Page 42: of Maritime Reporter Magazine (September 1996)

EUROPEAN UPDATE triple hull form, the craft provides a wider deck platform than could be accommodated on a monohull, and with additional stability. The trimaran concept was deemed preferable to a catamaran arrangement, as it allows more flexibility over deck plan arrangements and accommodations. According to the operators, the craft is also considerably more maneuver- able than either monohull or catamaran, is more cost-efficient to build and operate, and is considered safer.

The design has also facilitated a unique docking arrangement. In plan form, the craft is wedge shaped forward, enabling the vessel to dock in a "V" berth, which White Horse has fabricated into its piers at Gravesend and

Tilbury. This method stabilizes the vessels for passenger boarding and alighting, and is said to be safer and faster than the traditional means of mooring craft.

The hull, deck and superstructure are all built in glass reinforced plastic (GRP), with a single skin laminate on each hull with keel beam, frame bulkhead and stringer arrange- ment, providing considerable strength. Foam sandwich construction has been adopted for the deck and superstructure, and fire retar- dant resins were used in the engine room and

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Hiller Systems, Inc. /2220 Paramount Drive / Chesapeake, Virginia 23320/ Phone: 804-424-8142 / Fax: 804-523-1376

Circle 280 on Reader Service Card ±1 T m

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Circle 301 on Reader Service Card

J

INDUSTRIAL S MARINE CLEANING SERVICES • Chemical cleaning specialists to industry, refineries, petrochemical plants, ships, barges, rail and truck since 1982. • Exclusive operators of LIQUABRAZE", a sand blast substitute capable of operating in a ncn-gas free environment; any degree of clean, down to reclaiming paint profile; water soluble and no clearvup. • First in the manufacture and use of chemical cleaning products, solvent base for custom-blending or biodegradable for cleaning and oily water separation.

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Circle 395 on Reader Service Card

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Circle 260 on Reader Service Card passenger areas.

Measuring 59.11 x 18-ft.(18.26 x 5.5-m), with a loaded draft of 2.95 ft. (0.9 m) and loaded dis- placement of 16.19 tons, the 12/60s are being fit- ted with either Sabre Perkins 185 engines, pro- ducing 185 hp at 2100 rev/min — as on Martin

Chuzzlewit — or the new Deutz 1015 V8 water- cooled engine, which offers higher speeds with 473 hp at 2100 rev/min. The latter has been selected for Wilkins Micawber, the first of the two craft now in build, scheduled for service in late fall. The sister vessel will also have a Dickensian name.

Both engines power an Ultrajet 375 with an appropriately matched impeller. The waterjet manufacturer, Ultra, has also developed a very comprehensive electro-hydraulic system with full intelligent feedback joystick control of the jets, steering and reversing bucket. A speed of around 20 knots is reportedly attainable.

Each vessel is designed for single crew operation although, in this instance, a maximum of only 12 passengers can be carried to comply with Marine

Safety Agency regulations. Sixty passengers can be carried when operated with two crew so that additional lifesaving equipment can be manned.

Passenger accommodation is located amidships with an open aft deck and covered fore deck, astern of the wheelhouse, which is located at the bow. The passenger saloon has seating for 50 pas- sengers and a wheelchair, with the first 12 seats aircraft style. The remainder are of molded GRP with soft upholstery. The outside deck has addi- tional seating for eight passengers and room to stow bicycles. Ample standing room is also avail- able on both decks and in the saloon.

Safety has featured strongly in the design con- cept and the 12/60s have 12 fully watertight com- partments, each with two automatic bilge pumps.

In the event of the main hull or one of the spon- sons suffers from collision damage, the remaining buoyancy would reportedly be sufficient for keep- ing the vessel afloat. The vessels are built to

Lloyd's approved drawings.

The two trimarans currently in build will be employed to open a half-hour service between

Charing Cross and Canary Wharf, initially on a

Monday-Friday basis. Ebenezer Scrooge will be utilized as a standby vessel on the route.

Halter Marine Awards Contract To

Marine Electronics

Florida-based rep. firm Marine Electronics

Solutions, Inc. has been awarded the U.S. Navy

MK-V electronics package by Halter Marine New

Orleans. The integrated package includes:

Transas Marine's NAVI-Sailor 2400 electronic charting systems with radar target extractor; three rugged, waterproof, surface-mounted SVGA visual display units; Furuno FR8051D/4 radar with ARPA; and three Ritchie magnetic compass- es — one KVH militarized fluxgate compass and two GPSs. The vessels are the seventh and eighth of a possible twenty.

For more information on Marine Electronics Solutions

Circle 2 on Reader Service Card 44 Maritime Reporter/Engineering News