. Deep ocean cable burial concept development. Cables, Submarine; Marine engineering; Civil engineering. Appendix D CABLE AND MACHINE DRAG CABLE DRAG The drag on the umbilical cable was determined using the following assumptions. Cable diameter = 3 in. Cable weight = 0.64 lb/ft Water depth = 6,000 ft System velocity = 1.69 ft/sec Current velocity = 3.38 ft/sec at surface = 0 at 300 ft Vehicle weight = 20,000 lb It was also assumed that the support ship is located directly above the cable burial machine. The configuration and current profile are shown in Figure D-1.. Figure D-1. Current profile
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