Case Studies

Author: Ed Gallucci

Power Take-Off (PTO) Clutches - Oil and Gas Applications

By Ed Gallucci
October 11, 2016 Category: Oil Gas, Power Take Off (PTO) Clutches Oil And Gas Applications

In this Oil Gas vehicle application, the Logan SAE 600 series Direct Drive PTO is mounted on a typical 2-pad live PTO pump pad, sandwiched between a CAT 3412 Diesel Engine and an Allison 8900 Series Transmission. The Logan 600 series Direct Drive Power Take-off (PTO) clutch will connect or disconnect the single and tandem pumps mounted to the live PTO pump pad. The pumps are used only on the job site, and remain disconnected(via the Logan PTO) when the vehicle is idle and not in use, or when driving to and from the job site. This option to clutch-in and clutch out the pumps minimizes wear and tear on the pumps, reduces unnecessary fuel consumption, and the chances of over speeding the pumps (since they are disconnected from the drivetrain) when the vehicle is at highway speeds during transport.

Oliver Hazard Perry sets sail with Logan Front of Engine PTOs

By Ed Gallucci
March 23, 2016 Category: Marine, Case Studies

Adding Logan Front of Engine Power Take-off (PTO) Clutches to the SSV Oliver Hazard Perry increases maneuverability, efficiency and safety. Traditional Sails Equipped with Modern Day Power The worlds newest tall ship, the SSV Oliver Hazard Perry, calls Newport, Rhode Island its home. The 200-foot vessel is the largest privately owned tall ship and largest civilian sail training vessel in the U.S. With her three-masted square rig towering 13 stories high, shes second in size only to the USCoast Guards Barque Eagle when compared with any other Tall Shipin America. The tall ships namesake, American Commander Oliver Hazard Perry, won the battle of Lake Erie during the War of 1812 and popularized the phrases, We have met the enemy and they are ours and Dont give up the ship. The massive ship is certified for Ocean Service. The ship has a full-time crew of 17, accommodations for 32 and a day sail capacity of up 85 people. Team building is a key part of the curriculum where students become

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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