The tunnel-stern (fashioned after the belly of a sulphur-bottom whale) houses the screw, which is protected below by an extra heavy skeg, a solid metal, keel-like extension of .
Instead of a single rudder set on the keel, she has twoa main steering rudder set well aft on a long stabilizing skeg, plus a narrow "tab rudder" mounted on the unusually short .
A second innovation is her skeg, or "kicker," an extension of the keel that is supposed to cut down wave turbulence and make her faster yet.
Bob Sampson: High temperatures force anglers to change habits I was fishing at a lake I know pretty well during the first week of the fishing season last year, when the skeg and propeller discovered hidden rocks that I somehow hadn’t found in the past.
July 11, 2013 - The Norwich Bulletin