1 See the STLFSI Key for a list of data series used in the index. For more details on the construction of the STLFSI, see the appendix to the January 2010 issue of the St. Louis Fedâs National Economic Trends. Newsroom: St. Louis Fed Financial Stress Index.
The hull of a boat consists of an internal network of frames that extend from side to side (transverse) and that run the length of the boat (longitudinal), covered by an outer shell plating, usually made of fiberglass or metal.
Generally, a rudder is part of the steering apparatus of a boat or ship that is fastened outside the hull, that is denoting all different types of oars, paddles, and rudders. More specifically, the steering gear of ancient vessels can be classified into side-rudders and stern-mounted rudders, depending on their location on the ship.