Posts By: Warren Groom

Retrofitting Z-Drives for High Speed

Nautican Units Maximize Speed and Performance for Manson Hopper Dredge

The Glenn Edwards is part of the Manson fleet of hopper dredge vessels and is the largest capacity trailing suction hopper dredge in the United States. Dredge vessels offer channel and harbor maintenance as well as upland disposal and beach nourishment. The Glenn Edwards stores just over 10,000 square meters of dredged material in hoppers to transport to disposal sites, or can disperse the material directly through discharge outlets. Read more...

South American Shipyard Launches First Tug

Nautican Units Offer Proven Performance Gains in Shallow Water Applications

An international collaboration came together in the construction of a new river pusher tug. Concordia of the Netherlands designed the RP6000 tug for the Japanese and South American owned Astillero Tsuneishi Shipyard, using Nautican high-efficiency nozzles and Nautican’s triple-rudder design. This is the first tug for the Astillero Tsuneishi Shipyard, established in a remote region of Paraguay in 2008. Read more...

Tugnology Hot Topics

Recently I attended the Tugnology conference at the Lancaster Hotel in London, England. I have been to this conference previously, and as usual, it was very well organized and attended by tug industry stakeholders from around the world. There were three hot topics this year which were of particular interest to me: Read more...

Edgar Kotokak

First Application of Integrated Nautican Nozzles and Rudders Drives Improved Performance

Nautican installed customized, high-efficiency nozzles and triple rudders on the pusher-towing tug, the Edgar Kotokak. This refit significantly increased the vessel’s thrust, maneuverability and fuel efficiency, generating significant cost savings. Additionally, by supplying the nozzles and rudders as an integrated unit, Nautican reduced shipyard installation time and cost. Read more...

Island Monarch

Nautican Triple Rudders Improve Vessel Handling & Performance

Nautican installed high-efficiency Triple Rudders to improve the steering capability on the Island Monarch, the pusher tug of an ocean-going Articulated Tug Barge (ATB). The rudders significantly improved the Island Monarch’s handling and enabled the tug – with her relatively low 3000 horsepower – to turn the barge safely and quickly. Read more...