2001 Maritime

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July 12, 2001

Incat offers 112 m wave-piercer
The latest addition to the Incat Australia line of wave-piercing catamarans is the Evolution One 12. This 112 meter design, says Incat, "incorporates all that is best from the 98 m and 120 m designs, but places the emphasis on high capacity economy, making it well suited to the demands of new and existing operators.

With an operating deadweight of 1000 tonnes, the vessel will operate at speeds of 40 knots, or 45 knots with 500 t deadweight. Alternatively, the craft can operate with an overload deadweight of 1500 tonnes in which state it will operate with cargo at medium speed, around 23 knots.

The vehicle deck provides 589 truck lane meters(TLM) plus 50 cars, or 312 cars in a full tourist mode.

Optional mezzanine decks can be fitted to give further car capacity.

Increased vehicle deck headroom of 6.30 m at the center lanes and 5.95 m outboard, under the raised mezzanine decks, will allow the stowage of double stacked containers or MAFI trailers.

With a beam of 30.20 metres, heavy road vehicles such as B-Double trucks and semi-trailers can easily turn in the bow for quick disembarkation over stern ramps.

The passenger cabin, with panoramic windows,is laid out for up to 1,000 persons. Passenger comfort is enhanced by the wide beam, which reduces transverse accelerations in the main cabin area. Combined with a new wider trim tab configuration, this will minimize the time the active forward T-foil is required, bringing further fuel and maintenance economies.

Vessel propulsion is based on 9,000 kW medium-speed marine
diesel engines such as the new Ruston 20RK280 and the Lips 6-
blade 150E waterjets with Incat’s inboard hydraulics system.

Big order for compact pods
Santa Fe International Corporation has awarded a $42 million contract to ABB in Norway for the supply of electric propulsion systems and power plants for two semi-submersible drilling rigs. In addition, the contract includes an option for a further two rigs. The two new deepwater rigs, of Friede & Goldman ExD design, will be built by PPL Shipyard PTE Ltd. of Singapore with delivery of the first rig scheduled for late 2003.

ABB's delivery to each rig includes a complete package of generators, high and low voltage switchboards, drilling and propulsion drives and eight Compact Azipod podded propulsion units with a total output of 25,6 MW.

The Compact Azipod propulsion system, introduced by ABB last year, is a further development of ABB's podded propulsion range. Available in a power range from 400 kW to 5 MW, it utilizes permanent magnet motor technology with direct cooling to the surrounding seawater. Accurate speed and torque control are provided by a frequency converter and the system allows for full thrust in all directions. The Compact Azipod unit is underwater dismountable for simplified and cost-effective maintenance and operation.