Waterjets News

Castoldi launched the latest in a new range of hydrodynamically optimized waterjets; the Turbodrive 400 HCT.With a 400 mm jet housing, hydraulic gearbox/clutch and high thrust efficiency, the Turbodrive 400 HCT was designed using  Computational Fluid Dynamics (CFD) software.The development of the new family of Castoldi HCT waterjets started 12 years ago and according to Giacomo Castoldi, owner at Castoldi S.r.l. “Thanks to the very latest developments in fluid dynamics, the new Turbodrive 400 HCT is around 12% more efficient than the outgoing model and is perfectly interchangeable with it.

Derecktor Shipyards New York is building a pair of hybrid ferries for Savannah, Ga. based Chatham Area Transit (CAT). Delivery is expected in 2024.The two 65-foot-long, 50-passenger ferries will be equipped with an electric propulsion package from BAE Systems, including permanent magnet traction motors and HybriGen Power system. Each vessel will feature a 308 kWh energy storage system (ESS) from Xalt Energy and a pair of Marine Jet Power (MJP) Ultrajet 305 waterjets.The ferries are being built to operate on short…

Marine Jet Power (MJP) announced it has been selected to supply its 850 DRB waterjets for a new fireboat being built for South Korea's Incheon Metropolitan City.The 36.2-meter fireboat, set to become the flagship vessel at the littoral of Incheon, will be built at Asian Shipbuilding in Korea for scheduled delivery in January 2025.It will be equipped with dual MJP 850 DRB waterjets. MJP will also provide a dynamic positioning system to enhance station-keeping capabilities during firefighting operations.MJP’s JetMaster 3 control system will govern the helm…

New Zealand-based HamiltonJet has launched its HJ215 waterjet, an ideal propulsion solution for a wide range of boats, says the company.It is compact and lightweight and it is built for greater efficiency at high speeds, making it an excellent waterjet for thrill-seeking tourist crafts, search and rescue vessels and other marine sectors.The new factory-made TURBO II impeller option offers superior performance where acceleration and high thrust in aerated water are important. The…

MAN Energy Solutions and Doen WaterJets (DOEN) have agreed to join forces to offer a fully integrated propulsion system solution to the Australian Army’s LAND 8710 Littoral Manoeuvre Vessel Phase 1A (LMV-M) program.The program aims to acquire a medium landing craft suitable for a range of missions in Australia’s northern waters and beyond.The cooperation spans the full product lifecycle including propulsion system design, integrated logistics support and commissioning, through…

Australian shipbuilder Incat Tasmania is setting a record for the largest, lightweight battery electric ship in the world with a new 130-meter (427-foot) ro-pax ferry under construction for South American customer, Buquebús.The aluminum ferry will be the first fully electric vessel in South America when delivered in 2025, operating between Argentina and Uruguay. It will have a capacity for 2,100 passengers and crew and 225 cars and will feature a duty free shop of over 2,000 square meters (21…

Waterjet propulsion systems manufacturer Marine Jet Power (MJP), along with its authorized representative in Taiwan UDC Marine, announced the continuation of a partnership with Lungteh Shipyard to produce more Tuo Chiang-class Corvette for Coastal Defense.The Tuo Chiang-class corvettes have a length of 60.4 meters, displacement of 685 tons, a range of 1,800 nautical miles, and a maximum speed of 43 knots. To date, four ships have been completed and the additional orders will begin production this fall.Featuring quad MJP 850 CSU waterjets…

Kongsberg Maritime announced it has established a dedicated manufacturing facility and service team to provide in-country support for its waterjet customers in the United States.Kongsberg Maritime has been manufacturing Kamewa waterjets for over 40 years, delivering more than 10,000 units globally. The company will now offer a step-change in support for its North American customers, including local manufacturing of waterjets, local service support and spare parts, from its facility in New Orleans.John Huschilt…

HamiltonJet has unveiled a new range of high-efficiency waterjets, starting with the LTX36 model. Optimized for medium- and low-speed operation, New Zealand-based manufacturer said it has produced the first waterjet to rival the energy efficiency and bollard pull of the best propeller-based systems between zero and 30 knots.Waterjets are among the most efficient propulsion options for going fast due to the absence of hull-appendages and their highly optimized pump geometry, but HamiltonJet CEO Ben Reed noted not everyone wants to go fast.“Our customers’ needs are changing…

HamiltonJet said its new HTX47 waterjet has improved upon its previous jet model to offer a more seamless installation experience. Its new compact inboard footprint design and fully integrated hydraulics system ensures faster installation in the vessel.HTX47 new hydrodynamic design delivers 4% more high-speed efficiency, a 16% increase in peak bollard pull, and offers better operation at minimum speed, according to the manufacturer. It also features enhanced corrosion protection for more durability and expanded impeller rating range for greater compatibility for a wider range of engines.

An upgrade by Kongsberg Maritime of the waterjets on a catamaran ferry operated by the family-run firm of AG EMS brings a new level of efficiency and environmental consideration to a route traversed by the company for 143 years.Claus Hirsch, the fleet manager with AG EMS, is a likable and personable individual. His easy demeanor suggests that he is contented with his lot in life, and no one would blame him for that. The company he works for is a family-run concern with a benevolent…

With more wind farms sprouting up in Europe, Asia and now here in the United States, a steady stream of crew transfer vessels (CTV) will be needed to support their construction, maintenance and operation. Typically aluminum catamarans, these vessels are deployed to ferry personnel and light equipment to and from offshore wind farms on a daily basis.While a solid portion of CTVs in the established European offshore wind market are propelled by waterjets, Adam Mills, sales director at Marine Jet Power…

A 12m workboat built by Strategic Marine has completed sea trials and was delivered to Tullow Ghana Limited.The vessel will be deployed to offshore deepwater projects in the Gulf of Guinea.To this end the vessel has been fitted with an advanced marine propulsion system, with waterjets designed to provide superior manoeuvrability.The workboat is designed to be launched and retrieved from a larger mothership with a single point lifting hook and will primarily perform line handling and crew transfer duties.

Launched in 2018 to cater to the propulsion demands of high-speed vessel applications, Marine Jet Power’s (MJP) X-Series waterjets are engineered to deliver more power in a lighter unit that burns less fuel and extends range.“With the X Series we have taken our proven highly efficient mixed flow pump technology from our DRB and CSU Series, and adopted it into a fully integrated, quick to install waterjet which is mostly constructed from duplex stainless steel,” said Jonas Tegström, CEO of Sweden-based MJP.

Ben Reed is a mechanical engineer from the U.K. now leading New Zealand-based waterjet manufacturer HamiltonJet as managing director.Raised in Shropshire, Reed graduated from Loughborough University of Technology in 1995 and later became a Chartered Engineer and Fellow of the Institute of Mechanical Engineering. He’s worked for a U.K. gas utility company developing natural-gas-powered engines; Ford Motor Company as a Systems Analyst, and 17 years for Caterpillar UK in diesel engine and transmission development for off-highway machinery and military products…

Marine Jet Power (MJP) revealed three new sizes in its X-Series range of waterjets. Expanding upon the proven 280, 310 and 350 X sizes, the new 400, 450 and 500 X feature MJP’s duplex stainless-steel, mixed-flow pump design and welded aluminum intake.The new additions to the range will service vessels ranging in size from 26m – 40m / 85-ft – 131-ft and up to 2070 kW / 2775 bhp. Well suited for high-speed applications the X-Series is built for fast patrol craft, military applications…

Kongsberg Maritime launched a pair of waterjet control systems based on its new JCS (Jet Control System) common technology platform: JCS Compact and JCS Extended. JCS Compact is a tailored, closed-loop control system solution designed to manage the steering, reversing bucket and optional interceptor functions on small- to medium-sized waterjets. It can be used with either one or two control stations and a single waterjet propulsion unit or, for full redundancy and operational safety in the event of unforeseen issues…

Waterjet propulsion specialist HamiltonJet said its new Electro-Hybrid Drive (EHX) demonstrator boat is now in operation, having successfully passed its Maritime New Zealand Certificate of Survey.ARIA, a 15-meter aluminum hydrofoil-assisted catamaran, is fitted with HamiltonJet’s new Electro-Hybrid Drive (EHX) system unveiled last year. According to the manufacturer, the system offers all the advantages of electric drive with the full capabilities of diesel, namely lower CO2 emissions combined with the speed…

Waterjet propulsion manufacturer HamiltonJet said it has once again partnered with Whale Watch Kaikōura on its newest vessel – Te Ao Marama.Te Ao Marama is a 24-meter catamaran designed by Teknicraft and built by Q-West in Whanganui. The bespoke Whale Watch vessel is powered by four HamiltonJet HJ364 waterjets and is equipped with intuitive, next generation AVX controls, which makes it exceptionally maneuverable and safe to operate around marine animals.Te Ao Marama is the ninth Whale Watch Kaikōura vessel to utilize HamiltonJet waterjets.Kauahi Ngapora…

ARES Shipyard in Antalya, Turkey has been awarded a contract to build 122 patrol boats for the Turkish Coastguard.“The project represents the largest volume serial production in Turkey’s shipbuilding history, and it will certainly put a significant record in the world’s shipbuilding archives as well,” said Utku Alanc, CEO of ARES Shipyard.“The project is planned to last five years and will involve construction and delivery of 122-ARES 35 FPB boats to meet the needs of the Turkish Coastguard.

Merseyside, U.K.-based boatbuilder Marine Specialised Technology (MST) has been awarded a £9.9-million ($12.9 million) contract to supply two new boats to replace the U.K. Royal Navy's Gibraltar Squadron fast patrol craft used to patrol HMNB Gibraltar and British Gibraltar territorial waters. Construction began in July, and the first vessel is due to be delivered in the third quarter of 2021 followed by the second in the first quarter of 2022. MST will provide four years of local…

New Zealand companies HamiltonJet and EV Maritime have signed a Memorandum of Understanding to build advanced composite, battery-powered commuter ferries.Their cooperation was formalized at HamiltonJet’s Christchurch headquarters in May, in the presence of Hon Dr Megan Woods, New Zealand’s Minister of Energy & Resources and Minister of Research Science & Innovation.With the aim of decarbonizing the harbor cities of the world, the firms are seeking to develop one of the world’s first truly high-speed…

HamiltonJet will collaborate with rigid inflatable boat manufacturer RIBCRAFT to supply 48 Rigid Inflatable Boats (RIBs) to the U.S. Navy.RIBCRAFT USA was recently awarded a five-year contract to deliver the RIBs custom-fitted for use in explosive ordinance disposal (EOD). The 11-meter vessels will be equipped with twin HJ292 waterjets, blue Arrow control systems and JETanchor technology from HamiltonJet. The contract also requires extensive spare parts and training to be delivered by HamiltonJet.A critical component of the Expeditionary Mine Countermeasures Company…