Ships – Hull or hull adjunct employing fluid dynamic forces to...
Patent
1998-05-20
2000-01-18
Sotelo, Jesus D.
Ships
Hull or hull adjunct employing fluid dynamic forces to...
114 67A, 244 121, 244233, B63B 100
Patent
active
06014940&
ABSTRACT:
A surface effect craft of simple construction achieving improved operational stability and performance at various speeds. The craft includes first and second main wing sections merge into the central hull to form a continuous aerodynamic wing structure. The wing structures are very thick with maximum thickness ratio of wing thickness to chord length on the order of 25-30% with the first and second wing sections being swept back, merging into first and second vertical side wall directional stabilizers, the wing shaped structure forming a generally U-shaped rear section (as best viewed from a rear plan or sectional view). The craft preferably includes an aft elevated secondary wing structure extending between the first and second vertical side wall directional stabilizers whereby both the main wing sections and the aft elevated secondary wing structure provide lift. The aft elevated secondary wing structure and the vertical side wall directional stabilizers form a box-shaped rear duct section within which a ducted fan propulsion is disposed.
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