Does both the steam in and the exhaust out connect to the rotary valve? Does the rotary valve also provide direction change (reverse)? I thought direction change was by some gadget in the valve train.
Beautiful modeling
Yes, the valve is set up for that. This is a model engine. The flywheel is only 100mm in diameter. No space for conventional reversing gear on this one.
Is there a 12-step program for people who are addicted to modeling steam engines in SketchUp?
Plenty more to model yet.
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Yes, there is a twelve-step program, Take twelve steps away from the keyboard.
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4 x 3d printers. Start making models.
I enjoy the drawings.
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Dieselization is the only steam engine replacement therapy with a proven track record.
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Now Dave, you must be honest with yourself first.
You do not have a Steam Engine modeling problem, you have a Sketchup addiction…to which I am sad to inform you, there is no number of steps to a known cure for.
Seriously though…really nice work, one of my favorite threads!
And the presentation style(s) are very nice too!
C
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I know a 3D printing addict. It is not good for the global plastics consumption figures.
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As much as I’d like to have a 3D printer, this is on my mind. We need simple home recycling capability.
Still a bunch of parts to add but I’m getting there.
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Love the style on this last image. 
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Thank you sir.
Me too. I would drive my wife to desperation by filling our household with useless, if cool, small plastic objects. Better keep everything virtual.
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I have a 3D printer, it is another tool in my tool box. It is used when necessary otherwise it takes up space.
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I joined a maker space with several 3D printers so I could have access without having to buy my own, and thereby guaranteeing I never doing anything with a 3D printer.
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Yeah that is the ticket, but I am not close to one. AFIK the closest is 45 minutes away,
Mine isn’t far, maybe 20 minutes, but parking is always a problem, plus other issues including lack of urgency to play around have meant that I just never get around to it or go there. Over several years now, I’ve spent enough in dues, I might as well have bought my own printer. If I had my one, I would get around to playing and learning.
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For what I paid for the printer, I consider it a good investment. Several of the pieces I have made were for repairs for others. These were parts that were not available unless buying an expensive assembly.
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I noticed that there is a new makerspace in WBL.
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More to go but…
A few major parts and a bunch of small hardware left. The timing on the right side is done. Now I have to work backwards to time the left side. Playing with one of my sketchy styles.
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Where?