eWAVE piston rings

2 stroke engine, with conventional flat piston rings, cylinder oil distribution is uneven; only 10% cylinder lubricating oil makes it to the rubbing surface between liner and rings, 30-40% oil goes to exhaust and 30-40% oil is scrapped down. As pressure in the cyliner rises the piston ring presses hard to the liner surface, therefore to […]

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Selection of right fasteners

In many cases fastener failure has caused severe accidents on ships; causing fire, flooding and even loss of life. On board, general fasteners shouldn’t be used in machineries, when overhauling a machinery, sometimes it is necessary to replace fasteners like, bolts, nuts and screws; however in urgency or due to ignorance it is not checked whether […]

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Care of lub oil

Lub oil is blood of the machinery; most valuable, so it requires utmost care. This is the only fluid in the machinery which needs to be supplied before starting without fail, rest all fluid, water, fuel etc, can be supplied once machinery started. Common problem of lub oil is contamination, it can be water, fuel, […]

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Oil mist detector – a boon for engine and life on board

The development of oil mist detector started way back in 1947 after crankcase explosion onboard the “ Reina del Pacifico” causing 28 deaths. As a result, first oil mist detector was marketed in 1960’s. In Nov 2010, there was a crankcase explosion and subsequent fire on board Carnival Splendor, the estimated cost of repairs, loss in revenue and […]

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Engine failure during manoeuvering

Causes and emergency preparedness. There are several incidents of main engine failure during vessel movement in or out of harbour or in narrow channels, nevertheless this is the time where engine reliability is required most. On the basis of experience and reports we have summarised various causes of engine failure and required emergency preparedness to counteract this situation. STATISTICS – […]

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2 Stage Turbocharging – passes first test

MAN Diesel & Turbo’s innovative two-stage turbocharging concept “The ECO CHARGE” – passes the first test and we can expect the two-staged turbocharging system to hit the market soon. The two-stage turbocharging system is currently being tested on MAN 12V35/44 gas engine on a test bed at its Augsburg, Germany workshop.  The “ECO CHARGE” system […]

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