Compiled by Marine Log Staff
Smooth Operator New Deck Tech is making operations efficient, quieter and safer
wners and operators require equipment that will make operations run smoothly, be safer for crews and provide efficiency in the process. Luckily, deck machinery providers are upping their game, launching innovative solutions to meet industry demand. JonRie Marine Winches recently debuted its new Tri-Winch set on board Seabulk Towing’s new ART Trident. Designed by Robert Allan Ltd. the 98 ft Advanced Rotortug was built at Master Boat Builders, Bayou La Batre, AL, and is the first in a series of three being built for Seabulk Towing. The Trident has a bollard pull of 78 tons. JonRie’s Tri-Winch set was specifically designed for escort operation over the bow or from the stern, as well as long line towing over the stern—making the winch an ideal choice for escort, terminal support, towing and ship assist services and operations. New features on the winch include its honeycombed drums and dual power units for independent operation. The winch’s dual foot control allows for hands free operation of each winch—press down to payout and heal back to haul in. Once the lines are hooked up, all operations are performed from the wheelhouse, with no one needed on deck, leading to safer operations. Also included in the set is JonRie’s Tension readout system for each drum with side lights and dimming for night use.
Its Electric for Rapp Marine Rapp Marine has developed and built a unique, fully electric driven double drum tow winch for a new 110 ft x 40 ft tractor tug currently being built at JT Marine Shipyard for Vessel Chartering LLC, a wholly owned division of Baydelta Navigation Ltd. The
tug, designed by Jensen Maritime, will be delivered later this year. Driven by a single 100 hp motor, the winch can pull over 75 tons at first layer and uses pneumatic cylinders in place of hydraulics. The sturdy brakes offer a force of 250 tons on the barrel layer; and the main drum can store 2,500 ft of 2.5 inch steel wire, while the storage drum stores 2,200 ft of 2.25 inch steel wire. An electic “come home” drive will serve as a back up to the main drive train. The winch’s main control station, which will be situated in the wheelhouse with secondary controls located on the winch, will employ Rapp Marine’s advanced Pentagon Tug PLC Control System, providing more efficient and safer operations for towing vessels. The Pentagon System features a touchscreen with tension and wire length readouts, auto-tension capability, and automated haul-in and payout settings, with the added capacity for logging data.
Ship-to-Ship Compensation System MacGregor, part of Cargotec, has launched a crane compensation system for offshore ship-to-ship load transfers. The system, which offers a larger operating window as well as safer and faster load transfers, can be retrofitted onto vessels already using MacGregor offshore cranes. It features precise tension and position control for accurate load hook-on, pick-up landing and hook-off. The system employs a motion reference unit on the deck of the secondary vessel. This, says MacGregor, transmits motion data to the crane on the primary vessel via a high-speed redundant wireless link. Combining motion data from both vessels, the system calculates and applies the winch compensation necessary to minimize hook movement at the load-handling zone on the secondary vessel. April 2017 // Marine Log 25