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Slip is considered as the difference between the speed of the engine and actual speed of the ship. It is always calculated in percentage. Positive slip is influenced by various reasons such as fouled bottom or hull part which offers resistance to the movement of the ship, environmental factors such as water current and wind […]

Specific fuel oil consumption is the measure of the mass of fuel consumed per unit time to produce per KW. The marine engine efficiency is usually determined using the SFOC. In order to achieve accuracy, the fuel consumption and power developed is always measured over a suitable time period on a good weather. The formula […]