this is awesome!
great build, how are the sandwich panel and the polyurea skin working?
how thick is the polyurea?
What design software are you using?
This is very interesting. I'd like a little clarifacation if I can. Basic construction is light wood framing with extruded foam. Covered in thin PVC foam correct? Why the PVC foam covering?
This is then covered in Polyurea. I take it this is pretty much the same thing as the spray on bed liners here in the US? Similar to Rhino Liner? Would a do it yourself product like herculiner or Water based tough coat work in a similar fashion. They are both tough but I haven't used either on foam of any sort.
Sorry if I sound dense. On another site there are many folks building small trailers out of extruded foam covered in canvas and woodglue / paint like an old airplane wing. Pretty cheap/strong construction. Looks like you are doing the same thing but with hi-tech covering materials. I'm really liking this design idea. Looks like it could easily be duplicated by a home builder. Just the concept not your exact layout of course.