Home Forum Ask A Member Capacitors

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  • #906
    Buccaneer
    Participant

      US Member

      Looking for the correct condenser / capacitor for my 1936
      Neptune twin with the Eisemann Model 72 Magneto.
      I thought I read somewhere where a .14 mfd condenser
      is correct, but I see guys selling generic condensers
      rated at .22 mfd, stating that they are correct.
      Anyway, I was wondering if anyone has been using
      the electronic "caps" and fitting them in the old can
      with success. I know there was quite a discussion on
      the old board, and saved some of the notes.
      This note, references a cap rated at .15 uf, and
      says it will fit in the old condenser can.
      Anyone been using this cap, and what’s your
      results? Thanks, TG
      ===================
      Read below for a factory rep recommendation, Will fit inside an
      old cap can too!
      Subject: RE: TECH-SUPPORT: MKP1839 datasheet
      We propose

      MKP1839415084HQ (MKP 150nF ±5% 850Vdc axial , 400Vac , 10×31.5(DXL) , dv/dt
      – 1000V/us)
      ===================

      Prepare to be boarded!

      #11857
      RICHARD A. WHITE
      Participant

        Lifetime Member

        My Mercotronic manual states that of the 6 Eisemann condensers listed:

        H-22-910
        H23-470
        H24-235
        H24-924
        H26-982
        H28-090 ALL ARE .17-.22 mfd…your 72 MODEL MAG EITHER 72A, B, C, (D, DA &F) all coils when checking with said MercOtronic, should have continuous spark at of below 2.0 amps Secondary Continuity is between 40-60 min/max

        So any cap between .15 and .22 will work spot on..

        Hope this helps

        Regards

        Richard

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

        #11858
        Buccaneer
        Participant

          US Member

          Richard, Thanks for all your time and help!
          Looks like my usual Briggs & Stratton condenser
          would work. I would like to play around with
          those caps someday and put one in a vintage
          condenser can for fun.
          Thanks, TG

          Prepare to be boarded!

          #11869
          RICHARD A. WHITE
          Participant

            Lifetime Member

            Agreed but with my full plate, foget about it, LOL

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

            #11888
            garry-in-michigan
            Participant

              Lifetime Member


              #11889
              Randy in Tampa
              Participant

                Echlin RR176 Will work, you can find them at Napa auto-parts

                #11894
                Buccaneer
                Participant

                  US Member

                  Garry, glad to see you still have all your data!
                  I’ll check out the Echlin RR176….. probably easier
                  to find than the B&S condensers I was using.
                  Thanks!

                  Prepare to be boarded!

                  #11902
                  Mumbles
                  Participant

                    Hey Bucc, depending on how much room you have under your flywheel, try the Orange Drop or Vishay caps at the proper uF rating. They work.

                    #11903
                    Buccaneer
                    Participant

                      US Member

                      Mumbles, guess I should buy an assortment of caps and
                      start trying them. How do you mount your caps so they
                      don’t move around, or vibrate, or is that not a problem?

                      Prepare to be boarded!

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