Pair of keels on either side of the hull, usually slanted outwards. In yachts, they allow the use of a drying mooring, the boat standing upright on the keels (and often a skeg) when the tide is out.



Related Terms

HARD CHINE

An abrupt intersection between the hull side and the hull bottom of a boat so constructed.

THOLE

A pin in the side of a boat to keep oar in place

CLEWED UP

Anchor back at the ships side on retrieval.

CARGO DOOR

Watertight door in the hull side through which cargo is loaded or discharged.

STARBOARD TACK

Sailing with the wind coming from the starboard side of the vessel. Has right of way over boats on port tack.

PORT

The left-hand side of a ship when facing forward

HERRINGBONE DECK

Opposing diagonally splayed deck planks on each side of the vessels centreline in a decorative pattern.

UNDER THE WEATHER

Serving a watch on the weather side of the ship, exposed to wind and spray.

BREADTH EXTREME

The maximum breadth including all side plating, straps, etc.

TORSIONAL VIBRATION

There are two main kinds of torsional vibration: a continuous steady form that comes from reciprocating engines and an intermittent for in that comes from large synchronous electric motors or from the driven equipment side in steel rolling mills.

Related questions

MarineProHelp 2018 - 2019.

First time here? Check out the FAQ!

×