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Bilge Keel vs Twin Keel


Richard A. Miller
 


Twin Keel Type: Has no center keel. Ballast is carried within prominent twin keels. May have either single or twin rudders.

Bilge Keel Type: Has a center keel that carries most of the ballast. Bilge keels long and shoal. Single rudder. 

The Willard hull necessarily is a bilge keel type installation.