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There is a lightweight joint compound (for drywall) and we are going to mix a batch of the stuff, watered down instead of Plaster of Paris. Next for the binder, hardware stores sell a product called "Box O Rags" and we will dip these into the watery joint compound mix, and place it onto the foam substrate. It will require 2 layers. Then with the miracle of paint and some scenic materials, it will appear as real as nature intended. The 4 wooden supports will be replaced by a removeable wooden trestle because, it all needs to come apart for the move to another state. This section is the first area we began to foam, so will most likely be the first to be "Plastered"
You may ask... "What is the advantage of a "Box 'o Rags" soaked in thinned out joint compound be over simple Plaster cloth?
We are old enough to remember making mountains out of a flour and water paste and newspaper strips covering chicken wire stapled to wooden supports. You then used Rit dye, and sprinkled some of the green sawdust about, and you were done. The concept of plaster cloth is something newer. It is simple, and is great for small layouts, but can be a very costly method to cover a large layout. So the joint compound/rags technique is being used for economic reasons.
The table area is 320 square feet. Considering the vertical surfaces and inclines, it's at least 600 sq.ft. to cover, and it needs to be 2 layers thick, so 1200 sq.ft.. Plaster cloth is .85 for a sq.ft., for a cost of $1020 for the plaster cloth. On the other hand, it will take 10 lbs. of the joint compound and about 4 boxes of rags for a cost of about $80. Big, big difference.
Just a quick update for those who were following this project. The layout has been completely disassembled, and is curently residing in a barn. The client has moved to Kentucky, and is currently building a building to house this layout, the new building is 35 x 55, so naturally he has ideas to expand the uncompleted layout. Meanwhile, parts of the layout are at the shop and parts of it will be reassembled at our off-site facility to be detailed, and then transported to Kentucky to be reassembled in the new building. We're starting to think there is going to be a book in here somewhere. This is easily the largest and most challenging layout project we have ever been involved with. More photos will be posted as things progress.
The use of Fastrack choice was made by the client. He wanted a playful layout for running trains with his 3 grandchildren and was not interested in such details as ballast. We had not used it that much, and were not respecting the product, because Lionel took so long to get all of the pieces to market. Needless to say, we were apprehensive about working with an unproven product. It was, however, a complete joy to work with. Our style of layout building is not to over-engineer the design, so it will have some flexibility during construction. We did make changes and adjustments as we built and the Fastrack was completely unforgiving about it. The connecting pins worked perfectly through many disconnects and adjustments. Also, when it came time to dissasemble the parts of the layout to move it into storage, it was very easy to remove track at the joints between the tables, thus allowing the tables to slip apart easily. We suspect that it will only be a matter of putting the missing pieces between the tables and bolting them together as the tracks slips into position.
We are now, of course, converts to the Fastrack system, and there seems to be a trend among customers towards track that has the ballasted plastic base. The only negatives we've observed are of course the track is very loud, and must be insulated from the table tops, but really, what track doesn't?
The client has already moved, and his new building is under roof, He just came back to visit me and we discussed his paint colors, floor treatment, lighting, shelving and also the large scale layout that will run around the outside walls. We're involved with the entire process so the it's not just a layout, it's an entire experience. So we'll be taking a few vacations in Kentucky, most likely starting for a week next summer.
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