R.I.N.A.Italian Naval Register: ministerial body which checks, tests and approves equipments.
RabbetCavity in the keel, stern post or right ahead to fix a first line of plating
RadarDevice to detect objects near a boat
Radar reflectorMetal polyhedral structure which amplifies the radar signal in relation to the surface of the wooden or fiberglass boat it crosses
RangeTo roll up a rope so that it can be untied fast
Rat lineStep to climb on the mast
RatingCoefficient given to a boat according to her technical features in order to compete with other boats falling in another category by compensating journey times
Reach close - verb -To approach the spinnaker pole to the stay by easing the brace
Reacher.A particular genoa used in case of close reach.
RedanStep built in the hull of planing boats to facilitate pressure distribution
ReduceTo reduce the sail surface exposed to wind by lowering the sail partially and fasting the excess part through some strop
ReefPart of a rope used to fix a sail when it is reduced
Reef pointRope inserted into the reefs to fix and reduce sails.
Reefing lineRope used to reduce the surface of a sail exposed to wind
ReefsSail sections designed to be reduced
Relative humidityValue measured by a hygrometer; it indicates the percentage of steam existing in relation to the total amount which can be contained in the air at ambient temperature ( at 100% we have condensation)
Relieving ropeMooring rope anchored on the bottom
Rhumb line, loxodromic courseA course which intersecst all meridians at the same angle.
RideTo hook sails or insert them in the specific mast locations. To insert a rope in more blocks to form a tackle
Ride to a single anchor - verb -Ray around which the boat can turn when it is moored with a single anchor
Rig out - verb -To insert a rope ring (bowline) on a bitt
RiggingEvery sheet or hoist combined with its accessories
Right aheadTerminal part of the bow, also called ‚stempost‚ /
Ring, thimble eyeMetal ring inside a splice whichs protect the rope
RoachAn arc of sail material added to the shape of the sail leech to increase its surface
RoadsteadA sheltered sea anchorage out of a harbour
Roaring FortiesStrong western winds found in the Southern Hemisphere, generally between the latitudes of 40 and 50 degrees
RollingBoat rotation around her longitudinal axis
Romeo.Term which represents ‚R‚ in the international phonetic alphabet.
RopeGeneral term referring to onboard cordage
Rope ladderRope ladder with wooden steps hung on the ship side
Rope-yarnPart of a rope made up of more rope-yarns
Round, double - verb -To roud a promontory.
Rubber boatA small boat made substantially of fabric that can be inflated with air pressure.
RudderEquipment for steering a vessel through a bar or a wheel
Rudder angle, steering angleRudder blade angle in relation to the boat axis. Its variation changes the course
Rudder bladePart of the rudder, immersed in water, which gives the boat direction
Rudder heelTerminal fore part of the bottom where the low rudder gudgeon is inserted
Rudder mole,helm portHole in the hull which the rudder shaft comes through
Rudder wheel, steering wheelWheel which, combined with tiller rods, allows to manage the rudder rotation
RunaboatSmall and fast motorboat
RungStep in the rope ladder; metal spar which keeps shrouds separated
Running on the quarterSailing with wind coming from the quarter
Running riggingGroup of ropes used to regulate