The largest waterjet so far in the Rolls-Royce Kamewa FF series has now been introduced. It extends the power range of these axial flow aluminium waterjets to 1,800 kW. “As a rough guide, a boat with a twin FF600 installation would have an all-up weight including equipment and fuel of about 60 tons for optimum performance,” said Tomas Renlund, director of the aluminium waterjet business. “But since we tailor the impeller to suit the application and can customise this type of jet to a considerable extent, each case should be considered individually.” In common with the other units at the smaller end of the Rolls-Royce waterjet range, the FF600 is constructed in aluminium, with the impeller, its housing, shafts and the operating cylinders for steering and reversing made of stainless steel. The inlet duct is fabricated from aluminium sheet to an optimised hydrodynamic profile and the mounting flanges are supplied in two versions; one for welding direct into an aluminium hull, the other for bolting into hulls made of other materials. Reverse and steering hydraulic cylinders are mounted inboard, and close attention has been paid to reducing risk to the environment.The actuating cylinders are anchored to a flange part way along the inlet duct next to the thrust bearing. This flange is designed so that it can be welded to, allowing the jet unit to be incorporated as part of an aft collision bulkhead structure.
Long discussed as the embodiment of next-generation marine technology, the Japanese "Techno-Superliner" (TSL) is now a reality. The 14,500 grt TSL will be built from aluminum and measure 460 x 98 ft. (140 x 29.8 m). To be built by Mitsui Engineering and Shipbuilding's Tamano works for delivery in 2005, the TSL will be propelled to a service speed of 38 knots via a pair of Rolls-Royce Kamewa VLW J235 waterjets, which will absorb 27 MW of power
Two pairs of Hamilton HM651 jets with 25-in. impellers are being installed on two 170 x 30 ft. (51.8 x 9.1 m) hulls being built for the Candy fleet at Swift Ships Morgan City shipyard. Powered by 12-cylinder Cummins KTA38-M2 engines rated for jet application at 1,350-hp at 1,900-rpm, the jets were introduced at last year's Workboat Show in December. Auxiliary power will be provided by two Cummins 6B5. 9GM-powered 50 Kw gensets. Cargo capacity on the vessel's 105 x 24 ft. (32 x 7
BRP has been awarded a $10m contract from the United States Marine Corps (USMC) for its Evinrude multi-fuel engines (MFE). The Evinrude 55 MFE engines with an impeller equipped jet model pump will repower their fleet of F470 Zodiac boats / Combat Rubber Raiding Craft (CRRC) used during small craft operations. The strict procurement requirements of the USMC to secure non-gasoline burning outboard engines led directly to BRP
Safe guard your cooling system from costly damage with Livorsi’s Raw Water Flow System The Raw Water Flow system is a new patented system that indicates your engine’s water flow volume. This system warns you of a potential problem or danger that would otherwise not be indicated by a water pressure gauge alone, thus preventing cosmetic and structural damage to expensive exhaust headers, intercoolers and cooling systems. What is Water Flow?
Atlas Copco has introduced a new small range of WEDA pumps to provide fast and efficient dewatering. In addition to the original nine pumps, the WEDA04 and WEDA08 provide drainage pumping, with the WEDA08S for sludge pumping and the WEDA04B for low suction pumping. The WEDA04 drainage pump is equipped with a 400-watt electric motor, while the WEDA08 features a 750-watt electric motor. The polyurethane semi-vortex impeller reduces the risk of clogging
The U.S. Coast Guard issued a Safety Alert stating that a chemical tanker recently suffered a tank explosion in the Gulf of Mexico near Galveston. After stripping a tank, the tankerman opened the tank top cover and an explosion ensued, injuring the tankerman and damaging the vessel. While the investigation is ongoing, the cause appears to be that the bearings in the cargo pump failed, allowing the shaft and impeller to shift and spin against the casing
Ultra Dynamics has announced the release a new waterjet model the UltraJet UJ410 -- with a 410 mm diameter impeller – which fits neatly into the middle of its UltraJet range of waterjets, providing more options between the UJ376 and UJ451. All components on the new model are plug-and-play and mounted on jet, including the oil cooler, oil pump, sensors and valves, and hydraulic steering and reverse cylinders, keeping installation for the boat builder to a minimum.
Boatswain’s Locker announced that they are now the Master Plus Distributor for Teleflex Marine/Sierra products. This level of distributorship means that Boatswain's Locker will be able to provide an extensive inventory of products including Teleflex Marine, Sierra, and Shields Hose at extremely competitive prices. Teleflex offers mechanical, hydraulic, and electronic controls as well as instruments. Sierra provides all types of engine related replacement parts such as alternators
The Damen DOP submersible dredge pump range has been enlarged, now running from the smallest DOP150, fitting in any corner of a building pit, to the DOP450L doing some 4,000 m3 of mixture per hour. The DOP submersible dredge pump is designed to be used in many dredging activities. The main part of the DOP is a dredge pump fitted with cast exchangeable parts. A key feature is the large spherical passage preventing blockage
Longtime waterjet propulsion equipment provider NAMJet introduces key advancements for the workboat sector. Back in 2011, when boat builder Birdon went looking for a propulsion system that they could utilize in the bid phases of a multi-boat contract with the U.S
The North Carolina Department of Transportation recently took delivery of a new, fully customized cutter suction dredge, which it christened the Dredge Manteo in a ceremony held April 28, 2016, at the at the NCDOT State Shipyard in Manns Harbor, N.C.
Marcon International, Inc. of Coupeville, Washington started out the New Year right with the sale of the ocean-going, combo deck / tank barge “PCC Provider” on 3rd January to Alaskan buyers. The 5,451 mtdw, 250’ x 74’ x 19’ depth barge was specifically
The world of dredging is defined by the vast diversity of each assignment that contractors perform on any given day. Fortunately, DSC’s standard lineup of dredge equipment can be modified and customized to meet just about any job that needs doing.
Marine waterjet manufacturer NAMJet says it has been contracted to provide propulsion systems for Birdon America's US Army Bridge Erection Boat (BEB) 400-boat replacement platform. At the same time NAMJet announces its manufacturing and operational HQ has moved to Denver, Colorado.
Dometic’s HVAC systems fit right into the dual purpose of providing comfortable workboat environments while also protecting vital equipment. Both tasks go hand in hand and collaboration between parties is the key. An efficient and reliable HVAC (heating
Performance, Speed, Fuel Economy & Environmental compliance all come together to form the ultimate balancing act for engine OEM’s and their customers alike. The ‘need for speed’ has been at the heart of professional fast craft operations since powerboats first overtook
Successful sea trials of Tampa Yacht Manufacturing’s latest 50 Fast Attack Craft won praise for the performance of MJP waterjets. The 50’ Fast Attack Craft is a carbon-fibre reinforced, GRP 16.15M (53’) LOA, patrol vessel with a beam of 4.43M (14’8-1/2”)
4965 Kingston Denver, CO, USA 80239 Telephone: 501 778 4151 E-mail: firstname.lastname@example.org Website: namjet.com General Manager (NAMJet, LLC): Jim Ducker Number of employees: 22 The Company: NAMJet’s advanced marine propulsion systems have set the standard for thrust
A new interactive website has been launched for the DAMEN DOP submersible dredge pump range. The website, www.DOPDredgePumps.com, highlights the versatility of this wear-resistant dredge pump. The DOP pump has been used by the dredging industry around the globe for almost 25 years
BS Camburi, a 36-meter Monohull Crewboat built in Brazil by Arpoador Engenharia to the Petrobras type P2 specification has been launched and delivered. Designed by Incat Crowther, the 118-foot (36-meter) aluminum crewboat is powered by triple CAT C32 ACERT diesel engines coupled to three
Boston Harbor Cruises’ Provincetown Ferry, the Salacia will be drydocked from January thru March 2015 to undergo a $2.6 million dollar engine refit. Boston Harbor Cruises (BHC) has purchased four MTU 12V4000M64 engines from Stewart & Stevenson
Boston Harbor Cruises’ (BHC) Provincetown fast ferry, Salacia, has returned to service following an almost $3 million engine refit which saw the vessel in dry dock from January through May 2015. BHC commissioned the installation of four MTU 12V4000M64 engines from Stewart &
The expansion of the number of wind turbines out at sea near the northern Dutch coast was reason enough for Ubels Offshore to expand its fleet with a fifth ship last year. Operating from the port of Eemshaven, the fast aluminum crew tender Vrijheid III fulfils the strict safety requirements of its
The DOP submersible dredge pump is this year celebrating 25 years since it was first introduced to the market. The first of its kind, since its humble beginnings it has evolved into a range of models that over time has been extended and improved