Large-bore G-engine passes shop trials

06 Feb 2013
The 7G80ME-C9.2 engine on the test bed in Korea

The 7G80ME-C9.2 engine on the test bed in Korea

Hyundai group company and MAN licensee HHI-EMD has reported that the first MAN B&W 7G80ME-C9.2 passed its official shop test in Korea.

According to HHI, the test proceeded successfully as expected, with the help of MAN Diesel & Turbo engineers. The engine was started for the first time on 10 January, followed by shop tests and overhaul inspection.

This first engine will power a VLCC newbuild ordered from Daewoo by Almi Tankers of Greece, which is due to begin sea trials in April 2013 for delivery in May of this year with sea trials taking place in April. This is the first of two sister ships, the second being scheduled for delivery in December 2013.

The ultra-long-stroke G-type engine runs at a lower speed, enabling the use of larger propellers and consequently significant gains in efficiency are predicted. Together with the higher thermal efficiency of the latest generation of engines, and adapted aft hull design to take advantage of the larger propeller, potential fuel savings of 4% to 7% are expected, with similar benefits in emissions.

Ole Grøne, MAN senior vice president low-speed promotion & sales, says that there are currently about 100 G-type engines of varying sizes on order.

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