..... Bob
Beam me up, Scotty, there's no intelligent life down here. (Captain Kirk)
I reject your reality and substitute my own. (Adam Savage)
Resistance is not futile--it is voltage divided by current.
The sections/dominos can be attached to each other be screws or clamps or any number of ways. The domino design was conceived as a way to let a club build a layout with each member building a section and putting it together when the club was setting up to run the larger club design. A home based layout based on the domino design can be put together so that if you need to move it you can take the connecting screws out then moving the dominos. This is how my home layout is being built.
As for the backdrops, if you are making two foot by four foot dominos make the backdrops match the length of said domino. Say two foot high by four foot long and simply use screws to attach it to the back of the domino centering the screws on the domino.
to keep the backdrops aligned at the top meets edge just a wood block with a slot cut in it to slid over both pieces will do or even a small wood block screws installed from the front.
BTW numbering the backdrops will help in placement if you should ever remove them and need to replace em.
Two screws should hold the backdrop just fine as long as your not moving the dominos a lot with the backdrop attached or your layout is not subject to hurricane force winds.
Johnnny_reb Once a word is spoken it can not be unspoken!
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Bob,
I had the chance to visit David's Cat Mountain and Santa Fe before he tore it down to build the modular version in the June 2007 issue. I'd send him an email to see if he can give you more information. Here's a link to his website that will help you:
http://www.davidbarrow.com/contact.php
Don Z.
Research; it's not just for geeks.
Andy Sperandeo MODEL RAILROADER Magazine
Thanks, Andy, that was exactly the answer I was looking for. I may have to move some track to allow for the extra 6" (those sections will make an L-connection with a wall mounted "domino") but when my son was visiting today he suggested a small space I could expand into that I had overlooked. Hmmmmm. Back to the drawing board for some small modifications.