Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines

Then perhaps you would want to be looking into something like this, which would be a perfect match for your S-50.

https://www.ebay.com/itm/116197059149?

Hmph!  Well, I have some options here.  The Jensen boiler is awesome but it’s a bit small.

If I upgraded to a Stuart boiler and added some cladding to the pipework, it may be awesome. 

Thanks for the insight, will keep you posted what I do.