Hi all (particularly in the UK)

I am a recent convert to loco model engineering and this site so any helpful advice is always welcome. I know all the caveats of boiler making, having worked with hydraulics and pneumatic systems all my working life, but I am looking for information on model locomotive boiler design. My current projects are a gauge 1 loco and a 3 1/2" Evening Star. The boiler for Evening Star will probably bought, but I would like to make a boiler for the gauge 1. Doing this will give me a better understanding of the workings of the boiler.

Final design is no problem, I was a machine tool designer (AutoCad, Inventor), so have the were with all to create a manufacturing model and drawings. I just need to see what changes I need to make to the model drawings I am working to, to make the design current.

I have searched through this forum and the net numerous times but cannot find anything that really helps. Question and answer on various topics is not what I am after, as per the forum, its a detailed start to finish design through to build.