Abstract: Cables for propulsion and/or guidance of cable ferries are disclosed which permit their use on longer ferry routes. One embodiment provides the use of cables for propulsion and/or guidance of cable ferries where the unit weight, density, specific gravity and/or diameter of the cable is variable over the length of the cable. According to one embodiment, heavier or denser cable is used adjacent to the terminals, while lighter or less dense cable is used for a middle section. Where sections have positive buoyancy, the cable may be tethered to one or more anchors. Where sections have negative buoyancy, the cable may be tethered to one or more floats.

Abstract: The invention provides a flywheel-based propulsion system for cable ferries and method of operating such a propulsion system. A flywheel is energized from an on-shore source of electrical power during unloading and loading of the ferry and the flywheel is then used to generate electrical power for an electrical motor to power the ferry during the crossings.