New G80ME-C9.2 main engine
Leading engine manufacturer MAN Diesel & Turbo is currently involved in several VLCC projects, which involve its new G80ME-C9.2 main engine.
VLCCs were originally the primary target behind the introduction of the new prime mover, MAN said.
The shipping industry is currently debating whether or not VLCC service speed should be reduced to 13 knots from the existing 15 to 15.5 knots, a scenario which the G80 is tailor-made to meet, the company claimed.
Ole Grøne, MAN’s senior vice president low-speed promotion & sales said: “We are delighted with the market response to the G-type. We viewed its introduction as both viable and timely and are pleased that the market has seen fit to back this up.”
The G-type programme was introduced to the market in October 2010 with the G80ME-C9 model. MAN subsequently expanded the ultra-long-stroke programme in May 2011 with the addition of G70ME-C9, G60ME-C9 and G50ME-B9 models.
The G-types have designs that follow the principles of the large-bore Mk-9 engine series that the company introduced in 2006. Their longer stroke reduces engine speed, thereby paving the way for ship designs with unprecedented high-efficiency, MAN said.
Tankers have traditionally used MAN B&W S-type engines with their long stroke and low engine-speed as prime-movers.
Following efficiency optimisation trends in the market, MAN has also thoroughly evaluated the possibility of using even larger propellers and thereby engines with even lower speeds for the propulsion of tankers and other large vessels, the company said.
Source: MAN B&W
