Japan-based Tokai Kisen is to receive a new cargo-passenger ship, Tachibana-Maru, from Mitsubishi Heavy Industries’ (MHI) Shimonoseki Shipyard and Machinery Works.
The new 5,681t, 118.0m-long super eco-ship is is scheduled to enter into service on 27 June on the route between Tokyo and the Izu Islands.
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The cargo-passenger ship is capable of cruising at a service speed of 19.0k an hour, and is equipped with a MHI-developed tandem-hybrid contra-rotating propeller (CRP) propulsion system to achieve 15.6% higher fuel efficiency.
The CRP propulsion system comprises single-shaft propulsion propellers driven by low-speed marine diesel engine and electric-drive azimuth propulsion propellers.
The system enables fewer appendages for propulsion systems, such as skegs, shaft brackets and rudders, and decreases water resistance.
It also allows the sole use of fuel-efficient low-speed diesel power in bays and channels where slower navigation speeds are required, thereby improving energy-saving efficiency.
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By GlobalDataTachibana-Maru is also fitted with an electronically controlled fuel injection system to ensure lower emissions of carbon dioxide (CO2) and nitrogen oxides (NOx), and is equipped with a system that uses exhaust gas thermal energy more efficiently.
The company is currently focused on building eco-ships with enhanced energy-saving and environmental performance capability.
Additionally, MHI aims to continue development of various echo-ship related technologies as well as boost its proposal-based marketing activities in the sector.
Image: Tachibana-Maru ship features a fresh new colour scheme of yellow ocher and olive green, designed by Ryohei Yanagihara. Photo: courtesy of Mitsubishi Heavy Industries, LTD.
