Every pound at the top of the 100-ft. mast requires an extra 10 pounds of keel bulb weight (see "") to keep the boat upright. 5 ... 11 -- Retractable daggerboards Prevent leeway (sideslipping) ...

A boat's history affects it's value—check the history of this 1976 Catalina Yachts and avoid buying a previously damaged boat. Check for storm damage, accidents, loss, theft, registration history and ...

Seaward Brand Yachts, - “The Leader in Retractable Keel Sailboats” - is Acquired by Indianapolis Businessman. February 12, 2009 05:44 PM Eastern Standard Time.