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  • Topic: Still a work in progress but I'm ready to share

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    • December 3, 2018 11:55 PM EST
      • Sherwood Park, Alberta
         
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      That looks fantastic Dan. Great work.

       

      Shane

       

    • December 4, 2018 2:50 AM EST
      • Denver, Colorado
         
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         I'll take ten of these and ten of the rotary gondolas. Get busy.

       

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    • December 4, 2018 8:58 AM EST
      • Lancaster , Ohio
         
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      I'm sure Rooster will want some, he's a sucker for tank cars especially if the trucks are equipped with metal wheels

    • December 4, 2018 9:05 AM EST
      • Chaco, Paraguay
         
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      very neat work!

       

      did you use acetone to smoothen the surfaces?

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      My Chaosplace ->  

    • December 4, 2018 10:21 AM EST
      • West Glocester, Rhode Island
         
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      Korm Kormsen said:

      very neat work!

       

      did you use acetone to smoothen the surfaces?

      Korm,

      I printed in PLA and the only parts I've smoothed are the end caps.  I used 3 coats of Rust-oleum Gray Filler Primer (sanding between coats).  I will probably do the same with the flat sides of the end platforms but the rest of the parts should be fine with just paint (10 ft rule).

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    • December 4, 2018 10:56 AM EST
      • Carlsbad, CA
         
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      What diameter tubing is that? Is it styrene or abs or pvc? (I ask this because you could not have printed it and not smoothed it clearly).

       

      Greg

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    • December 4, 2018 11:15 AM EST
      • West Glocester, Rhode Island
         
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      Greg Elmassian said:

      What diameter tubing is that? Is it styrene or abs or pvc? (I ask this because you could not have printed it and not smoothed it clearly).

       Greg,

      It's Schedule 40 3" (3.5" OD) PVC.  This is not a fully 3D printed model.  If you check out the Thingiverse page https://www.thingiverse.com/thing:3239142 you will see a list of all that is needed.

       

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    • December 4, 2018 11:51 AM EST
      • Carlsbad, CA
         
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      Thanks, was just trying to get a feel for the actual size.

      I did not realize that you had put the list of components on the thingverse site, very helpful.

       

      I also did not realize Al Kramer sold complete trucks, will have to take a look at those, how do you like them as compared to Aristo or USAT?

       

      Greg

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      Be sure­ to visit ­my site, l­ots of tec­hnical tip­s and modi­fications,­ and you c­an search ­for topics­ and key w­ords.


      ­Click HERE for Greg­'s web sit­e
      PLEASE NOT­E: Please do NOT use private messaging, i­f you have­ a questio­n, feel fr­ee to emai­l me priva­tely, u­se regular­ email onl­y: greg@el­massian.co­m

    • December 4, 2018 5:07 PM EST
      • West Glocester, Rhode Island
         
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      Greg Elmassian said:

      Thanks, was just trying to get a feel for the actual size.

      In my research I found Tank cars made in many different lengths and diameters.  The 3.5" OD pipe is 8' 5.5" diameter in 1:29.  I have ordered some 4" OD Aluminum pipe which at 9' 8" will be closer to the 9' 10"-10' range of a General Service Car.

      I also did not realize Al Kramer sold complete trucks, will have to take a look at those, how do you like them as compared to Aristo or USAT?

      I bought these in bulk from him on eBay http://www.roll-ez.com/product/1pair-strongest-bettendorf-upgrade-freight-trucks/ . They are nice looking and super strong.  However, I plan on shaving off the center caps and drilling them to accommodate bearings and working center caps.

       

       

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    • December 4, 2018 10:25 PM EST
      • Missouri
         
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      Interesting bending jig there on Thingverse.

    • December 12, 2018 11:30 PM EST
      • West Glocester, Rhode Island
         
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      Added a control valve based on the New York Air Brake DB-60 and some holes in the reservoir to accept piping.  Question for 1:29 folks, What size wire do y'all use for grab irons?

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    • December 13, 2018 11:16 AM EST
      • Defending the State of Exile! ,
         
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      I personally use 3/64" but I model by eye and not to scale

    • December 13, 2018 12:24 PM EST
      • Carlsbad, CA
         
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      But rooster, that must be off from correct scale by at least 0.000004" !!! what the heck? Oh the humanity!

       

      this site has some interesting data on grab iron and piping dimensions:  http://www.urbaneagle.com/data/RRstddims.html

       

      Greg

       

      ____________________________________

      Be sure­ to visit ­my site, l­ots of tec­hnical tip­s and modi­fications,­ and you c­an search ­for topics­ and key w­ords.


      ­Click HERE for Greg­'s web sit­e
      PLEASE NOT­E: Please do NOT use private messaging, i­f you have­ a questio­n, feel fr­ee to emai­l me priva­tely, u­se regular­ email onl­y: greg@el­massian.co­m

    • December 13, 2018 12:43 PM EST
      • Pinon Hills, California
         
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      VERY NICE 1/29.

    • December 13, 2018 3:19 PM EST
      • West Glocester, Rhode Island
         
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      " Rooster " said:

      I personally use 3/64" but I model by eye and not to scale

      So that's 1.19mm.  Thanks!  That's close to 17 Gauge (1.15mm) which I what I was thinking would be a good balance of looks/durability.  3d printed parts that small would be too fragile but 17mm Electric fence wire should work!

       

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    • December 13, 2018 7:18 PM EST
      • Defending the State of Exile! ,
         
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      This post has been edited by ROOSTER : another useless post only to bump the count

    • December 14, 2018 4:37 PM EST
      • Cape Cod,
         
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       A very nice job on that tanker Dan and a great use of the 3D printer.

    • December 14, 2018 9:02 PM EST
      • Charlottesville, Virginia
         
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      Awesome work!  Just downloaded the files.  Ah, 3D printing and Xbees for the holidays.  It is going to be a great Xmas 

    • December 14, 2018 10:08 PM EST
      • West Glocester, Rhode Island
         
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      Thanks Guys!

      Martin Sant said:

      Awesome work!  Just downloaded the files.  Ah, 3D printing and Xbees for the holidays.  It is going to be a great Xmas 

      Keep in mind this is still a work in progress.  I'm working on a jig to make grab irons and will add holes to accept them.  Also, I bought some 4" OD Aluminum tube and will rework the parts for that size.  Adds $$ to the build but closer to most common prototypical tanks.  I figured out each PVC pipe car costs me $38.88 to build.  The aluminum pipe will add $12. 

       

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