Gigantic MAN Engines for Gigantic Containerships

MaritimePropulsion.com
Tuesday, July 02, 2013
Graphical rendering of the S90ME-C10.2 engine: Image courtesy of MAN

MAN Diesel & Turbo introduce the largest & most powerfuj 2-stroke marine diesel engines it has ever manufactured.

The company reports that the drawing delivery time for the S90ME-C10.2 and G95ME-C9.2 is, respectively, 2–4 months and 9–11 months after placing a firm order, facilitating the consideration of the engines for projects currently in planning stages.


The S90ME-C9.2 can be made available from 72-84 rpm, that is, the layout diagram of the S90ME-C9.2 can be extended from the current L3-L4 speed of 76 rpm down to 72 rpm if so required for projects. This extension of the layout diagram requires no change to the S90ME-C9.2 basic engine design.


The S90ME-C10.2 is similar to the well-known S90ME-C9.2 in that all outline dimensions are identical, including footprints. Any design differences are related to the increase in the mean effective pressure, leading to modifications of the crankshaft journal bearing design and web thickness, and including an adaptive modification to the connecting rod. Minor differences in the size and number of, for instance, turbochargers and hydraulic pumps for the Hydraulic Power Supply (HPS) follow normal power/rpm output rules.



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