DNV GL has revised its class rules for single stern tube bearing installations and introduced two new class notations, “Shaft align(1)” and “Shaft align(2)”, to help customers better manage the risk ...

The ideal solution for the tightening regulatory noose also brings a different (and welcome) shade of ‘green’ for workboat operators.As the US Environmental Protection Agency (EPA ramps up enforcement ...

Chris Leontopoulos believes the first sterntubeless ship with a Thordon seawater-lubricated propeller shaft bearing system, probably based on a SDARI design, will be ordered within the next twelve ...

When an engine produces power and clutch and transmission convert it into required torque, some assembly is needed to carry this torque to driving axle or usually to rear axle. This assembly is known ...