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I used that book exclusively. It is so much simpler to build. I think you can build the 12 x 8 with only four legs. The "U" sections are 14 X 7 and I had my 215 lb. up there a lot when I was building and a couple times since. I actually could have done it with only four legs, but I had enough lumber to do the end without buying any more. I just used 2 X 4 legs because I had used ones already. The table is 20' long and 16' wide at the far end.Train room4Train room5Train room7

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John H posted:

I used that book exclusively. It is so much simpler to build. I think you can build the 12 x 8 with only four legs. The "U" sections are 14 X 7 and I had my 215 lb. up there a lot when I was building and a couple times since. I actually could have done it with only four legs, but I had enough lumber to do the end without buying any more. I just used 2 X 4 legs because I had used ones already. The table is 20' long and 16' wide at the far end.Train room4Train room5Train room7

Wow, thanks for the pics. I am not sure why I was thinking 3 ea 4 x 8 foot tables side by side, when I could build 1 framework for the 8 x 12 table. I am not sure how easy it would be to crawl under the support to stack boxes when it will be surrounded by 3 walls. I need to read the book a little closer.

Joe Gozzo

 

One question I have about L girder, when I see pictures of layouts where they use the joists they generally have one side or both ends of the joists extend beyond the L girder.  Is there a need to do this? From what I have seen they seem to often have the L girder "box" around 30" wide then use the joists  to extend out to three feet. Would making the l girder "box" 36" wide and the joists span 36" be weaker than a 30" box with 36" joists?  

Last edited by bigkid

I have been building my layout following his L girder benchwork guidelines for several years now.   I am totally sold.   I found everything he presented as advantages of this type of construction to be true.  It's lighter, its stronger, I have fewer legs  which is a dream when I get under it on my crawler on wheels.   The 1 x 3 and 1 x 4 lumber definitely warps less than cheap 2 x 4's.   The only minor changes I have made is I started using exterior grade mahogany 1 x 4 x 12 or 14 foot long boards for my L girders only....  It's about $2.25 per foot at a local lumber store and it's way stronger and dimensionally stable than pine so for a major structural member it was worth it to me.   I really like having 8 to 9 feet between the legs. 

 I am also building my layout in modules that I can move if I have to so the joists become the frame work for the module that can slide on joists and be assembled or disassembled easily on the L girders...   Already had to move the first 3 (8 foot) long sections after my dad passed away and I moved into his place, and sold mine 3 1/2 years ago.  

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