Sailing yacht

  • US 5,163,377 A
  • Filed: 05/09/1991
  • Issued: 11/17/1992
  • Est. Priority Date: 05/09/1991
  • Status: Expired due to Term
First Claim
Patent Images

1. A sailing yacht comprisinga sailing hull having a bow and a stern extending along a centerline at midships, and having port and starboard sides, and a mast, comprising:

  • a ballast,an elongated strut having one end connected to said ballast for supporting the same,means for mounting said strut to depend from said hull for supporting said ballast generally below said hull for countering heeling thereof under sail and for providing movement of said strut about an axis lying fore and aft on said centerline,means connected to said strut for shifting said ballast to port or to starboard from a generally mid position and for securing said ballast at any position therebetween while said yacht is underway,fore and aft foils mounted for rotation about axes extending below said hull fore and aft of said strut and ballast,a first control means connected to said foils for counter rotation thereof for cyclic steering by turning said foils in opposite directions to port or starboard for creating a yawing moment for steering said yacht on its course,a second control means connected to said foils for turning said foils in the same direction for collective steering,each of said first and second control means being operable independently from the operation of the other.

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