Hi Manfred! "Ooops!" - sounds very optimistic. :-) Results are convincing. What are difficulties were in taming this couch? Is it possible to turn your head for rear vision? How can feel the backbone on a bad road (for example on the well-known roads of Russia)?
Dear Olga, I am pleased about your interest! The greatest difficulty with the couch is finding the balance at low speed. The bad stability was apparently caused by bad weight distribution. It was too much weight on the front wheel. So I have rebuilt the couch again something. I have mounted the seat more to back and shortened the bracket beam accordingly. Now the couch at low speed is a little more stable :-) The mirrors are required. I cannot turn the head so much to look back. Yesterday I cycled the first 200km-brevet recumbently. I was happy with the couch. It is really very comfortable :-) The feel of the couch on Russia's roads, I can report to you in a few weeks.
So Manfred has found his balance on his couch cycle! Well done! I have always wondered what a cyclist on a couch cycle can see of the road. Now I know!