R

125 Results
  • Ro-ro cargo securing equipment

    Trailer trestles, support jacks, speedlash, wheel chocks.

  • Ro-ro cargo spaces

    Spaces not normally subdivided in any way and extending to either a substantial length or the entire length of...

  • Ro-ro carrier SPAARNERBORG

    Built by Flender Werft at Lubeck, the 12,500dwt SPAARNERBORG is an innovative ro-roship; designed to carry paper...

  • Ro-ro freighter TOR MAGNOLIA

    TOR MAGNOLIA and its sisters were built by the German shipyard Flensburger Schiffbau-Gesellschaft for the Danish...

  • Ro-ro passenger ship

    A passenger ship with ro-ro cargo spaces or special category spaces, (SOLAS).

  • Rotary bow rudder system

    The rotary bow rudder system is based on the principle of the Magnus Effect. A differential pressure is generated...

  • Rotary pump

    A positive displacement pump. For each revolution of the pump, a fixed volume of fluid is moved regardless of the...

  • Rotary table

    A large casting located centrally within the drill floor used to impart rotary motion to the drill string, being...

  • Royal Institution of Naval Architects (RINA)

    The British association founded in 1860 to promote the improvement of ships and everything that relates to them...

  • Rudder

    A device used for steering and manoeuvring a vessel. Rudders are hydrofoils which are pivoting on a vertical axis...

  • Rudder actuator

    A hydraulic cylinder or a hydraulic motor which directly converts hydraulic pressure into mechanical action to...

  • Rudder angle indicator

    A device used to indicate the present position of the rudder blade, usually fitted in thewheelhouse, bridge wings...

  • Rudder blade

    The main part of the rudder which provides the necessary surface for the impinging action and side pressure of...

  • Rudder blade area

    There are no regulation for the rating of the rudder area and very often crude empirical methods such as percentage...

  • Rudder carrier

    A fitting placed inboard (on the steering gear deck) which carries the whole weight of the rudder and the tiller...

  • Rudder horn

    A welded construction or a casting providing support for the rudder blade and minimises the bending moment in the...

  • Rudder propeller

    Rudder propellers are azimuthing ducted or free-running propellers in a fixed or hinged vertical position. They...

  • Rudder roll stabilisation

    An adaptive control system that uses the existing steering gear and rudder.

  • Rudder sole cavitation

    If the rudder blade has a sharp corner at the front lower edge, the flow cannot follow the sharp bend from the...

  • Rudder stop

    A lag on the stern frame or a bracket on deck at each side of the quadrant, to limit the swing of the rudder to...

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