Neptune 15B2 prop shaft thread?

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  • June 7, 2015 at 11:00 pm #1707
    Doug Wilson
    Participant

      US Member - 2 Years

      I just finished putting my 1945 Neptune 15B2 (2hp) back together starts right up. When bought it did not have a prop or nut bought a set prop fits great but nut does not thread on. Threads look fine. Anyone have an idea what thread it should be?
      Doug

      Doug

      how is it motors multiply when the garage lights get
      turned off?

      June 8, 2015 at 12:21 am #17781
      RICHARD A. WHITE
      Participant

        Lifetime Member

        The 1936 4 hp here in my shop is 1/2-13. Does that help?

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

        June 8, 2015 at 3:00 am #17790
        Doug Wilson
        Participant

          US Member - 2 Years

          thanks Richard that is what I thought it looked like may get a die and see if I can get the threads cleaned up. Did not have a nut or prop with it when it was given to me bought those and coil from Doug Penn cleaned out the tank and carb cleaned and adjusted points fires right up every time. may have to get a canoe to run it on
          Doug

          Doug

          how is it motors multiply when the garage lights get
          turned off?

          June 9, 2015 at 2:00 am #17831
          Doug Wilson
          Participant

            US Member - 2 Years

            checked things out tonight 1/2×13 standard coarse thread. Put new shear pin on with prop nut and new cotter pin ready for the test tank tomorrow. Starts easily so will see how it pumps water and let it run for a while.

            Doug

            how is it motors multiply when the garage lights get
            turned off?

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