Ningbo Port Group has successfully completed the first LNG bunkering of Yang Gang Xiao Tuo No.60, their new RAstar 3800-DF tug, designed by Robert Allan Ltd. The operation commenced on February 28, at Beilun Port District, Ningbo Zhoushan Port. LNG was supplied by a dedicated tanker truck and was completed safely in 3.5 hours.
The LNG-powered tug is now in operation with Ningbo Port Group, who also operate nine Robert Allan Ltd. designed tugs.
This first ever RAstar 3800-DF tug is the 10th custom designed vessel by Robert Allan Ltd. in close collaboration with Ningbo Port. The vessel is also the first Robert Allan Ltd. designed LNG dual-fuel tug to operate in China.
The new vessel is powered by a pair of Niigata 8L28AHX-DF dual-fuel engines, each rated for 2,389 kW at 800 rpm, and driving Kongsberg US 255 CP 2.8 meter diameter controllable pitch Z-drives. Bollard pull recorded on trials met all expectations and is certified as 80.3 tons ahead. Recorded speed ahead is 13.5 knots.
The LNG tank and fuel gas system have been supplied by Gloryholder Liquefied Machinery (DL) Co., Ltd. of China. Gross capacity of the tank is 55 m³, which is suitable for a range of over 700 nautical miles in gas mode and can be supplemented by additional range of nearly 1,700 nautical miles in diesel mode.
Source: Robert Allan Ltd/Ningbo Port Group