The vessels are designed by North American Shipbuilder Inc. and will be built in Brazil by Estaleiro Navship LTDA.
The four vessels have been specially developed to operate in Brazilian waters under an eight year long contract with Petrobras, but will meet demands for world-wide operations.
The deck machinery delivered by Rolls-Royce will include low pressure high torque winches, stern rollers, anchor handling cranes and anchor launch and recovery systems (A-LARS). All mechanical, hydraulic and electric systems are included in the package.
UK homes more suitable for heat pumps than expected
Hello Gordoun, you can use a simple empirical formula to estimate COP (my own analysis, unpublished, based on the Building Research Establishment...