ASES uses chains to deter piratesTaken from: Passenger Ship Technology Summer 2012
The hydraulically-operated mechanical anti ship entry system (ASES) is made up of five components and weighs 800kg-1,200kg. The system consists of a swivel boom with a chain wheel rotor head, rotationally damped, attached to the hydraulic motor shaft. By means of the contra-rotating high speed chain wheels, and the number of chains used, an almost impenetrable chain wall is produced.
The boom height can be adjusted so that the rotating chain wheels contact the surface of the sea water, producin....Please login to read the rest of this story
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