Page 70: of Maritime Reporter Magazine (November 2023)

In the Shipyard

Latest Deliveries, Contracts and Designs

Marcelle Melosira: Hybrid Research Vessel

Derecktor Shipyards NY in Mamaroneck, N.Y. has deliv- tion with UVM and Chartwell, the 64-foot research catamaran ered a new hybrid research catamaran to the University of has been crafted to ful? ll the functions outlined by UVM’s

Vermont (UVM). The innovative vessel, Marcelle Melosira, Rubenstein School of Environment & Natural Resources. will serve as a ? oating classroom and laboratory, enabling These functions include low emissions, low fuel burn rates, advanced research operations and hands-on educational pro- a stable and safe platform for research, high maneuverability, grams. Designed by Chartwell Marine and built in collabora- and the ability to tow trawls sleds, and plankton nets. The ves- sel will also facilitate the launch and recovery of scienti? c equip- ment, small remotely operated vehicles (ROVs) and sediment sampling devices.

The Marcelle Melosira is equipped with a hybrid-electric power and propulsion system supplied and integrated by BAE

Systems. The vessel is also equipped with dual control sta- tions to maximize operability, and offers a large interior space and an expansive exterior aft deck area. Constructed of alu- minum, the vessel is designed to operate on Lake Champlain in up to 1.5-meter Signi? cant Wave

Height conditions.

Photo Derecktor Shipyards

Electric Tugs @ Sea Trial

Two electric-powered emissions-free electric tugboats built by Sanmar Shipyards in Türkiye are undergoing sea trials ahead of being delivered to SAAM Towage’s Canadian ? eet. The tugs are based on the ElectRA 2300SX design from Robert

Allan Ltd (RAL). They were launched on April 8 and September 9 respectively, and measure 23.4m

LOA, with an 11.9m beam and maximum draft of 5.5m, and a bollard pull of 70 tonnes based on a battery power of 3616 kWh.

The tugs have Schottel SRP460 LE thrusters with 2,700mm diameter propellers, and can achieve a speed ahead of 11.5 knots. Their two CAT C32 back-up gen sets, each producing 940ekW at 1,800 rev/min, are IMO Tier III compliant. At full capac- ity, the new units will reduce 2,400 tons of green-

Photo Sanmar Shipyards house gases each year.

70 Maritime Reporter & Engineering News • November 2023

MR #11 (66-75).indd 70 11/3/2023 8:49:21 AM