A hypothetical sailing (coastal cruising) catamaran, S/V Hypothetical (LOA 12.9m BOA 7m), has a list of requirements. The most challenging...
Globetrotter 45' cat ketch, can be built in composite, wood-epoxy, or aluminum. Rig is carbon fiber free-standing wingmasts with half wishbone booms.
Free-standing Cypress-epoxy rigs with half-wishbones for the Prema Dinghies by Wooden Boathouse.
Wingmast design for the GT80 sloop being built in Holland