Page 39: of Maritime Reporter Magazine (September 1995)

Hitachi Zosen Completes VLCC Tohzan

TheTohzan, a258,792-dwtVLCC ordered by Nippon Yusen K.K., was completed at the Ariake Works of

Hitachi Zosen. The vessel was chris- tened and delivered to the owner,

Wight Navigation S.A., on July 18.

The vessel was developed to at- tain high fuel efficiency with a slim hull configuration for a VLCC. It is equipped with a Super Stream Duct — an energy saving device devel- oped by Hitachi Zosen — in front of the propeller, and a Reaction Rud- der at the rear of the propeller. It is also fitted with a large bulbous bow below the water line and painted with self-polishing copoly- mer (SPC) to ensure the long-term hull fouling prevention. All mea- sures were taken to improve the vessel's propulsion efficiency.

The vessel uses a low-speed, long- stroke, constant-pressure super- charged diesel engine. Also adopted are energy saving techniques in- cluding the Turbo Compound Sys- tem (TCS), which recovers energy from exhaust gas to use for propul- sion, a turbo power generator, and a shaft generator/electric motor system.

The main engine can be operated from the wheelhouse and the en-

To/izanSpecifications

Length (o.a.) 1,099 ft. (335 m)

Breodth 190 ft. (58 m)

Depth 94.5 ft. (28.8 m)

Summer draft 63 ft. (19.2 m)

GT 149,896

DWT 258,792

Main engine Hitachi Zosen B&W

Maximum continuous output 28,720 ps x 69.2 rpm

Speed 15.5 knots

Classification NK gine control room on the A deck using a microcomputer-equipped remote control system. The cargo oil lines in the tanks, arranged to allow loading three grades of crude oil, are constructed of corrosion- resistant cast steel pipes for en- hanced corrosion prevention. The vessel's self-stripping system al- lows short unloading periods.

The Tohzan, a 258,792-dwt from

Hitachi Zosen, features many inno- vative features designed to make it run more efficiently. 1995, and the first quarter of 1996, respectively.

American Eagle Acquires

Munson Hammerhead

The Munson Hammerhead line of aluminum workboats — which includes fire boats, police/patrol boats, rescue vessels, ferry boats, landing craft, oil response boats and oil skimmers — will now be built in the American Eagle manu- facturing facility in LaConner,

Wash. The long-time commercial and workboat manufacturer will continue producing custom alumi- num boats such as American Eagle oil recovery and other specialty vessels. They will also continue to produce its newly developed SAFE boat line of military, dive and utility boats, as well as the entire line of

Hammerhead boats.

American Eagle has pioneered numerous new vessel types such as the first aluminum oil storage barge in use by National Response Corp, and the SAFE brand of military, dive and utility boats.

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September, 1995 41