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A flume ride is provided having a funnel-shaped slide feature having a relatively larger entry end and a relatively smaller exit end, the funnel-shaped slide feature being configured and arranged such that a rider enters at the wider end with a predetermined expected velocity and swings back and for

A flume ride is provided having a funnel-shaped slide feature having a relatively larger entry end and a relatively smaller exit end, the funnel-shaped slide feature being configured and arranged such that a rider enters at the wider end with a predetermined expected velocity and swings back and forth and/or spins around the inner surface of the funnel before safely draining through the smaller end.

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1. In a flume ride comprising a generally downwardly-inclined main slide path sized and adapted to carry one or more riders and/or ride vehicles sliding thereon, a generally funnel-shaped slide feature having a substantially enclosed conical sliding surface having an entry end sized and adapted for

1. In a flume ride comprising a generally downwardly-inclined main slide path sized and adapted to carry one or more riders and/or ride vehicles sliding thereon, a generally funnel-shaped slide feature having a substantially enclosed conical sliding surface having an entry end sized and adapted for receiving riders/vehicles from said main slide path and an exit end, said conical sliding surface being formed substantially symmetrically about a central axis, the entire conical sliding surface structure being tilted on its side such that a lower-most surface thereof is at least parallel to or slightly inclined from horizontal descending from said entry end to said exit end and wherein said entry end is substantially larger in diameter than said exit end.2. The slide feature of claim 1 wherein said entry end of said sliding surface further comprises a transition entry slide portion for receiving riders/vehicles from said main slide path and directing said riders/vehicles onto said sliding surface with predetermined expected tangential and axial velocity components.3. The slide feature of claim 1 wherein said entry end of said sliding surface further comprises a safety wall for retaining riders/vehicles on said sliding surface.4. The slide feature of claim 1 wherein said entry end is substantially round, having a diameter of between about 20 and 100 feet.5. The slide feature of claim 1 wherein said entry end is substantially round, having a diameter of between about 40 and 80 feet.6. The slide feature of claim 1 wherein said exit end is substantially round, having a diameter of between about 4 and 20 feet.7. The slide feature of claim 1 wherein said exit end is substantially round, having a diameter of about 12 feet.8. The slide feature of claim 1 wherein the ratio of the diameters of said entry end and said exit end is between about 8:1 and 3:1.9. The slide feature of claim 1 wherein the ratio of the diameters of said entry end and said exit end is between about 6:1 and 4:1.10. The slide feature of claim 1 wherein the ratio of the diameter of said entry end and said entry end is about 5:1.11. The slide feature of claim 1 further comprising one or more water spigots sized and arranged at or near said exit end to provide a flow of water for slowing down riders/vehicles.12. The slide feature of claim 1 further comprising a water sprinkler system for maintaining a lubricating film of water on said sliding surface.13. The slide feature of claim 1 wherein said conical sliding surface is tilted on its side such that the lower-most surface thereof is inclined at an angle of between about 0 and 30 degrees from horizontal.14. The slide feature of claim 1 wherein said conical sliding surface is tilted on its side such that the lower-most surface thereof is inclined at an angle of about 5 degrees from horizontal.15. A slide feature comprising a substantially enclosed, reducing-radius sliding surface having an entry end and an exit end, said entry end being substantially round, oval or oblong in shape and having an entry slide portion for safely admitting riders and/or ride vehicles with a predetermined expected velocity, said sliding surface substantially smoothly tapering in radius or diameter from said entry end to a substantially smaller exit end, and said sliding surface being placed on its side and tilted such that a rider/vehicle entering said sliding surface at said entry end is caused to swing back and forth and optionally spin partially or completely around the sliding surface as he or she advances through the reducing radius sliding surface toward said exit end.16. The slide feature of claim 15 wherein said entry slide portion is sized and adapted to receive riders/vehicles from said main slide path and directing said riders/vehicles onto said sliding surface with predetermined expected tangential and axial velocity components.17. The slide feature of claim 15 wherein said entry end of said sliding surface further comprises a safety wall for retaining riders/vehicles on said sliding surface.18. The slide feature of claim 15 wherein said entry end is substantially round, having a diameter of between about 20 and 100 feet.19. The slide feature of claim 15 wherein said entry end is substantially round, having a diameter of between about 40 and 80 feet.20. The slide feature of claim 15 wherein said exit end is substantially round, having a diameter of between about 4 and 20 feet.21. The slide feature of claim 15 wherein said exit end is substantially round, having a diameter of about 12 feet.22. The slide feature of claim 15 wherein said sliding surface substantially smoothly tapers from said entry end to said exit end with a substantially constant taper rate.23. The slide feature of claim 22 wherein said taper rate is about 1:1.24. The slide feature of claim 15 wherein said sliding surface substantially smoothly tapers from said entry end to said exit end in accordance with a predetermined taper function, including at least a portion thereof with an accelerating taper.25. The slide feature of claim 15 wherein said sliding surface substantially smoothly tapers from said entry end to said exit end in accordance with a predetermined taper function, including at least a portion thereof with a decelerating taper.26. The slide feature of claim 15 wherein the ratio of the diameters of said entry end and said exit end is between about 8:1 and 3:1.27. The slide feature of claim 15 wherein the ratio of the diameters of said entry end and said exit end is between about 6:1 and 4:1.28. The slide feature of claim 15 wherein the ratio of the diameter of said entry end and said entry end is about 5:1.29. The slide feature of claim 15 further comprising one or more water spigots sized and at or near said exit end to provide a flow of water for slowing down riders/vehicles.30. The slide feature of claim 15 further comprising a water sprinkler system for maintaining a lubricating film of water on said sliding surface.31. The slide feature of claim 15 wherein said conical sliding surface is tilted on its side such that the lower-most surface thereof is inclined at an angle of between about 0 and 30 degrees from horizontal.32. The slide feature of claim 15 wherein said conical sliding surface is tilted on its side such that the lower-most surface thereof is inclined at an angle of about 5 degrees from horizontal.33. In a flume ride comprising a generally downwardly-inclined main slide path sized and adapted to carry one or more riders and/or ride vehicles sliding thereon, a generally funnel-shaped slide feature having a substantially enclosed conical sliding surface having an entry end sized and adapted for receiving riders/vehicles from said main slide path and an exit end, said conical sliding surface being rotatably mounted such that it may be rotated about its axis and tilted on its side such that a lower-most surface thereof is at least parallel to or slightly inclined from horizontal descending from said entry end to said exit end and wherein said entry end is substantially larger in diameter than said exit end.34. The slide feature of claim 33 wherein the ratio of the diameters of said entry end and said exit end is between about 8:1 and 3:1.35. The slide feature of claim 33 wherein the ratio of the diameters of said entry end and said exit end is between about 6:1 and 4:1.36. The slide feature of claim 33 wherein the ratio of the diameter of said entry end and said entry end is about 5:1.37. The slide feature of claim 33 further comprising one or more water spigots sized and arranged to provide a flow of water at or near said exit end for slowing down riders/vehicles.38. The slide feature of claim 33 further comprising a water sprinkler system for maintaining a lubricating film of water on said sliding surface.39. The slide feature of claim 33 wherein said conical sliding surface is tilted on its side such that the lower-most surface thereof is inclined at an angle of between about 0 and 30 degrees from horizontal.40. The slide feature of claim 33 wherein said conical sliding surface is tilted on its side such that the lower-most surface thereof is inclined at an angle of about 5 degrees from horizontal.