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Nolan Marine News

10 Sep 2004

Sideways to Swimmers: Unusual Tank Testing

Offshore supply vessels, passenger vessels, yachts. How much power is required and how will they ride in seas? These are the questions Gerry Stensgaard, P.Eng, and the staff at the Ocean Engineering Centre (OEC) of Vizon Scitec (formerly BC Research) usually answer. But over the years naval architects and others have asked for answers to some unusual questions. "They are open minded about special testing," says Tim Nolan, P.E., Naval Architect at Tim Nolan Marine Design, PC. Special testing might mean a peculiar test of a typical craft. Or it might be basic resistance and seakeeping tests for an unusual craft; which might seem easy, but the test setup can become difficult. Located in Vancouver, Canada, the OEC consists of a 220 by 12 ft.

05 Jan 2000

Pilot Boat Features New Hull Design

Featuring a waterjet-powered fiberglass hull, a new pilot boat was constructed for Puget Sound Pilots at Nordlund Boat Co., Tacoma, Wash. Measuring 74 ft. (22.5 m), the vessel will be based at Port Angeles, Wash., where it was scheduled to enter service during December 1999. Powered by two Cat® 3412E marine diesel engines, each rated 900-bhp at 2,300-rpm, driving Hamilton waterjets through Reintjes Gears, the vessel's top speed is estimated at 26 knots. The 1,800-bhp (1,342 bkW) Puget Sound boasts a new hull design developed in conjunction with Tim Nolan of Tim Nolan Marine Design and Ed Hagemann of Hage-Marine, Inc. Noted as the first…