Help with Polly

Help with Polly

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  • #6629
    Packmule
    Participant
      @packmule
      #114970
      Packmule
      Participant
        @packmule

        Making good headway on building but now i'm confused.

        If i line up the holes on the portface to the standard for a 5 ba bolt the lower No53 hole for the rivet appears to be 5/16 out ?

        Am i reading this wrong or is it a misprint?

        Thanks for any help

        (Would have put up the drawing but can't get it to load)

        Bob

        #114973
        Steambuff
        Participant
          @steambuff

          Bob,

          Have you phoned or emailed Polly?

          Dave

          #114974
          JasonB
          Moderator
            @jasonb

            Its not Polly Engineering, Its the little oscillator "polly" like the SMEE use in their classes, can't help as I don't have drawings

            #114975
            Packmule
            Participant
              @packmule

              Sorry guys ,poor info.

              Its Tubal Cains polly

              How do I get a picture of the drawings on here ?

              #114976
              JasonB
              Moderator
                @jasonb

                Go to the top left "my account" then "my pictures" create an album and upload the image to there

                #114977
                Packmule
                Participant
                  @packmule

                  Hi steambuff,

                  I called earlier but she was still at the rum

                  #114979
                  JasonB
                  Moderator
                    @jasonb

                    The way I read it is that the central No34 hole in the port face lines up with the No33 hole in the standard this will then make the three No52 holes in the standard match the three holes in the port face

                    #114980
                    Packmule
                    Participant
                      @packmule

                      Thats what i tried to do but following the book the lower 52 hole is drilled as is the one on the port face and then offered up.But the hole in the standard is shown as 5/16 from the top and 5/16 from centre of the hole on the portface. Not sure which is right ?

                      #114981
                      JasonB
                      Moderator
                        @jasonb

                        I think that 5/16" should be from ctr of the No33 to ctr of the No52 which would make it work out ok

                        #114998
                        Sub Mandrel
                        Participant
                          @submandrel

                          I think Jason is correct. the drawing of the standard appears to be in error.

                          Neil

                          #115078
                          Packmule
                          Participant
                            @packmule

                            Thanks for all the replies. I'll fill the holse in the standard with solder and re-drill

                            Bob

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