Tiara Yachts C49, Руководство пользователя

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Appendix A Glossary of Terms
A-4
Reverse Gear:
Changes the direction of rotation
of the propeller to provide thrust in the opposite
direction for stopping the boat or giving it stern-
way.
Roll:
A boat’s sideways rotational motion in rough
water.
Rope Locker:
See anchor locker.
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 movable 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.
Stern line
: a line that leads aft from the stern of
the 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 sur-
face of the water touches the hull when it is afloat
on even keel.