The largest U.S.-flagged, self propelled trailing suction hopper dredger (THSD) Frederick Paup will be propelled by three SCHOTTEL RudderPropellers manufactured at the German Wismar production site. A look inside the assembly shop gives an idea of the special dimensions of these thrusters.
A look inside the assembly shop at SCHOTTEL's production site in Wismar, Germany, shows the particularly long propeller arm length of the rudder propellers for the Frederick Paup.
Particularly long propeller arm length
The three SCHOTTEL RudderPropellers type 510 L FP are powered by diesel-electric drives and feature propeller diameters of 2.8 m and a power intake of 2,240 kW each. A particularly long propeller arm length allows for an arrangement at the stern in portside, centre and starboard position with convenient access for future maintenance.
The 360-degree-steerable SRPs will enable the Frederick Paup to always benefit from maximum manoeuvrability, outstanding course stability during free sailing, and powerful thrust in the chosen direction.
Besides the nozzles featuring enhanced corrosion protection with ProAnode, the RudderPropellers will be equipped with the DNV-GL type-approved SCHOTTEL LeaCon sealing system. Considered a non-oil-to-water interface, the system complies with the VGP regulations of the US Environmental Protection Agency (EPA).
The dredger will be owned and operated by Manson Construction Co., and is currently under construction at the Keppel AmFELS Shipyard in Brownsville, Texas. It will be 128 m in length, have a 25 m breadth and about 9 m draught and will have a hopper volume of 11,500 m3. The vessel will represent Manson’s single biggest investment in its 117-year history.
The vessel is scheduled to enter operation in 2023 and will support the U.S. Army Corps of Engineers in maintaining marine transportation highways primarily along the Gulf Coast and Atlantic Coast, as well as throughout the country.
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