China: In a contract involving two large rescue ships, MAN Diesel and Turbo is to supply two twin-screw complete propulsion packages based on its latest MAN L48/60CR engines, Renk RSHL reduction gears and newly designed Alpha Mk 5 propellers.
The two new rescue ships are to be built by the CSSC Guangzhou Huangpu Shipbuilding Company in China. At 117 metres overall, and with speeds up to 22 knots the newbuildings are to operate for the Beihai Rescue Bureau and Donghai Rescue Bureau, under the Chinese Ministry of Transport.
MAN Diesel and Turbo's four stroke medium-speed engines, of the well-established 48/60CR (Tier II common rail) family offer 1,200kW per cylinder at 500rpm. Six cylinder 48/60CR engines power the RSHL1000 reduction gears from MAN Diesel and Turbo's sister company and gear specialist Renk AG. The Renk gears also feature shaft alternators driven from 2,400kW primary PTO's.
Completing the power train, are twin four-bladed 4.0-metre diameter Alpha VBS1020 Controllable Pitch Propellers of the new high-efficient Mk 5 design generation. Tail shafts of 20 metres and three 8.5-metre sections of intermediate shafting are specified.
"The 48/60CR engines have been chosen for these rescue vessel newbuildings due to their wide operational flexibility and their combination of favourable fuel efficiency, low emissions levels and invisible smoke under part-load operation," said Goetz Kassing, General Manager of MAN Diesel Shanghai.
The first ship set is for deliver in October 2011 and second ship for March 2012.
