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  • Topic: Type-E couplers & draft gear

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    • April 8, 2017 9:06 PM EDT
      • Sparta, TN
         
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      Type-E couplers & draft gear

      Since I have gotten a little more confident in my wax pattern making, I have decided to revisit my coupler design. A while back, I decided to see if I could model a working draft gear. Here is my first attempt:






      I am also in the process of designing a trip pin mechanism that can be triggered by an operating rod (cut bar).

      Here's a 3d rendering:




      And here's the pattern I'll use to make a mold from:



      These will get pinned together with .032" rivets.

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    • April 8, 2017 9:38 PM EDT
      • Port Orchard, Washington
         
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      Okay this is way too cool for words. In assuming that the draft gear box is to scale as well? This might be the final straw for me to start working in brass on another snow Dozer...
    • April 8, 2017 9:40 PM EDT
      • Settle Down Boomer ,
         
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      Hehe....Burl you need to find yourself a hobby.

      FANTASTIC !

    • April 8, 2017 10:47 PM EDT
      • Sparta, TN
         
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      Craig: as much time as you've put in that thing, you better finish it!
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    • April 21, 2017 9:29 AM EDT
      • Sparta, TN
         
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      I got distracted last week with some unexpected dental work, but have gotten back to wax casting.  Here's the latest batch about to be sent off to the foundry:

       

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