These are all old builds, and in retrospect should have been posted at the beginning of these series. They often represent the first, hesitant steps on scratchbuilding.
Here is another from 2006, 13 years ago (original text as posted then):.
Look! it's a spaceship from Saturn!...a flying doughnut!...the last area 51 project!...well, actually not.
It is a pioneering plane devised by two gentlemen from Britain a few years ago (more than a hundred, actually) to take advantage of an interesting aerodynamic concept. And yes, it flew...eventually.
It was powered by an enclosed 80 hp Gnome engine, could carry two people and had elevons.
After a research session in my library and the Net, I found notes and images that helped a lot, but I also found the seemingly unavoidable contradictions among references that I like so much.
Anyway, choices were made, a new # 11 blade was inserted in the handle and very much in Monty Python's Holy Grail fashion we went, to travel across the meandering paths of scratchbuilding, clapping our coconuts.
As you can see in the images, the usual pre-kit is cut from styrene, a 7 cylinder engine made of the same material and some spare parts adapted for the occasion.
Finally, the strange but beautiful shape of the Lee-Richards annular wing will cruise again on the sky of imagination.