The Finnish boat builder Marine Alutech has developed the Kamewa water jets from Kongsberg Maritime for the 17 new landing craft that Marine Alutech for the Finnish Navy is building.
Marine Alutech, a company specializing in the construction of aluminium vessels, developed the first Watercat M12 Jurmo class landing craft in the 1990s. The fast and maneuverable 14-meter-long boats, which reach speeds of more than 35 knots, are equipped with two Kongsberg Kamewa FF375 aluminum waterjets and a compact, electronic jet control system. The old Jurmo vessels still use a mechanical-hydraulic system. The FF375 waterjets for this project will be fitted with a customized inlet channel to enable the new vessel to match the performance characteristics of the original Jurmo class, which was introduced to the Finnish Navy more than 20 years ago.
Niko Haro, CEO of Marine Alutech, said: “Our long-standing cooperation with Kongsberg Kamewa Waterjets has once again demonstrated the importance of a close partnership when selling new vessels. A thorough understanding of customer requirements and technical solutions contributes to performance, life cycle efficiency and sustainability. These are values that Marine Alutech and Kongsberg Maritime Finland have shared in more than 400 deliveries to customers worldwide.” The Jurmo class has a shallow draft and is therefore suitable for amphibious assaults in shallow waters. Thanks to the Kamewa water jet reversing system, it can come to a standstill from its maximum speed in just one ship length. The compact Jet Control System ensures precise and reliable operation of the waterjet hydraulic valves through integrated feedback. Together with the waterjet propellers, the system ensures smooth operation during steering and reversing, with the signals for the engine throttle and clutch being taken from external devices.
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