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The two main port and starboard cranes were installed by August 2018. [26] The vessel was christened SSCV Sleipnir by Mrs. Maha Hatfield on May 24, 2019, and embarked on sea trials and crane load tests afterwards. [27] Sea trials were completed in late June 2019. [11]
After straddling the payload, Pioneering Spirit takes on ballast to lower, and two sets of eight (one set per bow) retractable motion-compensated horizontal lifting beams are extended under the payload. Once the load is secure, the vessel offloads the ballast, rising in the water and partially transferring the load to the beams.
Primary, North American cranes (3) on starboard quarter, main deck and on port side, 02 level. Morgan Marine cranes (2), normally on foredeck and at other locations to suit mission. Fritz-Culver A-frame at stern, retractable hydroboom on starboard side by staging bay door. Blue Extension crane on starboard 01 aft of rescue boat davit.
Between 1986 and 1988, 12 unidentified wagons were leased from V/Line to Australian National and were renumbered AQDW 17–28; within a year they had been modified by AN to feature fixed shunters steps in lieu of the retractable design that V/Line had been using. [113] The wagons were restored to their VQDW code and number on return to V/Line.
The 2nd Auxiliary hook can be deployed to a water depth of 450 m. The two cranes are capable of a tandem lift of 14,000 tonnes. Each crane was fitted with 15,600 hp (11,630 kW) engines to power the boom and load hoists, 9 tugger lines and the crane slewing system. The cranes use 48 miles (77 km) of wire rope of various diameters.
A break-action crane (with a capacity of 3 tons) is installed at the front end of the observation deck, and a retractable gallows is installed in front of the starboard side and at the stern. At the rear, there is an electromagnetic ocean current meter, a magnetometer , a hoisting machine such as a water temperature recorder, and a water ...
A level-luffing crane is a crane mechanism where the hook remains at the same level while luffing: moving the jib up and down, so as to move the hook inwards and outwards relative to the base. [ 1 ] Usually the description is only applied to those with a luffing jib that have some additional mechanism applied to keep the hook level when luffing.
The sidelifter loads and unloads containers via a pair of hydraulic powered cranes mounted at each end of the vehicle chassis. The cranes are designed to lift containers from the ground, from other vehicles including rolling stock, from railway wagons and directly from stacks on docks or aboard container ships. A standard sidelifter is also ...