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ModelRailroadForums.com is a free Model Railroad Discussion Forum and photo gallery. We cover all scales and sizes of model railroads. Online since 2002, it's one of the oldest and largest model railroad forums on the web. Whether you're a master model railroader or just getting started, you'll find something of interest here.


  1. ikallio1

    Scratchbuilding a turntable

    Scratchbuilding a turntable: electronics Disclaimer This is a construction journal, not a plan to be followed! If you are inspired to build something after reading these articles, do so at your own risk. Take the necessary precautions for safety. Working with powertools and electricity is...
  2. ikallio1

    Scratchbuilding a turntable

    Scratchbuilding a turntable: design Disclaimer This is a construction journal, not a plan to be followed! If you are inspired to build something after reading these articles, do so at your own risk. Take the necessary precautions for safety. Working with powertools and electricity is...
  3. ikallio1

    Checking my electronics math...

    Looks good to me. Just remember you need to pick a resistor value higher than 715 ohm to keep the current under 20mA. A 1k resistor would probably work just fine unless you absolutely need the maximal brightness. -ik
  4. ikallio1

    Scratchbuilding a turntable

    Scratchbuilding a turntable: plan Disclaimer This is a construction journal, not a plan to be followed! If you are inspired to build something after reading these articles, do so at you own risk. Take the necessary precautions for safety. Working with powertools and electricity is dangerous...
  5. ikallio1

    Scratchbuilding a turntable

    Greetings from a new member! I am currently building a small layout for my kids (my excuse anyway :-). We've completed the benchwork and most of the trackwork. I thought I'd try a nice simple turntable project for my first major modeling exercise. After searching these forums and the...
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