bulb-keels
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bulb-keel — ● bulb keel, bulb keels nom masculin (anglais bulb, oignon, et keel, quille) Quille d un petit voilier, constituée par un aileron métallique mince, qui supporte à sa partie inférieure un saumon de lest de forme allongée … Encyclopédie Universelle
Bulb keel — A bulb keel is a keel, usually made with a high aspect ratio foil, that contains a ballast filled bulb at the bottom, usually teardrop shaped. The purpose of the bulb keel is to place the ballast as low as possible, therefore gaining the maximum… … Wikipedia
Nathanael Herreshoff — Nathanael Greene Herreshoff (March 18, 1848–June 2, 1938), born in Bristol, Rhode Island, was a naval architect engineer. He revolutionized yacht design, and produced a succession of undefeated sailboats for the America s Cup Race between… … Wikipedia
Keel — 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… … Wikipedia
ship — shipless, adj. shiplessly, adv. /ship/, n., v., shipped, shipping. n. 1. a vessel, esp. a large oceangoing one propelled by sails or engines. 2. Naut. a. a sailing vessel square rigged on all of three or more masts, having jibs, staysails, and a… … Universalium
Canting keel — A canting keel is a form of sailing ballast, suspended from a rigid canting strut beneath the boat, which can be swung to windward of a boat under sail, in order to counteract the heeling force of the sail. The canting keel must be able to pivot… … Wikipedia
Trailer sailer — A trailer sailer is a small yacht or large dinghy style of sailboat that is moved to sailing locations and stored on a road trailer. It is neither a Day sailer or a Pocket cruiser but may be used for either purpose depending upon design… … Wikipedia
Winged keel — A winged keel is a sailboat keel, usually of high aspect ratio, that uses a nearly horizontal foil, the wing , at the bottom to provide additional performance. The horizontal foil serves two purposes: it acts as an winglet on the foil,… … Wikipedia
sailing — /say ling/, n. 1. the activity of a person or thing that sails. 2. the departure of a ship from port: The cruise line offers sailings every other day. 3. Navig. any of various methods for determining courses and distances by means of charts or… … Universalium
Glossary 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 … Wikipedia
