Page 32: of Maritime Reporter Magazine (August 1997)

air-sea rescue vessel now in ser- vice. The vessel will be powered by a pair of 250-hp Cummins diesels driving 34-in. propellers through

Twin Disc 3:1 reduction and reversing gears. It will be named after Robert G. Brownlee, a philan- thropist.

Nichols Brothers Boat

Builders recently refurbished Cat

Express, installing new interiors and a ride control system especial- ly designed for the vessel by

Maritime Dynamics, Inc. (MDI).

MDI's ride control system for Cat

Express consists of a hydraulically operated trim tab on each hull.

These are automatically posi- tioned by an electronic controller to maintain optimum platform trim and to reduce accelerations arising from pitch, roll and heave motions that cause passenger dis- comfort and motion sickness.

MDI worked closely with the ves- sel's designer, International

Catamarans (Incat), and Nichols

Brothers to design this system for the vessel, taking into account pre- vailing sea conditions of its route.

MDI provided the detailed design and hull integration of the trim tabs, the hydraulic specifications and the electronic controller.

Nichols Brothers fabricated trim tabs and designed and procured the hydraulic parts.

Elliott Bay Design Group (EBDG) has designed a specialized seismic research catamaran (pic- tured on page 26) that disassem- bles for shipment to remote sites.

Based on a preliminary design by

Coastwise Engineering, the catamaran is now under construc- tion at Peregrine Marine in

Anchorage, Alaska. "While the vessel itself is not highly unusual, its ability to be taken apart and trucked or barged to a new site is," said EBDG's Jim Cole, project manager.

The catamaran — due for com- pletion in July — will carry seismic equipment on a cargo deck, span- ning the space between the two hulls.

The aluminum catamaran will be 78 ft. (23.7 m) long, with a 34.5-ft. (10.5-m) beam and a three-ft. draft. It will be powered by four 800-hp Lugger diesels, driving

Traktor model jets.

For more on the U.S.

Maritime Industry, turn to page 108.

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