Covered tunnels within a ship through which the tail shafts pass.

The power required at the compressor drive shaft. Losses in external transmissions such as gears and belt drives are not included.

A heavy longitudinal timber placed over the keel in a ship's stern through which the propeller shaft passes.

Devices that may be used to position the impeller or to protect the shaft.

The dimensionless number obtained when the difference between maximum and minimum instantaneous shaft speeds during one period is divided by the arithmetic mean of these two.

A term applied to a bracket supporting the after end of the propeller shaft and the propeller.

(1) A longitudinal crack in a mast or other spar. (2) The shivers of a sail when sailing too close to the wind. (3) As a verb, to let it out.

An order to make haste.

To remove a reef from a sail and hoist the sail aloft

A cruise of a new ship for the purpose of testing out all machinery, etc. Shank

(1) Small boat for one or two rowers. (2) Small fishing vessel with foresail, boom mainsail, and mizzen trysail.

The practice of obtaining a crew by means of force. Crews were hard to get for long voyages, and when the unwilling shipmate regained consciousness, he found himself bound for some remote port, such as Shanghai. One who is forced to do something against h ...

see Chanty.

To ascertain the proper course to be steered to make the desired point or port. Shark's mouth

To come up more into the wind

All boats are referred to as female. She is at anchor. Her sails are set. She is beautiful.

An old vessel fitted with shears, etc., and used for taking out and putting in the masts of other vessels.

A safety device, used to fasten a propeller to its shaft; it breaks when the propeller hits a solid object, thus preventing further damage.

The wheel of the block over which the fall of the block is rove.

Slanted plates fitted in dry cargo holds to prevent undesired pockets of cargo. The term is also commonly applied to slanted plates that are fitted to improved the structural stability of corrugated bulkheads and framing members.