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    Small Engines and Stuff

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    • Mike AmosM Offline
      Mike Amos
      last edited by

      I agree with t'others, really good to see these.

      Dave RD 1 Reply Last reply Reply Quote 0
      • Dave RD Offline
        Dave R @Mike Amos
        last edited by

        @Mike-Amos

        Thank you!

        Etaoin Shrdlu

        %

        (THERE'S NO PLACE LIKE)

        G28 X0.0 Y0.0 Z0.0

        M30

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        1 Reply Last reply Reply Quote 0
        • Dave RD Offline
          Dave R
          last edited by Dave R

          2x1 CYLINDER STEAM ENGINE 4k.png

          Another machinist's model. A 2 cylinder engine for a paddle steamer with reversing qear. The paddles are articulated so their angle changes as the wheels rotate. Still need to time the valves and properly align the eccentric straps with the eccentrics and of course add screws and nuts.

          Rendering straight out SU2026 with a wee bit of simple post processfor the soft shadows and background color.

          Etaoin Shrdlu

          %

          (THERE'S NO PLACE LIKE)

          G28 X0.0 Y0.0 Z0.0

          M30

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          1 Reply Last reply Reply Quote 1
          • tuna1957T Offline
            tuna1957
            last edited by

            Fantastic. I’m assuming this is a scale model of what was in a full size steamboat. If that’s the case just how big would this wonderful machine have been in full size ?

            1 Reply Last reply Reply Quote 0
            • Dave RD Offline
              Dave R
              last edited by

              Thank you!

              Yes. My model is based on a small desktop machinist's model. I believe it was based on a real one but I have no idea how large it would have been.

              Etaoin Shrdlu

              %

              (THERE'S NO PLACE LIKE)

              G28 X0.0 Y0.0 Z0.0

              M30

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              1 Reply Last reply Reply Quote 1
              • Dave RD Offline
                Dave R
                last edited by

                Another little engine. These are addictive.

                Engine with turning valve.png

                For reference, the flywheels are 100mm diameter.

                Etaoin Shrdlu

                %

                (THERE'S NO PLACE LIKE)

                G28 X0.0 Y0.0 Z0.0

                M30

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                1 Reply Last reply πŸ’₯ Reply Quote 1
                • Rich O BrienR Online
                  Rich O Brien Moderator
                  last edited by

                  Are you gonna shoot the 3I/Atlas as it passes?

                  Download the free D'oh Book for SketchUp πŸ“–

                  1 Reply Last reply Reply Quote 1
                  • Dave RD Offline
                    Dave R
                    last edited by

                    LOL! It does look a little like a cannon.

                    Etaoin Shrdlu

                    %

                    (THERE'S NO PLACE LIKE)

                    G28 X0.0 Y0.0 Z0.0

                    M30

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                    • Dave RD Offline
                      Dave R
                      last edited by

                      Here's a cutaway view.

                      Engine with turning valve cutaway.png

                      Etaoin Shrdlu

                      %

                      (THERE'S NO PLACE LIKE)

                      G28 X0.0 Y0.0 Z0.0

                      M30

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                      1 Reply Last reply πŸ‘ Reply Quote 4
                      • Mike AmosM Offline
                        Mike Amos
                        last edited by

                        Amazing little Gems. No doubt.

                        1 Reply Last reply πŸ‘ Reply Quote 0
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