Pacific Maritime Magazine Online News for June 3, 2016
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The Design of Modern Tugboats

By Robert G. Allan, P.Eng
In 1970 there were still many single and twin-screw, relatively low-powered tugs performing ship-assist work. The concepts for the first Schottel/BCP Z-drive tractor tugs were introduced by Corlett and Bussemaker at the 2nd International Tug Conference in 1971, and contemplated tugs with from 6.4 to an awe-inspiring 54 tons of bollard pull (BP) in the largest (33 m) tug of the proposed series. How times have changed! Today a new tug of 50 tons BP or less is rare for any ship-handling task in a major port.

The Z-drive tug, and specifically its Azimuthing Stern Drive (ASD) configuration, has evolved as the dominant tug type of choice worldwide; Z-drive tractors are rare, and VSP tractors have their continued share of devotees…MORE
Friday, June 3, 2016

SAFE Boats Delivers 2000th Craft

Kvichak Delivers Response Boat to NYPD

Ruby Marine Buys Inland Barge Service

NASSCO Wins $106 Million Navy Contract
Have a news tip to share? Send an email to Mark Edward Nero

Story1SAFE Boats Delivers 2000th Craft
By Mark Edward Nero

Bremerton, Washington-based aluminum boats manufacturer SAFE Boats International has completed the first Coastal Interceptor Vessel (CIV) on contract from US Customs and Border Protection’s Air and Marine Operations division..(Read full article)

Story2Kvichak Delivers Response Boat to NYPD
By Mark Edward Nero

Seattle-based Kvichak Marine Industries, a Vigor Industrial subsidiary, has delivered a 45-foot Response Boat – Medium C (RB-M C) to a long-time customer, the New York Police Department’s harbor unit…(Read full article)

Story3Ruby Marine Buys Inland Barge Service
By Mark Edward Nero

Alaska-based Inland Barge Service, a small family owned and operated barge service that has been serving the Yukon River since 1994, has been bought out by another Alaska-based service, Ruby Marine, the companies revealed in late May… (Read full article)

Story4NASSCO Wins $106 Million Navy Contract
By Mark Edward Nero

San Diego-based General Dynamics NASSCO has been awarded a $106 million contract by the US Navy for material and engineering support for the Expeditionary Mobile Base 5 (ESB-5), formerly known as the Mobile Landing Platform Afloat Forward Staging Base program… (Read full article)
 
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