A sailboat’s keel keeps the boat from being blown sideways, converting lateral forces of the wind to forward thrust. weighted keels also provide ballast low in the water to resist the heeling force of wind sideways on the sails.. A keelboat is a riverine cargo-capable working boat, or a small- to mid-sized recreational sailing yacht. the boats in the first category have shallow structural keels, and are nearly flat-bottomed and often used leeboards if forced in open water, while modern recreational keelboats have prominent fixed fin keels, and considerable draft.. The keel has two main functions: to keep the boat from being blown sideways in the wind (lateral resistance) and to hold the ballast. the ballast is a weight traditionally at the bottom of the keel that keeps the boat right-side up..
Keel definition, a central fore-and-aft structural member in the bottom of a hull, extending from the stem to the sternpost and having the floors or frames attached to it, usually at right angles: sometimes projecting from the bottom of the hull to provide stability. see more.. Most sailboats under 15 feet or so have centerboards. but there is a wide range of boats from 12 to about 25 feet with either a fixed keel or a centerboard. for example, in this photo, the boat on the left has a fixed keel, while the boat on the right, of about the same size, has a centerboard.. This video is all about sailboat keels. what are the different kinds, and how do you know which is the right one for you? this is the third in a series of videos where we'll try to give the best.
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