1981 GS1100E total electrical watt usage / Stator potential amp output.

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  • c&c
    • Jan 2026

    #1

    1981 GS1100E total electrical watt usage / Stator potential amp output.

    I just did a calculation of the total Watts it would use if all would be turned on, horn blowing, hazard flashing etc and got : 22.4 amps and 268.8 watts.

    My question is if the stator is powerful enough to supply 22/23 amps?

    Thank you
  • posplayr
    Forum LongTimer
    GSResource Superstar
    Past Site Supporter
    • Dec 2007
    • 23673
    • Tucson Az

    #2
    Maybe........

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    • Nessism
      Forum LongTimer
      GSResource Superstar
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      Super Site Supporter
      • Mar 2006
      • 35787
      • Torrance, CA

      #3
      You planning on running around full time with all those electrical devices running?
      Ed

      To measure is to know.

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      • posplayr
        Forum LongTimer
        GSResource Superstar
        Past Site Supporter
        • Dec 2007
        • 23673
        • Tucson Az

        #4
        Originally posted by Nessism
        You planning on running around full time with all those electrical devices running?
        I don't think so Ed.


        If you look at the plot here it says that the stator is capable of supporting 26 amps before saturating. This has more to do with the magnetics of the rotor. So it suggests that it might be possible to get that much current out of the stator although it is not known what the voltage would be.Point is a PMA should put out power that increase to the square of the RPM. It is the stator current that is the limit. So a definite maybe at supplying 23 amps. It is only prudent engineering practice to reserve judgement until a more conclusive test is performed.

        SHUNT_vs_SERIES_RR_Compare_Tutorial



        Is it beer 30 yet?
        Last edited by posplayr; 04-21-2014, 08:57 PM.

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        • c&c

          #5
          Originally posted by posplayr
          I don't think so Ed.

          If you look at the plot here it says that the stator is capable of supporting 26 amps before saturating. This has more to do with the magnetics of the rotor. So it suggests that it might be possible to get that much current out of the stator although it is not known what the voltage would be.Point is a PMA should put out power that increase to the square of the RPM. It is the stator current that is the limit. So a definite maybe at supplying 23 amps. It is only prudent engineering practice to reserve judgement until a more conclusive test is performed.

          SHUNT_vs_SERIES_RR_Compare_Tutorial


          Is it beer 30 yet?
          Thank you for you input & info!

          In case you wanted to know, I'm trashing all the wiring and putting new wiring on my GS. I dont feel like %$^& around trying to find the crappy connections , they are all crappy, old, oxidized burnt, rotten, hard, brittle etc.

          I might post my final solution and the build list once I'm done.

          Comment

          • JTGS850GL
            Forum Guru
            Past Site Supporter
            • Aug 2013
            • 9735
            • GA

            #6
            Originally posted by posplayr
            I don't think so Ed.


            If you look at the plot here it says that the stator is capable of supporting 26 amps before saturating. This has more to do with the magnetics of the rotor. So it suggests that it might be possible to get that much current out of the stator although it is not known what the voltage would be.Point is a PMA should put out power that increase to the square of the RPM. It is the stator current that is the limit. So a definite maybe at supplying 23 amps. It is only prudent engineering practice to reserve judgement until a more conclusive test is performed.

            SHUNT_vs_SERIES_RR_Compare_Tutorial



            Is it beer 30 yet?
            That's a whole lot of maybe.
            http://img633.imageshack.us/img633/811/douMvs.jpg
            1980 GS1000GT (Daily rider with a 1983 1100G engine)
            1998 Honda ST1100 (Daily long distance rider)
            1982 GS850GLZ (Daily rider when the weather is crap)

            Darn, with so many daily riders it's hard to decide which one to jump on next.;)

            JTGS850GL aka Julius

            GS Resource Greetings

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            • posplayr
              Forum LongTimer
              GSResource Superstar
              Past Site Supporter
              • Dec 2007
              • 23673
              • Tucson Az

              #7
              Originally posted by c&c
              Thank you for you input & info!

              In case you wanted to know, I'm trashing all the wiring and putting new wiring on my GS. I dont feel like %$^& around trying to find the crappy connections , they are all crappy, old, oxidized burnt, rotten, hard, brittle etc.

              I might post my final solution and the build list once I'm done.
              I did the same and came up with the sspt.

              Comment

              • tom203
                Forum Guru
                Past Site Supporter
                • Aug 2010
                • 8925
                • Norway,Maine

                #8
                When I was comparing the series to shunt R/R last year, I measured a stator leg current of 11 amps with 14.2 volts to battery at 4k rpm (probably about saturation point)
                since P= 1.73 I V, you get 270.226 watts- power to spare !
                1981 gs650L

                "We are all born ignorant, but you have to work hard to stay stupid" Ben Franklin

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