1.   That should give the yacht enough torque to allow its ballasted keel bulb to swing the sailboat right-side-up again.

2.   It has been fast each time, particularly upwind as it gets a boost from the wide, long wings on its keel bulb.

3.   Young America features curved wings mounted two-thirds of the way aft on the torpedo-shaped keel bulb.

4.   Has a new bow and stern and a new keel bulb -- not to mention mast and sails.

5.   In contrast, defender boats are allowed to change anything but the keel bulb during their finals.

6.   A new keel bulb was cast and shipped to San Diego.

7.   Both boats now have eliptical keel bulbs with long, backed-angled wings flowing off the trailing edge.