Hello Tom, Nigel, Tom and everyone
I too have been scrolling through these pages for a few months now and have been mentally designing a rocket mass heater.
My girlfriend Elena and I moved to Asturias a couple of years ago and we have been living in an old cuadra turned cabaña in Villanueva de Santo Adriano for nearly a year.
I need to take some measurements and draw up a design more sophisticated than a few scribbles for this beautiful heated booth I'm imagining. When I do I'll be sure to share it on here.
I've also read Ianto and Leslie's book and am now looking for materials.
We started a permaculture "Round up" group with a few couples and families in our valley who are rebuilding houses, creating food forests or have an interest in permaculture and the associated lifestyles. The idea of the group is to do a permablitz on someone's project and do in an few hours with a dozen humans what would take one of us several weeks. It's also a great chance to meet up and eat good food together. You're very welcome to join the next time we get together, and a couple of us are interested in RMHs too.