Twin screw diesel electric grab hopper dredger was built for Mersey Docks and Harbour Board by Ferguson Bros (Port Glasgow) Ltd; length bp 260 ft 9 in., breadth molded 46 ft 6 in., depth molded 19 ft, hopper capacity 2200 tons, gross 2083 tons; diesel electric machinery provides flexible propulsion scheme in which from one to 3 generators and either or both motors may be used for propulsion, main engines also supplying auxiliary electrical power for 4 grab cranes.
Grab hopper dredger "Mersey compass"
Engineer
Engineer ; 213 , n 5531
1962
2 pages
Article (Journal)
English
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