again. The Super Corona Dope is excellent though. A far better insulator than liquid electrical tape.
            -Ben

            OldJohnnyRude on YouTube

            #187179
            squierka39
            Participant

              US Member

              A friend and I did this to the Elto Speedster Gale motor, I can’t remember which way we mounted them but it worked. Grinding off some laminate will not effect spark. I’m grinding down some laminates for a 1936 Johnson and putting same coils on it. We do this all the time here at AOMCI.

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