The Azipod (Azimuthing Electric Propulsion Drive) propulsion system has been developed jointly by ABB and Kvaerner Masa Yards. The Azipod concept is a main propulsion system based on the ac-ac electric propulsion concept. Development work and references of ABB Azipod Oy are described. Also vessels ordered with the Azipod propulsion system are described.
As an example of the concept the propulsion machinery of the earlier Fantasy-class vessels and the seventh vessel of the series, the M/S Elation, are compared. Practical experience of the system is presented in a description of the sea trial experiences.

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In 1991, Nakashima Propeller made a sales agreement with Schottel Werft Germany, one of the leading manufactures dealing with azimuth propulsion equipment, and we have been promoting our domestic sales activities for Schottel pump-jet since then.
We herewith introduce the pump-jet and specify its structure, principle, features, installation examples and type line-up etc. Furthermore, we would give an additional information about the latest version of the pump-jet.

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Arneson Surface Drves were developed as most suitable drives of surface propeller for high-speed boats.
Niigata Converter made a sales agreement with Twin Disc in 1994, and has been selling in Japan.
We herewith introduce the ASD and the features, based upon the actual results of sea trials.

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New vecTwin System was newly developed with improvemens based on customer's opinion since previous VecTwin system was introduced once on Journal of The MESJ Vol.29, No.9 in 1994.
In this paper, the outline of New VecTwin system is explained and the improvements from the old one and thier effects are sxplained too.
It can give more easy and simple maneuvering and higher safety of vessels due to establishing of the improved system including Joystick control which is indispensable device for the VecTwin System.
And the experience, Opinions and wishes from many captains are reported for this new system and the study items in future are also mentioned at last.
As the conclusion, it can be said that this New VecTwin is not so much rudder control system as the total system combined propulsion and maneuvering.
And it is expected to contribute shipping society with more salty and econmical operation of vessels and also the reduction of the stress of ship's crews due to the tight work.

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To achieve reduction of primary energy consumption and prevent deterioration of global environment, a liquid-phase methanol synthesis process was investigated to recover wasted or unused discharged heat from industrial sources for the thermal energy demands of residential and commercial areas. The chemical reaction rate of methanol synthesis by hydrogenolysis of methyl formate was measured using a plate-type of Raney copper catalyst in a reactor with circulating flow. The contents of methanol in the liquid were analyzed by gas chromatographs, then the reaction rate was calculated by the measured increases in methanol due to reaction. The reaction characteristics were investigated by carrying the experiments at various temperatures, flow velocities and at various catalyst development conditions. It was obtained that the reaction rate increases with the temperature due to the enhancement of activation of the catalyst and the increases of solubility of hydrogen gas in methyl formate. It increases also at higher flow velocity for the higher diffusion effect. The reaction rate showed little dependence on the catalyst thickness under the present experimental condition for the catalyst thickness ranging from 64 to 70μm.

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At present, the operation structures and technical developments of coastwise Liners are facing a turning point.
Since early 1997, the modernization of ship machinery system of a 499gross tonnage coastwise steel-cargo vessel is designed by the Modernization Committee of Coastwise Vessels and subsidized by the Ship and Ocean Foundation.
As design concepts of the modernization, modular fabricated machinery units, an integrated automatic control system of engine room machinery at the bridge and an inverter control system of sea water cooling pump, Brainless measures, a combined use electric generator for the bow-thruster are mainly adopted.
Effectiveness of this modernization project is surveyed during the verification test from February 1997 to March 1998.
As a result, modular fabrication contributed to reduce the construction period and cost, the Brainless measures contributed to reduce the workload and cleaning time for the engine crews, and the inverter system saved the total electric consumption.
This verification test apparently proposes for considerations of the modernization for the coastwise vessels from financial, technological and workload points of view.

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