seatec - Finnish marine technology review 1/2011 | Page 20

5300 HP tug “Freedom” provided with JAK®-700 ATB Couplers. Owner: Express Marine, Camden NJ. Beacon Finland: Design Solutions for Marine Industry Beacon Finland is an international says that today the JAK®-ATB Coupling was established in 1987 and it has a long forerunner in the field of pusher- System is in production in four sizes: “We track record of working with ship own- have smaller systems for lakes and rivers ers’, shipyards and ship equipment man- and bigger ones for open sea,” he says. ufacturers. barge assemblies. Already in 1990, Beacon Finland developed the Over the period of two decades, the In addition to the JAK®-ATB Cou- JAK®-ATB Coupling System for coupling system has seen many upgrades pling System, the company has plenty of pusher-barge assemblies. as feedback has come in from the cus- other experience in ship design – both con- tomers, enabling product development to ventional and special ships. The company’s take place. “We also conduct the installa- designers have expert knowledge on e.g. tion designs and calculations ourselves to hydrodynamics, ship propulsion, structur- make sure that all functional issues are at al strength and hydraulics. A TB means, in essence, an articulated tug-barge system where a tug is en- gaged to barge with two couplers. These allow tug and barge to pivot in vertical di- an optimum level.” OFFSHORE INNOVATION rection independently, thus reducing forcAMERICAN ACTION Beacon Finland is also involved in the off- The basic idea of the invention was The biggest market for the ATB System is shore sector where the company has de- to improve the existing connection devic- the United States where the devices are livered advanced propulsion applications es between the tug and the barge in the in use on all three coasts – east, west and for drillships which need to stay in one ATB system with the aim of a lightweight, south (Gulf of Mexico). In addition, there place during operation. “We have devel- safe, simple and cost-efficient coupling. is some lake action as well. “All told, there oped a thruster canister for the drillship Beacon Finland was able to overcome the are 40 units in the USA.” Looking ahead, which can be lifted inside the ship as re- conventional problems relating to heavy Rintala recognises that it is difficult to pre- quired – when navigating a shallow chan- weight and high cost to create the JAK®- dict the future, but one thing seems clear: nel, for instance,” Rintala explains. At the ATB Coupling System. As a consequence, “The share of bigger devices in production moment, there are three drillships which also safety and stability were improved. is growing.” utilise the solution. ■ es in joint. Technology Director Timo Rintala 18 seatec 1/2011 The Rauma-based Beacon Finland SAMI J. ANTEROINEN