Ships with low speed engines typically use direct drive from the crankshaft to the tail…

Marine cooling systems The purpose of a cooling system is to maintain a constant temperature…

Direct supply A simple diesel fuel supply system is shown below. The fuel tank with…

Petrol fuel systems Petrol engines use similar tank and supply arrangements to the diesel but…

In best practice vessels of the 25 metres class (80 tonne) will be fitted with…

In a four stroke engine, exhaust gases flow from each cylinder into the exhaust manifold…

Turbo charging A turbo charger (sometimes called a turbo blower) can be fitted to both…

Most marine engines have several cylinders for more power and smoothness. (The cylinders are identified…

Diesel engines Timing methods vary widely in different engine designs, but all must be set…

A sequence of four operations called the work cycle must occur for engines to work:…