Gary, I don't have a lot of experience on big multi's but getting towards experienced on lots of small ones, does this stuff sum? The “beak”...
Eric, Point taken on attachments to the deck adding complexity & cost the initial design I proposed had 7 points on the boat to attach rigging...
Attached a link to a rotating rig on an open 60 with deck spreaders / no mast spreaders http://www.360ouest.com/photo_fs.php?id=641 Diamonds...
I have a query which is at this stage only an academic enquiry, so some of the practical aspects of implementation the concept are not detailed....