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MARINE PROPULSION TECHNOLOGY chamber geometry in conjunction with the flexibility of the twin cap- shaft concept. The specific lube oil consump- tion was set to .6 g/kWh and achieved, using a normal, medium- alkaline SAE 30 or 40 class of oil. The low oil consumption is a cor- nerstone of the simplicity of main- tenance designed into the L16/24, as it helps avoid expensive oil changes. To date, orders for more than 70 of the engines have been received. Following the successful introduc- tion of the 16/24, the next, larger model of the family is scheduled to go on testbed trials soon. The new engine will be available with a 270 mm bore and a 380 mm stroke, with a power output of 300 to 340 kW per cylinder, for use for both ship's propulsion and for elec- trical power generation. For free information on the engine series Circle 72 on Reader Service Card SIEMENS Cost Saving was the object behind the develop- ment of the new propulsion system Siemens-SCHOTTEL- Propulsor*. And the results are convincing. This propulsion system has been shown to give a better efficiency than conventional and azimuth propellers. Energy savings of more than 10 % have been achieved. But the additional benefits are also remarkable,,such as improved manoeuvra- bility, low noise and vibration levels, increased safety, space-saving instal- lation, and easier handling. This new propulsion system is suitable for all types of vessels. For further information just contact: Siemens AG Marine Engineering Lindenplatz 2 D-20099 Hamburg Tel. +49-40-28 89-27 00 Fax +49-40-28 89-36 80 E-mail: Corinna.Guennewig@ hbg.hbgl .siemens.net •The Siemens-SCHOTTEL-Propulsor is a joint development between Siemens AG, Marine Engineering and SCHOTTEL-Werft Josef Becker GmbH & Co. KG. Siemens - Your Partner on Board Circle 228 on Reader Service Card Thrustmaster Offers New Brochure PORTABLE DYNAMIC POSITIONING SYSTEM A new eight- page brochure from Thrustmaster describes its line of Portable Dynamic Positioning Systems. Thrustmaster's portable DP sys- tems allow instant conversion of a dumb barge or a conventional OSV into a dynamic positioned work vessel. The whole system can be installed or removed in a few days, without the need for vessel modifi- cations or drydocking. For a free copy of the brochure Circle 73 on Reader Service Card MD Gear Series For Large Ships Cincinnati Gear's diesel pow- ered marine propulsion reduction gearboxes from 8,000 to 40,000 hp are designed for cargo vessels, tankers, ferries and military sealift ships. The MD Series was developed based upon Cincinnati Gear's extensive experience with diesel and gas turbine marine gearing. The MD series was designed to provide maximum efficiency and reliability in versatile, highly ser- viceable designs. For more information on Cincinnati Gear Circle 74 on Reader Service Card COMING NEXT MONTH IN MR/EN ... International Workboat Focus
