Scale Model Shop

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  • Guest

    #16
    you dont know the id of the tube itself do you ?

    Peter

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    • Guest

      #17
      The tube is 0.250" OD, and 0.190 ID.

      I missed out the " sign after the I.D. so thats 0.190" internal diameter,which according to my tables, is 4.826mm.

      Bob

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      • Guest

        #18
        I am looking for some bearings now, I will let you know if I have any (I have a box full somewhere in the workshop) it should not take long , but in the meantime I would remove any grease and only use thin oil whith that little clearence between tube and shaft because the drag would destroy your motor at only 0.005" difference, thats very small its normaly about 3mm.

        Peter

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        • Guest

          #19
          Peter, thanks for that, I'm very mechanical, working on mechanical and electrical stuff all day long, but the model world is a closed book to me. (I'm used to bearings that need a 3lb club hammer to remove, and half horse power motors)

          Bob

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