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  • Topic: Experiments in 3D printing

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    • December 7, 2019 12:49 PM EST
      • Southwestern, NH
         
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      Bob,

       

      if you want to send me your STL files for the bridge footing, I can print them on my SLA machine, then you will have something you can make a mold from, as I typically print items that are used to make spin casting molds.

       

      Al P.

      I find the smoothing process with FDM modeled parts time consuming rework.

    • December 21, 2019 8:47 PM EST
      • Your Host in Littleton, MA
         
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      Flywheel painted.  needs a bit of weathering, but its just about done.

       

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      Bob, your Site Host and Benevolent Dictator.

    • December 21, 2019 9:37 PM EST
      • Chaco, Paraguay
         
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      that looks cool now!

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      My Chaosplace ->  

    • December 21, 2019 9:37 PM EST
      • Waverly, Alabama
         
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      Well done, Bob.  The paint really makes the details stand out.

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    • December 21, 2019 11:57 PM EST
      • Missouri, It's like Floodsburg, man
         
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      That looks fresh out of the factory. Interesting how the paint gives it a feel ov being more solid, of having more mass.

    • December 22, 2019 7:07 AM EST
      • Pittsburgh, Pennsylvania
         
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      I like that. nice choice in using the gloss red.

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      Shannon car Shops
      Home of the infamous leg lamp

      I.A.R.R.R. Member #12

      and King Butt Modeler

    • December 22, 2019 8:13 AM EST
      • Burke, Virginia
         
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      Nicely done.  

      But weathering?  Isn't it supposed to be brand new?

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      Bruce

      http://jbrr.com/

       

    • December 22, 2019 9:30 AM EST

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      I agree....nice choice on the colors !!

    • December 22, 2019 10:48 AM EST
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      Thanks everyone.  The color choice is pretty typical for these kind of large flywheels.  Red (or green) spokes and hub, and a machined edge.  

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    • December 22, 2019 11:09 AM EST
      • Maryland, USA
         
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      Just beautiful, Bob. I'd wanted to do something similar, but never got around to it. 

      Yours is better than what I had in mind though. Really rich detail, and it's being bolted down to the cribbing is a great touch.

       

    • January 5, 2020 8:43 AM EST
      • Salida, CO
         
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      Cool project, Bob. I have run across similar flywheels pretty regularly at various old mines throughout the Rocky Mountain west. Have you ever seen the big Corliss engine at the mining museum in Colorado Springs? They operate it once or twice a year:

       

      Cheers,

      Matt

    • April 20, 2020 8:31 AM EDT
      • Los Angeles, California
         
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      Nice flywheel. Also, great to know that there is a functioning one at the mining museum in Colorado Springs. We must go there and have a closer look :D

    • July 29, 2020 9:44 AM EDT
      • Your Host in Littleton, MA
         
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      More experimenting in 3d printing.  This time, some 15" panel track for around the mines.

       

       

       

      This post was edited by Bob McCown at July 29, 2020 2:12 PM EDT
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    • July 29, 2020 9:59 AM EDT
      • West Grove, Pennsylvania
         
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      How well would that stuff hold up outdoors?

       

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      "Nothing in the world is more dangerous than sincere ignorance and conscientious stupidity." --Martin Luther King Jr

    • July 29, 2020 10:03 AM EDT
      • Peoria, NW of Phoenix, Arizona
         
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      Ken Brunt said:

      How well would that stuff hold up outdoors?

      Probably doesn't matter much, they could be reprinted in no time, for little cost, plus after proper painting they would be UV resistant too.

       

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      Butt Modeler #2

       

       

    • July 29, 2020 10:06 AM EDT
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      Pete Lassen said:
      Ken Brunt said:

      How well would that stuff hold up outdoors?

      Probably doesn't matter much, they could be reprinted in no time, for little cost, plus after proper painting they would be UV resistant too.

       

      The 3d printed windows on the Majesic colliery building have been outside every summer for, er, 6 years now.  Painted, they seem to be just fine.

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    • July 29, 2020 10:45 AM EDT

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      Bob;

       

      My photos of the mine tram track were lost in the MLS photo storage fiasco.  Essentially, I just took HO code 100 flex track and an old Y turnout and removed two out of every three ties with a diagonal cutter.  Worked about as fast as digital printing, plus I retained the nickel silver rails.

       

      Just another approach, David Meashey

       

      P.S. Forgot to mention that I already had that track on hand.

      This post was edited by Dave Meashey at July 29, 2020 10:46 AM EDT
    • August 1, 2020 10:58 AM EDT
      • Peoria, NW of Phoenix, Arizona
         
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      Bob McCown said:

      Flywheel painted.  needs a bit of weathering, but its just about done.

      how tall is that load on the car? it looks great. are you going to make the other half too? 

       

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      Butt Modeler #2

       

       

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