Hi,
I'm building a 5" gauge 0-4-0 loco, 'Dougal' which has a port block the full width between the frames. What sort of gasket should I use, and what machining allowance should I make for it. The only gasket supplier I've found so far is Reeves who offer a 1/64 gasket sheet. I'm a beginner, and really not sure what I should be using here. I don't want to use a gasket paste, silicon or such like - that just seems to go against the grain.
Many thanks Mark