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Reply to "Lance Junction - Updated 10/6/2020"

@ScoutingDad posted:

Lance, if you ever figure out how to get the track clearance at the hinge end please post some photos. On my three movable bridges, I have found I needed to have the ability to fine tune the joint areas due to wood movement and use of the mechanism. I get side to side movement and up and down movement - not a lot - but enough for an audible bump especially in a height difference. I use a combination of shims and flat head wood screws to be able to make adjustments at the joint. I found permanently mounting the track to the removable section and having an overhang so the track joint and base joint do not overlap solved a bunch of issues. Duck unders got old really quick.    

 

I ended up going with a lift out. There were a few things I wanted and the lift out better suited me. I know lots of folks say the “hinge point” has to be above your rails or higher per say to make it not bind. 

I also didn’t want to have a connection I had to manually unhook so I’ve got creative with dowels and my 3D printer and have been working on a disconnect I think will work great. It’s not wired up in the photo yet but it makes the connection snug yet still can lift out with minimum effort.  Put in some micro switches on each side aswell to kill the oncoming track power in case the bridge is not in place. 

522C63E4-CFA7-4280-B3C4-78DC44174F3F

E36B5693-BC0C-4E05-ACD9-DEB47E1E3924

Last but not least, here is the updated track plan as the table sits. I ended up wanting a town so I changed a few things around thus had to change the bridge design slightly.

TrackPlan5-18

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Images (3)
  • 522C63E4-CFA7-4280-B3C4-78DC44174F3F
  • E36B5693-BC0C-4E05-ACD9-DEB47E1E3924
  • TrackPlan5-18
Last edited by Lancer

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