MAN Diesel & Turbo – ME-GI Reference List adds largest Ethane Carriers ever constructed

Marine Equipment Products and Services, Shipbuilding and Shipyards, Technical, Technology — By on February 16, 2016 at 2:46 PM

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ME-GI Reference List Adds Largest Ethane Carriers Ever Constructed

JHW orders multiple VLECs featuring MAN Diesel & Turbo propulsion package

JHW has ordered 5 × 85, 000 m3 Very Large Ethane Carriers (VLECs) for a JACCAR/Hartmann Reederei joint venture, called UEC (United Ethane Carriers); each vessel will be powered by a single MAN B&W 6G60ME-GI main engine. Dalian Shipbuilding Industry Offshore Co. Ltd. (DSIC) will construct the vessels in China, while Hyundai Heavy Industries (HHI) will build the engines in Korea. Delivery of the first carrier is scheduled for the middle of 2017.

Captain Ulrich Adami, Fleet Manager of Hartmann Schiffahrts GmbH & Co. KG, said: “The ME-GI engine appealed to us for several reasons, not least its environmental credentials with negligible slip of gas fuel, and its robust, stable combustion properties – even in heavy seas. We also viewed its high fuel efficiency and its flexibility of being able to run on HFO or ethane as pluses when it came to selecting main engines for our newbuildings.”

The engines will meet Tier III emission requirements with the aid of MAN
Diesel & Turbo’s EGR (Exhaust Gas Recirculation) technique. They will
feature an injection pressure of 400 bar and form the main part of a propulsion
system that also features a MAN Diesel & Turbo Alpha controllable pitch
propeller

The ME-GI engines will drive VBS1810 propellers, which are the largest Mk 5
models (diameter 7.6 m) ordered from MAN Diesel & Turbo’s propeller
portfolio to date. To maximise efficiency, the propeller plant employs propeller
blades of Kappel design, as well as a fairing cone/rudder bulb system. MAN
Diesel & Turbo is also providing each vessel’s shaft-alternator system.
Upon construction, the vessels will be the largest ethane carriers ever
constructed. MAN Diesel & Turbo also reports that it currently has eight
ethane engines on order. The JHW order stems from a letter of intent signed
by Hartmann Schiffahrts Gmbh & Co. KG, Jaccar Holdings, HB Hunte
Engineering and DNV GL at the SMM 2014 trade fair.

New venture

The newbuilding ethane carriers form the basis for United Ethane Carriers, a
new ethane venture that the Hartmann Group is developing with Jaccar
Holdings of Luxemburg for which long-term charters have already been
secured.

The vessels will also feature another world-first in the form of their innovative
‘Star-Trilobe’ tanks that consist of three cylinders combined into one. Due to
better utilisation of the space in the cargo holds, this results in higher
efficiency and allows an increase in cargo capacity of nearly 30% over
similarly-sized vessels with conventional tanks, reducing shipping costs
through greater economies of scale.

About the ME-GI engine
The ME-GI engine represents the culmination of many years’ work.
Depending on relative price and availability, as well as environmental
considerations, the ME-GI engine gives shipowners and operators the option
of using either HFO or gas – predominantly natural gas. MAN Diesel & Turbo
has also developed an ME-LGI version of the new technology that is capable
of operating on methanol, and is currently developing an ME-LGI version
capable of running on LPG.

MAN Diesel & Turbo sees significant opportunities arising for gas-fuelled
tonnage as fuel prices rise and modern exhaust-emission limits tighten.
Indeed, research indicates that the ME-GI engine delivers significant
reductions in CO2, NOx and SOx emissions. Furthermore, the ME-GI engine
has no methane slip and is therefore the most environmentally friendly
technology available. Ultimately, the ME-GI engine represents a highly
efficient, flexible propulsion-plant solution.

About MAN Diesel & Turbo
MAN Diesel & Turbo SE, based in Augsburg, Germany, is the world’s leading provider of large-bore diesel and gas engines and turbomachinery. The company employs around 15, 000 staff at more than 100 international sites, primarily in Germany, Denmark, France, Switzerland, the Czech Republic, India and China. The company’s product portfolio includes two-stroke and four-stroke engines for marine and stationary applications, turbochargers and propellers as well as gas and steam turbines, compressors and chemical reactors. The range of services and supplies is rounded off by complete solutions like ship propulsion systems, engine-based power plants and turbomachinery trains for the oil & gas as well as the process industries. Customers receive worldwide after-sales services marketed under the MAN PrimeServ brand.

The picture at the top is that of the Eco Star 85K Very Large Ethane Carrier with its overall length of 231.60 m; maximum breadth of 36.60 m; maximum deadweight of 50, 000 mt; and scantling draught of 12.30 m (image courtesy Hartmann)

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