Thanks to one and all that posted constructive criticism. Actually the whole thing was a blind to data gather for research on thread drift and the number of posts that is considered sane!
I had a very nice (probably) farewell sail on my boat over the weekend. I shall now devote myself to the problems of selling a half-share, which seems to be a difficult percentage. I am not optimistic about the prospect, but am unable to turn my back on the sea.