New Helicopter-Competitive Offshore Crew Boat

By George Backwell at November 09, 2013 05:00
Filed Under: Offshore, Propulsion systems
A hi-speed offshore crew transfer catamaran is under construction in the Incat Tasmania shipyard whose speed and passenger comfort, designers Incat Crowther say, will make it more cost-effective for transfers of crew and cargo supply operations to offshore platforms than a helicopter. A bold claim and worth looking at. Helicopter replacement Hi-speed crew transfer cat: Image courtesy Incat Crowther The new 70-m (230-ft) vessel due for launch in 2014 will be capable of carrying 150 passengers and 14 crew, along with 200 metric tons of deck cargo, and is the largest so far to be fitted with HamiltonJet propulsion. Power comes from four 2880 kW MTU 16V 4000 series M73L engines rated at 2050 rpm, driving two 900mm diameter waterjet pumps to give an expected top speed of 36 knots with an efficient service speed of 30 knots at full load and 90% MCR.  In conjunction with the propulsion water jets, four azimuthing drop-down thrusters forward will help take care of the maneuvering demands ... [More]

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