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That crazy Canadian steam engine guy is at it again---

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  • That crazy Canadian steam engine guy is at it again---

    I just finished a very quick build of another small steam engine. This engine was originally designed by a clever man named Chuck Fellows over on "Home Model Engine Machinist" website. I modelled it in 3D Solidworks and then created a full set of detail drawings. Of course, I couldn't leave well enough alone, so then I had to build it. It will eventually be built as a "hit and miss" version, with a set of flywheel mounted governors which control the steam inlet valve. The exhaust valve is a slave mechanism, that is actually operated by the incoming steam when the inlet valve opens. When the inlet valve is closed, the exhaust port is open to atmosphere, allowing the engine to freewheel with no backpressure in the cylinder. This valve set-up also gives the engine a very distinctive "popping" sound as it fires. If anyone is interested, I will provide a link to a download site so you can use my plans to build your own.---Brian
    http://s307.photobucket.com/albums/n...Movie_0001.flv

    Last edited by brian Rupnow; 06-25-2009, 07:24 PM.
    Brian Rupnow
    Design engineer
    Barrie, Ontario, Canada

  • #2
    This is the download link. All the drawings are saved as .pdf files. If you use them to build the engine, I want to know how successfull you were, and you owe me a beer!!!
    http://www.mediafire.com/file/ghmqmclvdzm/UPDATED HIT AND MISS STEAM ENGINE PLANS.zip
    Last edited by brian Rupnow; 06-25-2009, 07:17 PM.
    Brian Rupnow
    Design engineer
    Barrie, Ontario, Canada

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    • #3
      Very nice looking and running engine. JIM
      jim

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      • #4
        Brian do you have the flow simulation software for solidworks? If so have you ever used it to check the efficeny of a steam engine and its operation. I am thinking of purchasing it for testing my own steam models before I build them. I would like some feed back as to how well it actually works.

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        • #5
          Cool engine!

          The problem w/ that sort of valve is that you don't get any benefit from the expansive power of the steam - a lot like a duplex pump. This is why you get that "pop"....

          - Bart
          Bart Smaalders
          http://smaalders.net/barts

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          • #6
            Brian,

            What does it mean to "log in or use a supported browser"? I use FF3.XX

            Cheers,

            George

            Cute little thing, regardless.

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            • #7
              Originally posted by Rookie machinist
              Brian do you have the flow simulation software for solidworks? If so have you ever used it to check the efficeny of a steam engine and its operation. I am thinking of purchasing it for testing my own steam models before I build them. I would like some feed back as to how well it actually works.
              I do not have that add on package.--sorry!!
              Brian Rupnow
              Design engineer
              Barrie, Ontario, Canada

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              • #8
                Neat engine and sound. Can't wait to hear what it sounds like once you get it to "hit and miss". That will be different for sure.
                Jonathan P.

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                • #9
                  I'm speechless! Great job, thanks for sharing!
                  Design to 0.0001", measure to 1/32", cut with an axe, grind to fit

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                  • #10
                    Originally posted by gmatov
                    Brian,

                    What does it mean to "log in or use a supported browser"? I use FF3.XX ...
                    It seems the link is broken because of the spaces in the link.
                    This works better:

                    http://www.mediafire.com/file/ghmqmc...NE%20PLANS.zip

                    .
                    Thomas

                    Problems worthy of attack prove their worth by hitting back
                    - Piet Hein

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                    • #11
                      Tom,

                      Thanks.

                      Even with your aid it took a couple stabs to get a download.

                      Cheers,

                      George

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                      • #12
                        Just a suggestion.

                        Brian, A joint group of Model Engineers and Live Steamers is holding an International meet for all those interested on the weekend of July 11 and 12 at the Richmond Hill Live Steamers site. Attendance is open to all enthuiasts,Compressed air will be supplied to give stationary models a run on picnic benches outdoors. Please see the RHLS site for more details. Probably Saturday will see more attending than Sunday, come along and make yourself known. Regards David Powell

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                        • #13
                          David--Unfortunately, on that weekend I will be engaged in my OTHER hobby. A group of 80 hotrods from Ontario is leaving whitby on the 03-July to cruise to the East Coast Hotrod Nationals in Moncton, New Brunswick. I will be driving my 1931 model A Ford Roadster Pickup. We will be gone for 14 days. However, I will be exhibiting at the Cookstown Steam show put on by the Georgian Bay steam Club on the long weekend at the beginning of August---Brian
                          Brian Rupnow
                          Design engineer
                          Barrie, Ontario, Canada

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                          • #14
                            Have fun.

                            One problem up here is that the really good weather season is too short, so those of us who have several hobbies which use the outdoors have many possible events each weekend and we just have to make choices we would rather not. Maybe Global warming would be a temporary answer? Regards David Powell.

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                            • #15
                              My plan was to have hotrods as a summertime hobby, and steam engines as a wintertime hobby. This year however, the #$%@ economy being what it is, I have no engineering work (my real job) and the hotrod is finished, so I have ended up doing my wintertime hobby in the summertime just to have something to do.---Brian
                              Brian Rupnow
                              Design engineer
                              Barrie, Ontario, Canada

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