Quantcast APPENDIX N GLOSSARY - CONTINUED - TB-55-1900-232-100333

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TB 55-1900-232-10
Vertical padeyes are often referred to as "free- standing" padeyes.
Parceling
Wrapping a line or wire with strips of canvas
Pay out
To slack off on a line, or let it run out.
Pear-shaped link
A shackle or detachable link used to connect a small fitting or chain to a larger fitting or chain
Pelican hook
A hook which can be opened while under a strain by knocking away a locking ring which holds it closed; used to
provide an instantaneous release
Pendant (pendant rig)
A single wire or chain that leads from the apex of a towing bridle to the towline; a length of wire used as an
underrider wire in a "Christmas Tree" rig
Pitch
The vertical motion of a ship's bow or stern in a seaway about the athwartships axis. See also "sway" and "yaw."
Plate shackle
A connecting device made up of two metal plates and bolts, used to connect the towing pendant and the towline,
or to serve as a connecting unit in other parts of a towing rig
Port
The left-hand side of a ship when looking forward the opposite of "starboard."
,
Poured socket
A wire rope termination installed by pouring molten zinc over splayed wire, often referred to as "spelter socket"
Power block (transport block)
A portable, hydraulic motor-driven line sheave, providing back tension to the traction winch.
Preventer
Any line, wire, or chain whose general purpose is to act as a safeguard in case some- thing else carries away.
Preventer hawser
A hawser secured to the chain as preventer.
Prow
The part of the bow above the waerline.
t
"Pudding"
Fendering fabricated from fiber ropes
Purchase
A general term for any mechanical arrangement of blocks and tackle for multiplying force.
Quarter rollers
Rollers mounted m the forward and stern waists of a tug for mooring, beach gear, and similar evolutions.
Range up
To reduce the range between tow and tug, accompanied by the tendency for the tow to overtake the tug by
sheering out to the side.
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