You seem to have made a number of post today, some troll like. This is one of them and maybe there's a question in there or a point you're attempting to make, but to most the answers are obvious, class and rule related or simply economics. If you're referring to a fractional gaffer, being converted to a masthead (or fractional) Bermudan (Marconi was a term used on all wire stayed rigs, regardless of type, BTW), no you can't just hoist a Bermudian main and head off. Well, at least not with a well balanced boat anyway. So, which "classic rigs" are you referring? The old universal rule boats, the CCA's, what?