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Types of Tugs and Towboats
Tug and Towboat Construction and Design
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aboard anchor chain angle approximately ballast barge bitts brake horsepower bridle legs capstan car floats cargo casualty catenary chafing gear chain bridle coastal tow Dacron damage deck diameter diesel docking tug eye splice fairlead fender fiber rope fishplate fitted forward gob rope gunwale harbor tug heaving heavy weather horsepower hydroconic hull illustrated in Fig installed intermediate spring Kort nozzle length link chain load main tow hawser maneuverability maneuvering Manila Marine Engineers Marine Salvage Moran nylon ocean towing ocean tug operation padeye plate port practice prevent propeller propulsion result river towboat rudder salvage secured shackle ship shown in Fig speed static bollard pull steel steering stern stopper strands strap strength thimble tons tow hook tow hook-up tow wire towboat towing connection towing engine towline tug and tow Tug Design U.S. Navy usually vessel Voith-Schneider weight wind wire rope