The cathedral hull design uses a center V-type hull with smaller V-shaped sponges on each side, providing stability and flotation. It is used on fishing, recreational, and deck boats, and is good for traversing shallow water and skiing, but can be rough in choppy water.
A cathedral hull is a type of ship’s hull design used on a variety of ships of different sizes. Resembling a series of three interlocking V-shaped helmets, it is for this reason that the cathedral helmet is often called the three-helmet design. The design actually uses a center V-type hull with a smaller V or sponge located on each side of the center V hull. This hull design provides a very stable platform for the boat and uses the air trapped between the outer sponges and the inner hull to help the boat climb into the plane or flatten out on the water once the boat reaches running speed. cruise. The hull has been used with great success on many types of boats, and although stable and stable, this design has been known to move hard in rough water, creating bumps and rubbing over the bow.
By using a design that essentially places three hulls in a series without taking up additional space, the cathedral hull is a stable platform for fishing and recreational boats alike. Often used in the manufacture of deck boats, flat deck boats are used to carry many passengers and allow them to rest and walk on the deck. This hull provides stability for the boat even when passengers stand on the edge of the deck. Sponge-like outer hulls provide a superior level of flotation and support compared to other hull designs.
The cathedral hull is a unique hull made to function as a double outrigger canoe. By placing a small hull on either side of a larger hull, the design places a support hull in position to prevent tipping and spinning in semi-rough water. The disadvantage of this hull design is that the hull rides very high in the water and creates a rough water slapping effect as the hull hits the crest of the waves. This slapping action also creates a large amount of spray over the bow of the ship, effectively drenching all passengers on board.
The cathedral hull’s ability to ride over waves, while not a benefit in rough water, often complements the hull’s ability to traverse shallow water with little effort. Similar to a flat-bottomed hull design, this type of hull can float in very shallow water, making the hull a superior design for river craft. The cathedral hull’s tendency to easily go up by plane makes it a good choice for a ski boat.
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