Submarine Cable Control by Use of Variable Specific Gravity and Diameter Cables and/or External Forces for Cables Used with Cable-Propelled Marine Vessels
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Dec 24, 2020
app pub date -
Feb 7, 2019
filing date -
Feb 21, 2018
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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.
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