craig-1233895 Posted December 17, 2021 Share Posted December 17, 2021 Just bought flying Scotsmen set what is best base to build on for long term project, plywood or chipboard ,all help appreciated thank you Link to comment Share on other sites More sharing options...
Rog RJ Posted December 18, 2021 Share Posted December 18, 2021 Plywood, the best quality that you can afford. Either 9 or 12mm thick. Link to comment Share on other sites More sharing options...
Bulleidboy Posted December 18, 2021 Share Posted December 18, 2021 I agree with Rog (RJ), and with a 3x1 support framework underneath - 3x1 gives room for underboard point motors - when you reach that stage. This pictures shows my boards under construction. These were produced from a commercially bought kit, but could easily be made by a good carpenter. Link to comment Share on other sites More sharing options...
Chrissaf Posted December 18, 2021 Share Posted December 18, 2021 Definitely, plywood.Chipboard will delaminate and crumble around the edges.MDF is too hard and is not suitable for locations that are not temperature and humidity controlled (out-houses, garages and sheds etc).Plywood is stable, soft enough to accept track pins without drilling pilot holes first and lighter than the other wood options. Link to comment Share on other sites More sharing options...
ColinB Posted December 18, 2021 Share Posted December 18, 2021 My layout was made about 30 years ago with fibre board, it was the thing at the time, good bit easy to cut holes in for under the point motors and push Peco long track pins into. Bad points degrades over time in the form of sagging, needs supporting with a wooden structure, absorbs water. If I had made a better supporting structure at the time I think the sagging would be minimal. MDF and chipboard difficult to machine if you use under point point motors, virtually impossible to push track pins into. MDF is much better than chipboard. Plywood light but again difficult to machine, cannot push or hammer Peco track pins into without bending, over time layers can lift. I just recently put an extension to my layout I used 6 mm plywood base supported on a wooden framework, on the top where the track runs I used 12 mm Fibre board which gives quieter running and I can push track pins into. I know I am going to gravel it eventually but for the initial laying of the track you need the track pins to keep it in place. Finally with all of these is weight, my layout is strung between the rafters of the loft, so I didn't want to use a very heavy material. Link to comment Share on other sites More sharing options...
37lover Posted December 18, 2021 Share Posted December 18, 2021 This question has been asked many times in the past and there are several responses. Personally I get upset with anyone who states it "must be", or " has to be". However, I think everyone will agree that the supporting framework is key and needs to be rigid. My own layout framework, in a dedicated heated & insulated room in the garage, is topped with 12mm MDF with a layer of Builder Merchant fibreboard glued over that. Link to comment Share on other sites More sharing options...
ColinB Posted December 18, 2021 Share Posted December 18, 2021 I agree 37 lover, if I was going to do it again I would go for the fibreboard over plywood instead of MDF, only because it is lighter. Link to comment Share on other sites More sharing options...
craig-1233895 Posted December 18, 2021 Author Share Posted December 18, 2021 Thanks a lot big help Link to comment Share on other sites More sharing options...
craig-1233895 Posted December 18, 2021 Author Share Posted December 18, 2021 Thanks everyone for help and knowledge, just new to the forum also, which am just getting to grips by was trying to reply individual but wasn’t quite getting it, am old school, going to go with the plywood and frame work, cheers Craig. Link to comment Share on other sites More sharing options...
96RAF Posted December 18, 2021 Share Posted December 18, 2021 Mine is ply on ply.9 mm top on 18 mm frames x 150 mm deep. Strong enough to climb on, but it is my last build so it will last. Link to comment Share on other sites More sharing options...
TFOCH Posted December 19, 2021 Share Posted December 19, 2021 I went with 12mm ply over a 39mm x 69mm frame.Just about everything else can be upgraded later, but your base is there for the life of the layout. Don't scrimp on it! Link to comment Share on other sites More sharing options...
morairamike Posted December 19, 2021 Share Posted December 19, 2021 In my case I used a different approach. On the surface it looks conventional but all my model surfaces can be removed from the frame work making them easier / lighter to lift. The picture shows construction of one board. Link to comment Share on other sites More sharing options...
TVR1707822112 Posted December 31, 2021 Share Posted December 31, 2021 I used plywood and it has not given me any grief. I think it is 9mm thick. Link to comment Share on other sites More sharing options...
Brew Man Posted December 31, 2021 Share Posted December 31, 2021 I eventually went for 12mm ply after first making the mistake of using Sundeala-expensive rubbish. I have no issues with the plywood. Link to comment Share on other sites More sharing options...
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