Polar King, constructed in Vigo on Spain’s Atlantic coast by century-old shipyard Constr. Nav. Paulino Freire S.A. recently entered service for Norwegian owners GC Rieber Shipping of Bergen. This week this hi-tech ship was already setting about the work she was built for; offshore rig and multi-purpose platform support services, as well as research (with ROV operating capability) in the North Sea hydrocarbon fields. PropulsionThe DP equipped Polar King is fitted with a diesel-electric propulsion system powered by 6 x MAN 9L21/331 main generator diesel engines that each produce 1,980 kW at 900 rpm, while for manoeuvring purposes there are a pair of TT 2400 DP CP tunnel thrusters by  Rolls-Royce Marine AS – Propulsion Ulsteinvik. Engine Room Polar King: Photo courtesy of MAN Diesel & Turbo DNV ‘Clean Design’ Classed by DNV with the notation ‘Clean Design’ the Polar King features measures that not only limit harmful air emissions and sea ... [More]