(WO/2000/013962) PLANING WATERCRAFT HULL AND PROPULSION SYSTEM
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CLAIMS 1. A planing hull comprising a bow, a stern, a fore portion, an aft portion, an upper deck portion and a lower hull portion, said lower hull portion further comprising a substantially T-shaped bottom face, said bottom face substantially comprising the lower hull portions of said fore portion and said aft portion, said fore portion comprising said bow tapering outwardly toward said stern to a point proximal said stern, said aft portion comprising said stern extending to said point proximal said stern, said bottom face of said lower hull portion of said fore portion gradually curving upwardly toward said bow and further comprising a centerline formed in said bottom face of said lower hull portion, said bottom face of said lower hull portion extending outwardly from opposite sides of said centerline forming a V- shaped bottom face.
2. The planing hull according to claim 1 further comprising at least one cockpit formed in said upper deck portion.
3. The planing hull according to claim 2 further comprising at least one compartment formed within said upper deck and said lower hull portion.
4. The planing hull according to claim 3 further wherein said compartment further comprises an opening in said upper deck for receiving a power source, and wherein said hull further comprises at least one watertight hatch for sealing said opening.
5. The planing hull according to claim 4 wherein said compartment further comprises a power source mounted therein.
6. The planing hull according to claim 5 wherein said power source is removably mounted.
7. The planing hull according to claim 6 wherein
said power source is a motor linked to a fuel source.
8. The planing hull according to claim 7 further comprising a means for accelerating water sternward and an intake means communicating with a body of water on which the hull is located for providing water to the means for accelerating water.
9. The planing hull according to claim 8 further comprising a means for connecting said power source to said means for accelerating water sternward, a means for steering said planing hull and a throttle means operatively connected to said power source and controllable by an operator of said planing hull.
10. The planing hull according to claim 9 wherein said means for accelerating water sternward is contained within said compartment.
11. The planing hull according to claim 10 wherein said means for accelerating water sternward is removably mounted within said compartment.
12. The planing hull according to claim 11 wherein the fuel source is a tank for containing combustible fuel and the motor is an internal combustion engine.
13. The planing hull according to claim 11 wherein the fuel source is a battery and the motor is an electric motor.
14. The planing hull according to claim 8 wherein the means for accelerating water sternward is a water jet propulsion unit.
15. The planing hull according to claim 8 wherein the power source and the means for accelerating water sternward are disposed such that the watercraft is self- righting.
16. The planing hull according to claim 12 wherein said motor is a four-stroke engine.
17. The planing hull according to claim 1 further
comprising at least one pair of strakes formed on said bottom
face of said hull.
18. The planing hull according to claim 9 further comprising at least one pair of strakes formed on said bottom face of said hull.
19. The planing hull according to claim 1 further comprising a handle means formed therein for carrying said hull.
20. A planing hull comprising a bow, a stern, a fore portion, an aft portion, an upper deck portion and a lower hull portion, said lower hull portion further comprising a substantially T-shaped bottom face, said bottom face substantially comprising the lower hull portions of said fore portion and said aft portion, said fore portion comprising said bow tapering outwardly toward said stern to a point proximal said stern, said aft portion comprising said stern extending to said point proximal said stern, said bottom face of said lower hull portion of said fore portion gradually curving upwardly toward said bow and further comprising a centerline formed in said bottom face of said lower hull portion, said bottom face of said lower hull portion extending outwardly from opposite sides of said centerline forming a V- shaped bottom face, at least one cockpit formed in said upper deck portion, at least one compartment formed within said upper deck and said lower hull portion, said compartment further comprising an opening in said upper deck for receiving a power source, said hull further comprising at least one watertight hatch for sealing said opening, and a power source mounted in said compartment ; a means for accelerating water sternward disposed within said hull and an intake means communicating with a body of water on which the hull is located for providing water to the means for accelerating water, a means for connecting said power source to said means for accelerating water sternward, a means for steering said planing hull and a throttle means operatively connected to said power source and controllable by an operator of said planing hull.
21. The planing hull according to claim 20 wherein
said power source is removably mounted.
22. The planing hull according to claim 21 wherein said means for accelerating water sternward is contained within said compartment.
23. The planing hull according to claim 22 wherein said means for accelerating water sternward is removably mounted within said compartment.
24. The planing hull according to claim 23 wherein the means for accelerating water sternward is a water jet propulsion unit.
25. The planing hull according to claim 24 wherein the power source is a tank for containing combustible fuel and the motor is an internal combustion engine.
26. The planing hull according to claim 25 wherein said motor is a four-stroke engine.
27. The planing hull according to claim 24 wherein the fuel source is a battery and the motor is an electric motor.
28. The planing hull according to claim 20 wherein the power source and the means for accelerating water sternward are disposed such that the watercraft is self- righting.
29. The planing hull according to claim 20 further comprising at least one pair of strakes formed on said bottom face of said hull.
30. The planing hull according to claim 1 wherein
said hull comprises two discrete, connectible units comprising
said fore portion and said aft portion, said fore portion and
said aft portion further comprising complementary connectible
mating means for connecting said fore and aft portions to form
said hull.
31. The planing hull according to claim 20 wherein said hull comprises two discrete, connectible units comprising said fore portion and said aft portion, said aft portion further comprising said means for accelerating water sternward and said power source, said fore portion and said aft portion further comprising complementary connectible mating means for connecting said fore and aft portions to form said hull, and further comprising handle means formed in each of the fore portion and aft portion.
32. The planing hull according to claim 1 further comprising a power source mounted thereon.
33. The planing hull according to claim 32 wherein said power source is removably mounted.
34. The planing hull according to claim 1 further comprising a power source and a means for accelerating water sternward.
35. The planing hull according to claim 34 further comprising an intake means for communicating with a body of water on which the hull is located for providing water to the means for accelerating water.
36. A watercraft comprised of a fore portion having a longitudinal centerline and opposing longitudinal sides that extend from the watercraft bow symmetrically around said centerline to a point of maximum width; an aft portion having a width one-fifth to four-fifths the width of the point of maximum width of the fore portion; and a transition section between said fore and aft portions.
37. A watercraft as in claim 36 wherein the width
of the aft portion is approximately one-half the width of the
maximum width of the fore portion.
38. A watercraft as in claim 37 further comprising a lower hull formed continuously through the fore and aft portions configured in a V-shape and a T-shaped planing surface formed of the lower hull portion of the aft portion and the lower hull portion at the point of maximum width of the fore portion.
39. A watercraft as in claim 38 further comprising a cockpit in the fore portion and propulsion means in the aft portion.
40. A planing hull according to claim 1 wherein said hull is formed of a material selected from the group consisting of plastic, fiberglass, reinforced fiberglass, epoxy resin, and polycarbonate.
41. A planing hull according to claim 1 wherein said hull is monocoque.
42. A planing hull according to claim 41 wherein said hull is formed of polyethylene by rotomolding.
43. A planing hull according to claim 14 wherein said jet propulsion unit further comprises an axial flow pump comprising a plurality of rotor vanes, at least one stator vane and at least one rotor having a diameter of between about 3 inches and about 5 inches and a jet diameter of between about 1.5 inches and about 3.5 inches.
44. A planing hull according to claim 43 wherein said rotor has a diameter of about 3.91 inches and said pump jet has a diameter of approximately 2.43 inches.
45. A planing hull according to claim 20 wherein said jet propulsion unit further comprises an axial flow pump comprising a plurality of rotor vanes, at least one stator vane and at least one rotor having a diameter of between about 3 inches and about 5 inches and a jet diameter of between about 1.5 inches and about 3.5 inches.
46. A planing hull according to claim 45 wherein
said rotor has a diameter of about 3.91 inches and said pump
jet has a diameter of approximately 2.43 inches.
47. A planing hull according to claim 35 wherein said jet propulsion unit further comprises an axial flow pump comprising a plurality of rotor vanes, at least one stator vane and at least one rotor having a diameter of between about 3 inches and about 5 inches and a jet diameter of between about 1.5 inches and about 3.5 inches.
48. A planing hull according to claim 47 wherein said rotor has a diameter of about 3.91 inches and said pump jet has a diameter of approximately 2.43 inches.