ROTC - Chp 3 ( Seamanship)

Marlinespike Seamanship

the art of handling and working all kinds of fiber and wire rope. It includes every variety of knotting, splicing, serving, and fancy work

Rope

manufactured from wire, fiber, and combinations of the two.

small stuff.

1 1/2 inches or less in circumference

Knots

Is where the rope is tied back on itself, or where it is tied in one end only, such as a stopper knot

bowline

ood knot with many uses. It is used whenever a loop is needed, such as in making a temporary eye in a mooring line.

square knot

also called the reef knot, is the best known knot for bending two lines together

becket bend

especially good for bending together two lines of different sizes.

Ring or Spar Hitch

is used to secure a line to a hook,

rolling hitch

one of the most useful and important hitches on deck.

Eye Splice

To make an eye splice with manila or synthetic lines, you must untwist the strands in the end of your line anywhere from 4 inches to 2 feet,

Short Splice

Lines are short spliced together when a slight enlargement of the diameter of the line is of no importance.

Slings

made of pieces of line, with their own ends short spliced together.

Right Regular Lay

Wires in the strands are twisted to the left; strands in the rope are twisted to the right.

Left Regular Lay

Wires in the strands are twisted to the right; strands are twisted to the left

Right Lang Lay

Both wires in the strands and strands in the rope are twisted to the right.

Left Lang Lay

Both wires in the strands and strands in the rope are twisted to the left.

Reverse Lay:

the wires in one strand are laid to the right, the wires in the nearby strand are laid to the left, the wires in the next strand are to the right, and so forth, with alternate directions from one strand to the other.

rigging

large part of deck seamanship

GROUND TACKLES

are all equipment used in anchoring and mooring with anchors and buoy mooring with chain and appendages.

Stockless Anchor

Three designs of stockless anchors are in use on naval ships: commercial, standard Navy, and the Mark 2.

Lightweight Anchor

Two types of lightweight anchors are used on Navy ships: the Mk 2 LWT and the wedge block LWT anchor.

Stock Anchor

Old-fashioned, or stock, anchors have been abandoned by large merchant and Navy ships because they are extremely cumbersome and difficult to stow.

Mushroom Anchor

Mushroom anchors are shaped like a mushroom with a long narrow stem serving as the shank.

Windlasses

installed on board ships primarily for handling and securing the anchor and chain used for anchoring the ship and for handling anchor chain used for towing the ship.

painting

protection of metal surfaces is the chief objectives of painting done aboard ship. Paints and varnishes are also used to decorate surfaces.