Page 43: of Marine News Magazine (October 2023)

42 44

Vessels

Green Diamond

The U.S.’ ? rst Marine, Kirby’s shipyard in Channelview, Texas. Anoth- plug-in hybrid elec- er Kirby company Stewart & Stevenson Manufacturing tric inland towing Technologies designed and installed the power manage- vessel was christened ment, control and propulsion systems.

at a ceremony in Propulsion is provided by two 575 KW Danfoss electric

Houston in August. motors that can be driven either by the Corvus Orca series

Kirby Inland Ma- battery system, which provides 1243 KWH of power, or, if rine’s Green Dia- needed, onboard Caterpillar generators.

Corvus Energy mond will be time A Shell-owned Zinus charging system will be used for chartered by Shell Trading (US) Company, which will use dockside charging of the battery system, allowing the vessel the vessel to push barges throughout the Houston port to complete trips within the Houston area without using its region. According to Kirby, the vessel can achieve an es- generators, Kirby said. Shell Energy Solutions will provide timated 80% reduction in fuel use and related emissions. electrical power matched 100% by Green-e certi? ed renew-

The ? rst-of-its-kind vessel was constructed by San Jac able energy certi? cates to charge the vessel’s battery system.

Marcelle Melosira

Derecktor Shipyards NY in Mamaroneck, N.Y. has de- small remotely operated livered a new hybrid research catamaran to the University vehicles (ROVs) and sed- of Vermont (UVM). The innovative vessel, Marcelle Me- iment sampling devices.

losira, will serve as a ? oating classroom and laboratory, en- The Marcelle Melo- abling advanced research operations and hands-on educa- sira is equipped with a tional programs. hybrid-electric power

Designed by Chartwell Marine and built in collaboration and propulsion sys-

Derecktor Shipyards with UVM and Chartwell, the 64-foot research catamaran has tem supplied and inte- been crafted to ful? ll the functions outlined by UVM’s Ru- grated by BAE Systems. The vessel is also equipped with benstein School of Environment & Natural Resources. These dual control stations to maximize operability, and offers a functions include low emissions, low fuel burn rates, a stable large interior space and an expansive exterior aft deck area. and safe platform for research, high maneuverability, and the Constructed of aluminum, the vessel is designed to operate ability to tow trawls sleds, and plankton nets. The vessel will on Lake Champlain in up to 1.5-meter Signi? cant Wave also facilitate the launch and recovery of scienti? c equipment, Height conditions.

Jane McAllister docking tractor tugs operating in the Port of Virginia.

Recently delivered from East Boothbay, Maine shipbuild- er Washburn & Doughty, the 6,770 horsepower vessel is equipped with 3516E Tier IV Caterpillar engines powering twin Schottel SRP 490 Z-drive units. The 93- by 38-foot tug features Markey winches on the bow and stern and achieved over 91 short tons during its ABS bollard pull certi? cation.

McAllister Towing

McAllister president and CEO, B. Buckley McAllister,

McAllister Towing’s new tug Jane McAllister has entered said the tug is the company’s 10th with over 80 metric tons service as one of the most advanced and powerful ship- of bollard pull and escort capability.

www.marinelink.com MN 43|