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    Small Engines and Stuff

    Scheduled Pinned Locked Moved Gallery
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    • Dave RD Offline
      Dave R @Rich O Brien
      last edited by

      @Rich-O-Brien thankee kindly, sir.

      Etaoin Shrdlu

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      • Dave RD Offline
        Dave R
        last edited by

        STIRLING ENGINE USING TWO FLYWHEELS cropped.png

        Etaoin Shrdlu

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        • tuna1957T Offline
          tuna1957
          last edited by

          Very nice ! One question is that a glass cup sticking out of the one end ? πŸ‘

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

            Thank you. The glass is part of the cylyinder. It gets heated with a flame underneath. The piston is the metal round-ended bit inside.

            Etaoin Shrdlu

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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

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                • 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

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                  • 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

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                      • 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

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                        • 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

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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

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                              • Mike AmosM Offline
                                Mike Amos
                                last edited by

                                Amazing little Gems. No doubt.

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