70355 ⎘
Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls Proas, or similar twin-hull vessels with one main hull and one smaller hull or floater, interconnected by one or more outrigger beams or the like
VESSEL AND SYSTEM ADAPTED FOR COLLECTION OF DISTANT WINDPOWER
#2Multi-use configurable watercraft
#3Multi-person racing canoe
#4System to propel an air powered boat
#5Convertible rowing apparatus