Abstract: A turbine blade having a resilient structure including a circumferentially extended blade mounted at a leading edge to a periphery of a cylindrical turbine, and defining a neutral blade position; wherein the resilient structure is configured to permit generally radial deflection of the blade in reaction to impinging fluid flow, and to oppose the deflection with a spring force biased to the neutral blade position. A resilient blade that produces torque in a consistent rotational direction regardless of deflection from its neutral concentric position. A resilient blade that is cantilevered from a fixed point on a turbine periphery that is shaped with curvature concentric with the supporting turbine center.

Abstract: Embodiments provide for planetary gearing systems with sun, planetary and ring gears, wherein the ring gears have generally cylindrical or elliptical tooth forms with a common shape and geometric parameters. The ring gear and a sun gear each engage one or more of planetary gears in respective mesh engagements, wherein the gear forms on each may be independently formed as a function of their respective geometries (sun or ring gear pitches, and sun or ring radii from a common central axis of the planetary gearing system), and as a function of the planetary gear tooth form shape and geometric parameters, planetary gear radius from the common central axis, and the planetary gear tooth pitch.

Abstract: Embodiments provide for planetary gearing systems with ring gears comprising cylindrical tooth forms arrayed from a central axis and encompassing at least one planetary sprocket and a sun gear. The sun and ring gears have cylindrical tooth forms. The planetary sprocket teeth are aligned for engagement with at least one of the sun gear and ring gear cylindrical tooth forms at a contact radius from the central axis selected as a function of the sprocket tooth common involute gear shape, the sprocket radius, the sprocket tooth pitch, and of the pitch, gear radius and cylindrical form diameter of the selected at least one gear cylindrical tooth forms.

Abstract: Embodiments provide for planetary gearing systems with sun, planetary and ring gears, wherein the ring gears have generally cylindrical or elliptical tooth forms with a common shape and geometric parameters. The ring gear and a sun gear each engage one or more of planetary gears in respective mesh engagements, wherein the gear forms on each may be independently formed as a function of their respective geometries (sun or ring gear pitches, and sun or ring radii from a common central axis of the planetary gearing system), and as a function of the planetary gear tooth form shape and geometric parameters, planetary gear radius from the common central axis, and the planetary gear tooth pitch.

Abstract: A wind turbine apparatus includes a unit structure that is coupled to a central hub by way of an in-tension cable. The unit structure includes a first set of struts, wherein each strut in the first set of struts includes first and second ends, the first ends of the first set of struts are coupled to a first node and the first set of struts extend from the first node towards the central hub. The unit structure also includes a second set of struts, wherein each strut in the second set of struts includes first and second ends, the first ends of the second set of struts are coupled to the first node and the second set of struts extend from the first node away from the central hub.

Abstract: Embodiments provide for planetary gearing systems with ring gears comprising cylindrical tooth forms arrayed from a central axis and encompassing at least one planetary sprocket and a sun gear. The sun and ring gears have cylindrical tooth forms. The planetary sprocket teeth are aligned for engagement with at least one of the sun gear and ring gear cylindrical tooth forms at a contact radius from the central axis selected as a function of the sprocket tooth common involute gear shape, the sprocket radius, the sprocket tooth pitch, and of the pitch, gear radius and cylindrical form diameter of the selected at least one gear cylindrical tooth forms.

Abstract: A wind turbine apparatus includes a unit structure that is coupled to a central hub by way of an in-tension cable. The unit structure includes a first set of struts, wherein each strut in the first set of struts includes first and second ends, the first ends of the first set of struts are coupled to a first node and the first set of struts extend from the first node towards the central hub. The unit structure also includes a second set of struts, wherein each strut in the second set of struts includes first and second ends, the first ends of the second set of struts are coupled to the first node and the second set of struts extend from the first node away from the central hub.

Abstract: A compound gear system and method comprising a flexible gear defining an array of gear elements in an articulating relationship, a rigid structure defining first and second spaced parallel pluralities of articulating gear support structures arrayed in a ring, the articulating gear reeved tightly about and engaging the support structures, thereby restraining the flexible articulating gear from moving inwardly or rotationally relative to the rigid structure while enabling the flexible gear to expand outward, and at least one sprocket gear having a plurality of sprocket teeth aligned to engage flexible gear element middle areas. The support structures transmit torque between the flexible gear elements and the rigid structure responsive to interaction of the flexible gear element middle areas with the sprocket gear teeth.

Abstract: A compound gear system and method comprising a flexible gear defining an array of gear elements in an articulating relationship, a rigid structure defining first and second spaced parallel pluralities of articulating gear support structures arrayed in a ring, the articulating gear reeved tightly about and engaging the support structures, thereby restraining the flexible articulating gear from moving inwardly or rotationally relative to the rigid structure while enabling the flexible gear to expand outward, and at least one sprocket gear having a plurality of sprocket teeth aligned to engage flexible gear element middle areas. The support structures transmit torque between the flexible gear elements and the rigid structure responsive to interaction of the flexible gear element middle areas with the sprocket gear teeth.

Abstract: A ski rack which can also be used as a vise includes a base member and a perpendicular leg at either end, one leg fixed and the other hinged to move into and out of the perpendicular position. A suction cup is located along the underside of the base member. To secure the rack to a smooth surface, the fixed leg of the rack is placed thereon, the rack is forced downward until the suction cup contacts the surface and the air is expelled from it, and the hinged leg is swung down into the perpendicular position, against the smooth surface, forcing the base member upwards to increase the suction in the suction cup. For use as a vise, the rack has a pair of jaws, one movable, along the base member to grip lateral edges of a ski. A spaced apart pair of vises provides increased support. For use as a rack to hold skis along an automobile side window, a pair of racks are mounted along the window, one in front of the other, each in a vertical orientation.