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Lift out bridge for access walkway - Part 1


MattB

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I decided that this was likely to be the most difficult element of the baseboard build. I trawled the internet and youtube looking for ideas for how to construct these bridges as from previous experience I knew the following

 

  • They have to be rock solid and not move horizontally or vertically once in position
  • Ideally they need contact connections without having to plug something in separately.
  • They have to meet the connecting baseboards square on and not on an angle

 

DG Modelworks on youtube seemed to have the right idea I watched his two part videos (Making my Lift out Part 1 and 2) several times before deciding that this would be what I would go with. His baseboard thickness was different to mine so when I was building the 'abutments' I put in a 12mm piece of ply underneath the cut out section to take the dowels as they are around 10mm long.

 

My baseboard is 9mm ply but it will be topped with 2mm cork so the intention is to lay the cork and then cut out where the dowels are so it doesn't create a bump on the cork surface.

 

I prefer to use hand tools as I find although its slower I can be more precise.

 

3 dowels are now in - I recommend using clamps to hold the bridge in place while drilling through the bridge deck and the abutment so it doesn't wobble.

 

I did a rolling stock test to check I had the correct clearances, I used my widest Hornby stock to check the gauge. (all good). (I think im close to correct scale width)

 

Next job on this is to put some support frame in as its a bit flimsy and also some L shaped pieces on the edges to help prevent accidents

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I had some old L shaped bits from my old 1987 layout and I found that this is a really good way of preventing accidents. It doesn't look that pretty but this is a non scenic section. Underneath is a another piece of frame. 

 

Its rocks solid when in and easy to lift out.

 

Hoping to get some bits off Dad to complete the wiring and coppery bits

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