Broström Tanker Propelled by Rolls-Royce

Wednesday, June 14, 2006
Bro Deliverer is the first of a series of four combined product/chemical tankers which break new ground in propulsion systems. They will all be propelled, maneuvered and moored using Rolls-Royce equipment. The D-class Broström vessels are designed to meet the present and future requirements of the oil and chemical industry, both in terms of the volumes and types of cargo to be carried, and in providing safe, low environmental impact and economical transport. Since the vessels will often be maneuvering in port, operating in shipping lanes with heavy traffic, and need to meet future regulations and expectations, a high level of maneuverability and propulsion redundancy has been specified.

Rolls-Royce will supply each vessel with two Azipull thrusters rated at 2,380kW each for main propulsion. The AZP120 units with pulling propellers are the first Azipull thrusters to go into service in tanker propulsion. They provide propulsion and steering, and are supplemented by a TT1850 tunnel bow thruster of 1,000kW. Loaded service speed is about 13 knots By using two azimuth thrusters for propulsion, each with its own medium speed main engine, independent steering and separate fuel systems for each engine, a high level of propulsion redundancy has been achieved, and Bro Deliverer has RP class notation from DNV and Clean Design class. Broström’s D-class tankers have a deadweight of about 14,500dwt on a draught of 8m, an overall length of 146.8m, a beam of 22m and 14 tanks with a capacity of 18,556m3 when 98% full. They are built at Jinling shipyard in China.

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