BOWTHRUSTER

Bow thruster

A bow thruster or stern thruster is a transversal propulsion device built into, or mounted to, either the bow or stern, of a ship or boat, to make it more manoeuvrable. Bow thrusters make docking easier, since they allow the captain to turn the vessel to port or starboard side, without using the main propulsion mechanism which requires some forward motion for turning; indeed, the effectiveness of a thruster is curtailed by any forward motion due to the Coandă effect. A stern thruster is of the same principle, fitted at the stern. Large ships might have multiple bow thrusters and stern thrusters.

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bow thruster

Noun

  1. a propulsion unit mounted in or on the bow of a vehicle
  2. a sideways pointing thruster mounted in a tunnel in the bow or under the bow in a pod, for increased maneuverability
  3. a fixed or adjustable direction propeller unit mounted on the bow of an airship for increased maneuverability


The above text is a snippet from Wiktionary: bow thruster
and as such is available under the Creative Commons Attribution/Share-Alike License.

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