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Suction Pump Dredger Launching by Wire Loosing and Winding Method
Journal of the Society of Naval Architects of Japan
The three suction pump dredgers built at Hitachi Sakurajima Shipyard last year have adopted the new launching method called "Wire loosing and winding method", by launching her slowly with wires which is rather different from the common sliding method. The new method was adopted because : (1) The ship type is an Ark. (2) All the outfittings were installed on the building way and her launching weight will be about 1, 000 ton. (3) Having special apparatus as the suction ladder and spuds on herdoi:10.2534/jjasnaoe1952.1960.107_303 fatcat:gxmhny7ph5ap3pi2nb3fnuskma