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Marine News Magazine - July 2008 - Page 42
waterjets HamiltonJet fitter Neil Harrison tightens the Astern Deflector bracket on one of the first two HT1000 waterjets to leave the company's Christchurch factory. TUTOR-SALIBA CORPORATION Contact: James Foster 818-362-8391 EM1022 - 2001 Blount 55'x 17'3"x 10' Model Bow Tug Boat. S/N 1110974 c/w Twin Cat 3412 w/615hp, twin disc trans MG5170DC, ratio 4.50:1, Northern Lights 984 gen set w/M32C/32 kw, La Marche A224012VA1 constavolt, 110 cfm elec comp, (5) bitts, (2) stern mtd pullmaster, hyd facing winches, (4) VHF, Furuno radar, Northstar 951X plotter, jog steering, facing winch controls, datamarine depth sounder, (2) 14' push knees, full perimeter tire bumper. $625,000.00. EM1068 Official # 534891 - 1021 net/Gross Tons - Built 1928 in Oakland CA. LOA 258.5' Beam 38' - Depth 12'. Flat Deck Barge, riveted steel construction, raked bow and stern. 6" asphalt wear deck with 3' steel fenced sides running port and starboard. Barge is also outfitted with 2 Clyde two drum waterfall winches. $300,000.00. EM1163 - 125' x 34' x 9' Flat Deck Barge s/n 1065170 c/w 12 hatches, 4 bitts, 6 kevels, 25 degree raked bow/stern, stern w/skaggs. $125,000.00. Each of the 300 tonne-class steel patrol vessels will have two HT1000 waterjets plus a central pair of smaller HM811 boost waterjets, driven by four 2.7 MW (3650hp) diesel engines to give a top speed of 35 knots. The new HT1000 unit features a high efficiency "mixed flow" pump that is more compact than competing waterjet models, and advanced computational fluid dynamics (CFD) software was used extensively in its design. Thrust vectoring is achieved by a unique internal pivoting nozzle arrangement that deflects the entire water flow of each jet to port or starboard for steering, and a split-duct deflector for reversing the water flow for ahead / astern thrust control. The vessels diesel engines, gearboxes and waterjets are controlled using a integrated networked digital electronic control system. The thrust vectoring capabilities of the waterjets allow a vessel to stop very quickly (within 1-2 boat lengths), turn on the spot and move sideways, which is not possible with conventional propellers. www.hamiltonjet.com Doen Waterjets Doen Waterjets develops and manufactures waterjet propulsion systems. Doen's first commercial application was successfully completed in 1970. A customer oriented global DJ100G 10 waterjet with integral gearbox. 42 MN July 2008
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