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  • Topic: D&RGW 6500 series fishbelly flat car in Fn3

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    • August 9, 2017 8:30 AM EDT
      • Alawa, NT
         
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      D&RGW 6500 series fishbelly flat car in Fn3

      Hi all, new to the forum from Australia. 

      I’ve been working away over the past year or two on art work for a D&RGW 6500 narrow gauge flat car. It’s a prototype I’ve been interested in for a while and I have taken advantage of laser cutting and 3D printing to start to make a model in Fn3.

       

      So far, I have drawn artwork and had laser cut styrene parts cut (and a timber deck), the pictures show it does goes together, but I have made a list of changes to make it better. I have also had a set of 3D prints of the trucks, and awaiting the updated version in print now. I’m also waiting on several detail parts to be 3D printed, for example, steps, grab irons, stake pockets, cut bar brackets… 

       

      The below picture is the trial laser cut, it’s a bit hard to tell form the photo, but I have only added a few rivets in the middle… many many to go. Also, the AMS trucks are just fill in until I have the narrow gauge Bettendorf’s sorted.

       

       

      The next picture shows the first print of the Bettendorf’s side frames, note the journal lid is a separate print to make it easier to cast in white metal if i choose to.

       

       

      Its really great to see the project finally materialise.

       

      Alan

      This post was edited by Alan Thomas at August 9, 2017 8:48 AM EDT
    • August 10, 2017 4:33 PM EDT
      • Sylvester, Ga
         
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      Looks good and Welcome Aboard.

       

    • August 10, 2017 4:57 PM EDT
      • Your Host in Littleton, MA
         
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      Really nice. That something I've wanted to model but haven't got around to.
      ____________________________________

      Bob, your Site Host and Benevolent Dictator.

    • August 10, 2017 8:52 PM EDT
      • Settle Down Boomer ,
         
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      Welcome Alan

      VERY Nice Bettendorf side frames!!!!

      Will you go crazy and extend the flat with Buckeye trucks ?

       

    • August 10, 2017 9:39 PM EDT
      • Your Host in Littleton, MA
         
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      The cut styrene would be a nice craftsman kit.
      ____________________________________

      Bob, your Site Host and Benevolent Dictator.

    • August 10, 2017 11:33 PM EDT
      • Clovis, California
         
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      Welcome Alan,  

      looks like a well planned project. I look forward to your posting your progress. That side frame print quality is great!

      John

    • August 11, 2017 8:24 AM EDT
      • Alawa, NT
         
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      Thanks for the support and kind words. Yes, I have tried to think the project through and take my time. Main reason is (and I’m glad you mentioned Bob) I am considering offering it as a kit if I get the all the customer masters required to make castings.

       

      Rooster, Buckeye trucks are an awesome thing, and a set in Fn3 would be great one day just because we can!

       

      It would be great if people could send me a mail to alanthomas1985@gmail.com if you would be interested in purchasing a kit when I’m finished. No pressure to purchase, but letting me know your interest will let me get in contact once I’m ready and to keep me motivated. Also letting me know will help give me an idea of costs, because casting get much cheaper per item depending how many you order. 

       

      This photo shows a 3D printed grab iron and I was really surprised how well it turned out. It’s a great material for a grab because it bends without distorting, unlike white metal castings. The catch is they are much more expensive at $3.60 US printed by Shapeways in frosted extreme detail. The rivets you can see are O scale rivets from Titchy Train Group, and no I haven’t counted how many I need yet to complete the model.

       

       

       

      Thanks

      Alan

      This post was edited by Alan Thomas at August 11, 2017 8:40 AM EDT
    • August 11, 2017 11:27 AM EDT
      • Fort Myers Beach & Annapolis, Florida & Maryland
         
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      Alan,

       

      I'm sure you've noticed Alan Friedland's models at G.A.L. which are mostly 1/29th - but have lots of rivets.  I think he uses Tichy rivets currently, but he's working on a punch that will take a CAD file and produce a riveted side of a model in thin styrene.  http://www.thegalline.com/index.html

       

       

      There's also the couple of recent threads mentioning Archer decals - my pic of the Tichy and archer rivets is there.

       

      You may be interested in a little history.  About 10-12 years ago, Ken (Mr RGS SJD) made some 6500 series cars in resin for Warrior Run Loco Works, a store run by Clem.  He probably has one of the cars sitting around, if it didn't go in the fire.  He might know where Ken got the trucks.

      This post was edited by Pete Thornton at August 11, 2017 11:28 AM EDT
      ____________________________________

       

        Pete

    • August 11, 2017 12:34 PM EDT
      • Heel Rooster!, Good Chicken
         
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      Great stuff!

      ____________________________________

       

      Boomer

      "Why is it when when the train goes over the cliff I am the only one stoking the fire and screaming, wonder how much distance we will get this time?", from The Book of Boomer, chapter 16, verse 1

       

    • August 12, 2017 8:00 PM EDT
      • Alawa, NT
         
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      Pete

       

      Yes, I know Alan Friedland's work, he cut styrene for me for this project, he was helpful offered some great tips to help me along.

       

      Funny thing is I have one of the Warrior Run Loco Works flats, I purchased it off eBay just after I had the first set of 3D prints arrived. The main aim of theis project was I wanted to teach myself 2D and 3D CAD and to take those skills and a made a model… doing it the hard way, but for good a learning exercise.

       

      The below picture is a comparison picture between the Warrior Run side frame and mine for interest, I’d never done it until now.

       

       

      Thanks

      Alan

      This post was edited by Alan Thomas at August 12, 2017 8:06 PM EDT
    • August 13, 2017 1:48 PM EDT
      • Fort Myers Beach & Annapolis, Florida & Maryland
         
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      Just to stick to sideframes for a moment . . (Your printed ones look great, by the way!)

      These are the Vulcan version of the AAR steel truck frames, from the Cyclopedia:

       

       

      And on an EBT car:

       

       

      These are available in 1:20.3 from RY Models (Rich uses them on his EBT hoppers.)  Here's an unpainted sample, brass:

       

       

      I also have some Andrews versions, with an extra strap, which came from Phil Dippel.  I filed off the strap to make them into Vulcans!  While Phil is no longer in business, he might know where they came from.

       

       

      I suspect they might be a bit stronger than plastic?

      This post was edited by Pete Thornton at August 13, 2017 1:53 PM EDT
      ____________________________________

       

        Pete

    • August 13, 2017 7:35 PM EDT
      • Settle Down Boomer ,
         
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      Alan Thomas said: Rooster, Buckeye trucks are an awesome thing, and a set in Fn3 would be great one day just because we can!

       

       

       

      AMEN!

    • August 14, 2017 8:27 AM EDT
      • Alawa, NT
         
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      Pete

      Sloans books refers to the trucks under the 6500 flats as 4' 11" wheelbase cast steel Bettendorf type, unfortunately that book nor others I have has a detailed drawing of the trucks. I did use the drawing within Slim Gauge Cars as the base for the 3D printed side frame, but I wish I had the prototype just up the road to understand the construction a bit more in person - I can't claim them as 100% perfect.

      The 3D printed side frames are surprising strong, mostly due to the thickness, but the aim is to use them as a master for a metal casting. As I'm after a few for myself the main driver for making castings is cost, a 3D printed truck pair comes to a total of  all components is $155 US in Shapeways Frosted Ultra detail, lets hope I can do better in metal!

      Thanks

      Alan

    • August 14, 2017 6:14 PM EDT
      • Pittsburgh, Pennsylvania
         
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      Many of the early Bettendorf trucks were T section Bettendorfs.

      ____________________________________

      Shannon car Shops
      Home of the infamous leg lamp

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

      and King Butt Modeler

    • August 14, 2017 10:26 PM EDT

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      You may wish to invest in this book:

      http://www.quickpicbooks.com/files/drgw6500flatbook.html

       

      Robert

    • August 16, 2017 9:19 AM EDT
      • Alawa, NT
         
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      Robert, could be a birthday present! thanks.

       

      Alan

    • August 16, 2017 9:23 AM EDT
      • Alawa, NT
         
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      The next picture shows the progress I made on the underbody. 5 points to the person who can pick the error in my work!

       

       

       

      This post was edited by Alan Thomas at August 16, 2017 9:24 AM EDT
    • August 16, 2017 4:30 PM EDT
      • Pittsburgh, Pennsylvania
         
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      Must be the brake rigging. Looks to be a rod going from the pivot point to the pivot point.

      ____________________________________

      Shannon car Shops
      Home of the infamous leg lamp

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

      and King Butt Modeler

    • August 16, 2017 5:26 PM EDT
      • Southwestern, NH
         
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      Alan,

       

      have been watching your progress, looks good. one thing to me that looks wrong with your brake rigging is that your brake cylinder seams awful small. if you send me a PM with your address I can send you a correctly scaled 1:20.3 Brake cylinder and maybe a couple of other trinkets that are not commercially available.

      Al P.

    • August 16, 2017 5:47 PM EDT
      • Fort Myers Beach & Annapolis, Florida & Maryland
         
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      Well, on the right you got the 'floating beam' (bar that's pivoted on the top end in your pic) linked to the cylinder and then there's the rod to the truck brakes.

      On the other end, however, the link to the lever carrier isn't reversed, so with your setup, if the cylinder pulls on the right and sets the brakes on the right, then the brakes on the left will be pushed off (released).

       

      Attached is Ozark's K brake diagram for your amusement.  (Well, click this link for one you can actually see!)
      /Ozark-K-brake-Diagram.jpg

      This post was edited by Pete Thornton at August 16, 2017 5:56 PM EDT
      ____________________________________

       

        Pete

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