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You may have seen this idea a few months ago as I was experimenting with this on a pool table.  Seeing how it worked, I made it into a 3’X 8’ portable layout.  It’s pretty easy to transport.  The track and draw bridge are fasten to the table so only have to put the plasticville houses and scenery in boxes.  

Doug

https://youtu.be/CGSFTfia3Rk?si=dI9ZcK_bdRL6ZgnQ

Last edited by boomer0622
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Thanks for the compliments, it was a fun project.  The start/stop portion is controlled by the bridge position.  There are 4 insulating pins,  2 on the top and 2 on the lower section of tracks,  one on each side of the bridge.  When the bridge starts up it immediately cuts the power to the top track section close to the bridge.  When it's fully up it then applies power to the lower track section.  The sections outside of the insulating pins have power all the time via jumper wires.                             The operation of the bridge is controlled by a remote button attached to a 10ft. pigtail wire so I could walk around and let the visitors operate the bridge.

I'll try to draw us a schematic and post later.

Doug

@boomer0622 posted:

Thanks for the compliments, it was a fun project.  The start/stop portion is controlled by the bridge position.  There are 4 insulating pins,  2 on the top and 2 on the lower section of tracks,  one on each side of the bridge.  When the bridge starts up it immediately cuts the power to the top track section close to the bridge.  When it's fully up it then applies power to the lower track section.  The sections outside of the insulating pins have power all the time via jumper wires.                             The operation of the bridge is controlled by a remote button attached to a 10ft. pigtail wire so I could walk around and let the visitors operate the bridge.

I'll try to draw us a schematic and post later.

Doug

Looking forward to the schematic.  From the drawbridge video, it looks like there are a lot of wires and lockons, but it's hard to tell where everything is hooked up.

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