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The Hull Truth: SeaVee Z
SeaVee's stepped-hull boats provide sure handling in a variety of sea conditions. For a complete performance report of the 390-Z, look for our test during 2014.
Case Study: Regal's FasTrac Hull
Regal was one of the first recreational boatbuilders to find a way to use a stepped hull to create speed without compromising stability. Go-fast boats have used steps (long notches that run from the outside of the hull to the keel) for decades. They're used to ventilate the hull, which simply means the step allows part of the boat to ride on a layer of air bubbles, reducing friction. In the race boats, though, it can also cause herky-jerky movements.
Where the FasTrac differs is in its retention of a mild V-shape in the aft in turns while avoiding the "coming loose" feel of some stepped hulls. It's been imitated, which is without a doubt the sincerest form of flattery in boatbuilding.