1950s OMC Condensors

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  • July 5, 2024 at 7:37 pm #288879
    JohnRude
    Participant

      Canada Member

      Does anyone know the proper (or acceptable) reading in Microfarads for a condensor in 1950s OMC outboards? I’m sure someone has already asked this but I have no idea how to do a search

      July 5, 2024 at 8:30 pm #288881
      crosbyman
      Participant

        Canada Member - 2 Years

        .22uf is the usual but…. uf is not all    it must pass HV  test because  simple  cap. meter or VOM   is not enough to  evaluate leakage

        visit AOMCI  western region…4   magazine articles on testing fixing condenser by…MR Mohat

         

         

        Joining AOMCI has priviledges 🙂

        July 5, 2024 at 10:43 pm #288884
        JohnRude
        Participant

          Canada Member

          Thank you Mr. Crosbyman. How do I visit AOMCI Region 4?

           

          July 5, 2024 at 11:14 pm #288887
          crosbyman
          Participant

            Canada Member - 2 Years

            see

            AOMCI Club, Western Reserve Chapter (wrcoutboards.org)

             

            go in DOCUMENTS

             

            magazine articles

             

            go down to bottom    find      PDF files PARTS  1-2-3-4 on condensers

             

            Joining AOMCI has priviledges 🙂

            July 7, 2024 at 12:12 pm #288914
            JohnRude
            Participant

              Canada Member

              Thanks again. I read some of this in some previous post which is impossible to find. Wish there was a search function. Somewhere I thought I read that acceptable values were between 1 and 3 microfarads but I’m now wondering if they meant nanofarads which in your example would be 210. Now I just have to learn to read the meter.

              July 8, 2024 at 7:59 am #288935
              crosbyman
              Participant

                Canada Member - 2 Years

                simple..  220 nano =  .22 micro

                Capacitance Conversion Calculator | DigiKey Electronics

                 

                Joining AOMCI has priviledges 🙂

                July 8, 2024 at 8:54 am #288937
                JohnRude
                Participant

                  Canada Member

                  Yep. Got it. And thanks to Bill Mohat for that fantastic article on Condensers. Best, straight forward, logical,  technical article that I have read in a long time. I’ll build his tester this week.

                  July 8, 2024 at 9:05 am #288938
                  crosbyman
                  Participant

                    Canada Member - 2 Years

                    I built the basic  version ( idiot lamp only)  … works great  !

                    Joining AOMCI has priviledges 🙂

                    July 8, 2024 at 3:55 pm #288963
                    frankr
                    Participant

                      US Member

                      General industry rule is that paper capacitors have a tolerance range of no better than 10-20%.  That figures out to 1.9 mfd to 2.6 mfd if my math is correct. (??)

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