by steve » Wed Feb 03, 2021 12:59 pm
I had to correct something I said in my earlier post. I misquoted Eric Hiscock. He recommended that the combined strength of the shrouds on one side of the boat be at least 30% greater than the boat weight. So for a Top Hat each shroud should have a breaking strain above 1.1 Tonne. 5mm wire greatly exceeds this. Even 4mm exceeds it, which is presumably why Contessa 26s (and Chunderguts' Top Hat) made in the 1970s used 5/32 inch (4mm) wire for the lower shrouds.