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Wärtsilä Propulsion for New Zealand Navy

Posted on September 13, 2005

Wärtsilä recently annoucned contracts that it won earlier this year to supply propulsion systems for the Project Protector vessels of the Royal New Zealand Navy. The main contractor for the project is the Australian defence supplier Tenix Defence Pty Ltd, on behalf of the New Zealand Ministry of Defence. The project is for the supply of seven vessels: a 131 m multi-role vessel (MRV), two 85 m offshore patrol vessels (OPV) and four 55 m inshore patrol vessels (IPV). They will be delivered beginning in December 2006.

The MRV is being supplied to Tenix by the Merwede Shipyard in the Netherlands. It will be powered by two nine-cylinder in-line Wärtsilä 32 engines with a combined power output of 9000 kW. Wärtsilä is also supplying twin Lips 4D1000 controllable-pitch propellers, two Lips CT175H transverse thrusters, one forward and one aft, and Deep Sea Seals sterntube bearings and seals.

The OPVs and IPVs will be constructed at Tenix shipyards in Australia and New Zealand. To these ships Wärtsilä will supply Lips controllable-pitch propellers, shaftlines and Deep Sea Seals sterntube and bulkhead seals. The OPVs will each have two Lips 5C09 propellers and a Lips CT150H bow thruster, along with Deep Sea Seals sterntube seals and bulkhead seals. The 55 IPVs will each have two Lips 4D550 propellers and Deep Sea Seals sterntube seals.

The vessels are designed for military and civilian roles in New Zealand's Exclusive Economic Zone (EEZ), in the South Pacific and the Southern Ocean. As well as serving their military roles, they will conduct tasks for and with NZ Customs, Department of Conservation, Ministry of Agriculture and Forestry, Ministry of Foreign Affairs and Trade, Ministry of Fisheries, NZ Maritime Safety Authority and the NZ Police. The vessels will be used for sea-lifting personnel and cargo, emergency response, and fisheries and customs patrols. Both the MRV and OPVs will be strengthened to ice class 1C for service in the Ross Sea off Antarctica, and will also carry helicopters. The MRV will have a Ro-Ro capability with both stern ramp and side door for light armoured vehicles and other equipment, and will be equipped with two landing crafts.

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