Wellcraft 180 Sportsman, Owner'S Manual

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Rope Locker: A locker, usually located in the bow of a
boat, used for stowing the anchor line or chain.
Rubrail: Railing (often rubber or hard plastic) that runs
along the boat’s sheer to protect the hull when coming
alongside docks, piers, or other boats.
Rudder: A moveable flat surface that is attached
vertically at or near the stern for steering.
S
ea anchor: An anchor that does not touch the
bottom. Provides drag to hold the bow in the most
favorable position in heavy seas.
Scupper: An opening in the hull side or transom of the
boat through which water on deck or in the cockpit is
drained overboard.
Seacock: Safety valves installed just inside the thru-hull
fittings and ahead of the piping or hose running from
the fittings.
Shaft Log: Pipe through which the propeller shaft
passes.
Sheer: The uppermost edge of the hull.
Sling: A strap which will hold the boat securely while
being lifted, lowered, or carried.
Slip: A boat's berth between two pilings or piers.
Sole: The deck of a cockpit or interior cabin.
Spring Line: A line that leads from the bow aft or from
the stern forward to prevent the boat from moving
ahead or astern.
Starboard: The right side of a boat when facing the
bow.
Steerageway: Sufficient speed to keep the boat
responding to the rudder or drive unit.
Stem: The vertical portion of the hull at the bow.
Stern: The rear end of a boat.
Stow: To pack away neatly.
Stringer: Longitudinal members fastened inside the hull
for additional structural strength.
Strut: Mounted to the hull which supports the propeller
shaft in place.
Strut Bearing: See “cutlass bearing.”
Stuffing Box: Prevents water from entering at the
point where the propeller shaft passes through the shaft
log.
Superstructure: Something built above the main deck
level.
Swamps: When a boat fills with water from over the
side.
Swimming Ladder: Much the same as the boarding
ladder except that it extends down into the water.
T
affrail: Rail around the rear of the cockpit.
Thru-hull: A fitting used to pass fluids (usually water)
through the hull surface, either above or below the
waterline.
Topsides: The side skin of a boat between the
waterline or chine and deck.
Transom: A flat stern at right angles to the keel.
Travel Lift: A machine used at boat yards to hoist
boats out of and back into the water.
Trim: Refers to the boat's angle or the way it is
balanced.
Trough: The area of water between the crests of waves
and parallel to them.
Twin-Screw Craft: A boat with two propellers on two
separate shafts.
U
nderway: When a boat moves through the water.
W
ake: Disrupted water that a boat leaves astern as
a result of its motion.
Wash: The flow of water that results from the action of
the propeller or propellers.
Waterline: The plane of a boat where the surface of
the water touches the hull when it is afloat on even keel.
Watertight Bulkhead: Bulkheads secured so tightly so
as not to let water pass.
Wharf: A structure generally parallel to the shore.
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