side bar keel
1side-bar keel — noun : a bar keel formed in three thicknesses …
2Keel — In boats and ships, keel can refer to either of two parts: a structural element, or a hydrodynamic element. These parts overlap. As the laying down of the keel is the initial step in construction of a ship, the construction is dated from this… …
3КИЛЬ СЛОЙЧАТЫЙ — (Side bar keel) киль, состоящий из трех стальных полос, средняя из которых образует внутри судна вертикальную продольную связь. В современном судостроении не применяется. Самойлов К. И. Морской словарь. М. Л.: Государственное Военно морское… …
4Glossary of nautical terms — This is a glossary of nautical terms; some remain current, many date from the 17th 19th century. See also Wiktionary s nautical terms, Category:Nautical terms, and Nautical metaphors in English. Contents: A B C D E F G H I J K L M N O P Q R …
5Powered hang glider — A foot launched powered hang glider (FLPHG), also called powered harness, nanolight or hangmotor, is a powered hang glider harness with a motor and propeller in pusher configuration. An ordinary hang glider is used for its wing and control frame …
6Ultralight trike — An ultralight trike, also known as a flex wing trike, weight shift control aircraft, microlight trike, deltatrike[1] or motorized deltaplane,[2] is a type of powered hang glider using a high performance Rogallo wing coupled to a propeller powered …
7Glossary of rowing terms — In competitive rowing, the following specialized terms are important in the corresponding aspects of the sport: Boat Classes In competitive rowing events, abbreviations are used for different boat classes.;Weight: *L or Lt:Lightweight rowing *If… …
8Galaxy — This article is about the astronomical structure. For other uses, see Galaxy (disambiguation). NGC 4414, a typical spiral galaxy in the constellation Coma Berenices, is about 55,000 light years in diameter and approximately 60 million light… …
9Sailing — is the art of controlling a sailing vessel. By changing the rigging, rudder and dagger or centre board, a sailor manages the force of the wind on the sails in order to change the direction and speed of a boat. Mastery of the skill requires… …
10naval ship — Introduction the chief instrument by which a nation extends its military power onto the seas. Warships protect the movement over water of military forces to coastal areas where they may be landed and used against enemy forces; warships… …