B - Operations – Transporting – 63 – H
Patent
B - Operations, Transporting
63
H
B63H 9/06 (2006.01)
Patent
CA 2582206
A sailboat includes a sail assembly with opposing upper and lower ends, a leading edge and a trailing edge. The sail assembly is normally offset from the hull and oriented for generation of a propelling force substantially free of heeling moments. A support structure supports the sail assembly for rotation about an axis inclined relative to vertical and substantially parallel to the leading edge. The support structure includes an upper rotary joint mounting the upper end of the sail assembly to the support structure and a lower rotary joint mounting the lower end of the sail assembly to the support structure. The rotary joints are positioned to allow unobstructed rotation of the sail assembly fully through 360 degrees about the inclined axis. At least part of the support structure is mounted for rotation together with the sail assembly and the inclined axis relative to the hull, largely eliminating weather helm. Controls are provided to permit adjustment of the angular orientation of the sail assembly about the inclined axis thereby adjusting propelling force.
Higginson Matthew
Waraksa Mirek A.
LandOfFree
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