Case Studies

Author: Mike Vining

Clutches for Schottel SRP 1515 Z-Drives

By Mike Vining
October 03, 2016 Category: Clutch For Schottel SRP, Clutch For Schottel SRP1515, Clutch For Schottel Z Drive, Logan Clutch For Schottel SRP, Logan Clutch For Schottel SRP1515, Logan Clutch For Schottel Z Drive, Marine

Western Towboat Company Inc. is a family-owned business operating 19 tugs from its base in Seattle, Washington. The tugs regularly tow rail, container, general cargo and bulk aggregate barges to Alaskan ports. Western has also undertaken tows to the Hawaiian islands, Panama Canal, the US Gulf and east coasts, and South America. The company prides itself on providing customers with one of the most modern tug fleets on the west coast. Each tug features a design that originated at Western Towboat and was built by Westerns own craftsmen. Ed McEvoy, fleet port engineer, contacted Logan Clutch when he was informed that an azimuth thruster clutch assembly he had already installed in two other boats was no longer available for a new boat under construction. I had worked successfully with Logan in the past on a winch clutch replacement project and so I decided to contact Logan for this project too, he explained. Logan engineers went to work with the goal of designing an assembly that improved

PTO Produces Pressure Under Pressure

By Mike Vining
May 20, 2014 Category: Fire Fighting, PTO Clutch, Marine, Case Studies

Logan Clutch, Moose Boats and Cummins Pacific have teamed up to create the most capable fire boat package in the business. Marine diesel engine specialist Cummins Pacific LLC and Logan Clutch have teamed up with Moose Boats Inc to deliver a new vessel, with outstanding fire pump capability, to West Pierce Fire and Rescue in University Place, Washington. Moose Boats, a boat designer and manufacturer based in the San Francisco Bay Area, was awarded the contract to build a M2-37 catamaran fire rescue boat. The 37 ft. aluminium catamaran is powered by the newly-introduced twin Cummins 6.7 ltr. 425 hp turbo diesels and propelled by Hamilton 292 water jets. The vessel will provide West Pierce Fire and Rescue with fire-fighting, rescue, dive and shore-landing capabilities. It features a unique fire pumping arrangement, with dual 4,546 litres/min fire pumps and a remote control fire monitor rated for 9,092 litres/min, as well as an electrically-operated bow door. The bow door arrangement maximizes

CH Clutches Power Lufkin Marine Gears for ATB

By Mike Vining
May 20, 2014 Category: CH Clutch, Case Studies, Marine

Logan CH 1050 series clutches proved to be just what was needed when New York-based Reinauer added fast and maneuverable articulated tug and barge units to its fleet. Reinauer Transportation Companies, based in Staten Island, New York, is a leader in the US maritime petroleum and chemical transportation business. Established in 1923 by Bert Reinauer, the company successfully weathered the Depression and the war years, and has continued that trend through the past several decades. In the 1990s, Reinauer demonstrated that it could adapt to the stringent regulatory changes imposed by the Oil Pollution Act of 1990, completely revamping its fleet by moving forward with innovative double-hulled vessel designs. These innovations manifested themselves in the form of articulated tug and barge (ATB) units, of which there are now a total of 17 in the Reinauer fleet. The most recent series of ATBs added to the Reinauer fleet were delivered by Senesco Marine, of North Kingstown, Rhode Island. There

Foss Hybrid Tug Project Campbell Foss

By Mike Vining
July 18, 2012 Category: Marine, Hybrid, Bell Housing Clutch, CH Clutch, Main Propulsion, Case Studies, Marine

Founded in 1889, Seattle-based Foss Mari-time offers a complete range of maritime ser-vices and project management to customers across the Pacific Rim, Europe, South Ameri-ca and around the globe. With one of the largest fleets of tugs and barges on the Ameri-can West Coast, Foss operates two shipyards and offers worldwide marine transportation, emphasizing safety, environmental responsi-bility and high-quality service. Logan Clutch is proud to have been involved with the conversion of the Dolphin Class tug Campbell Foss into the Worlds second Hybrid Tug. The Campbell Foss was built in 2005 in Rain-er WA in the Foss Yard and was originally a conventional tug powered with two 2540hp Caterpillar 3512C engines coupled to Rolls-Royce US205 fixed pitch azimuth thrusters. The conversion involved adding a new Logan LCT Bell Housing clutch on to the 21 flywheel output of the 3512s with an integrated Centa torsional coupling. The flange output of the clutch was connected by a shaft to the motor

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