Smaller powered boat used to provide steerage-way when not under sail.

Category:Sea Words

Slang name for the Q Flag. Also an old term for yellow fever.

Category:Sea Words

A man employed in a vessel of war to take charge of a storeroom; as, boatswain's yeoman the man that has charge of the stores, of rigging, etc.

Category:Sea Words

YGS

Year of Grace Survey

Category:Abbreviations

Evidence of plastic deformation in structural materials. Also called plastic flow or creep. See also flow.

The first stress in a material, usually less than the maximum attainable stress, at which an increase in strain occurs without an increase in stress. Only certain metals - those that exhibit a localized, heterogeneous type of transition from elastic defor ...

The stress at which a material exhibits a specified deviation from proportionality of stress and strain. An onset of 0.2% is used for many metals.

The stress level in a material at or above the yield strength but below the ultimate strength, i.e., a stress in the plastic range.

A piece of wood placed across the head of a boat's rudder, with a rope attached to each end, by which the boat is steered.

Category:Sea Words

The portion of a safety/relief valve that surrounds the spring. The spring housing.

Category:Sea Words

York-Antwerp Rules 1950 Rules to settle General Average claims. Their use is normally stipulated in the B/L or C/P.

Established the standard basis for adjusting general average and stated the rules for adjusting claims.

Category:Sea Words

YR

Your

Category:Abbreviations

YRS

Years

Category:Abbreviations

An octagonal shaped shelter that originated in Mongolia, and traditionally made from leather or canvas for easy transportation.

Category:Energy Terms