Case Studies

Category: PTO Clutch

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

Flywheel Mounted Logan PTO Replaces Mechanical on Tug

By Ed Gallucci
May 20, 2014 Category: PTO Clutch, Marine, Case Studies

When Canadian towing and barge services provider Island Tug and Barge encountered problems with the mechanical clutch system on one of its tugs, it turned to Logan Clutch to provide a solution. Island Tug, based in Vancouver, British Columbia, offers towing and barge services, including ramp-equipped deck barges, aggregates and general cargo, as well as cable installations. The companys towing services extend to the Pacific Rim, and it also has facilities on Canadas eastern seaboard. Island Tug had been running two generator sets on the tug Island Scout. These ran pumps for the main hydraulics and bow thrusters off the back of the engines. In order to do this, both engines were equipped with conventional, mechanical lever actuated PTO clutches to drive the pumps. The problem was that these clutches started to fail during full rev/min engagement. Generator sets normally run at 1,800 rev/min and cannot be slowed down to allow for clutch engagement. These failures were creating frequent

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