Patent ID: 8201514

Claim:
A V-bottom boat hull comprising: a bow and a stern; a waterline extending between said bow and said stern; first and second tunnels formed respectively on a port side and a starboard side of the hull, each of the first and second tunnels extending axially in a direction from said bow toward said stern and having a forward end, a center region and an aft end; first and second bow cambered foils supported respectively on the port and starboard sides of the hull at positions near said bow and beneath the water line, the first and second bow cambered foils being capable of controlling a flow within the corresponding first and second tunnels and creating a dense spray in the tunnels while cushioning shock and lifting said bow; and first and second adjustable tunnel cambered foils adjustably positioned respectively within the first and second tunnels and generating lift from a pressure being generated by the dense spray within the corresponding first and second tunnel, wherein the first tunnel is formed between the boat hull and a first hull skirt extending downwardly from the port side of the boat hull, the second tunnel is formed between the boat hull and a second hull skirt extending downwardly from the starboard side of the boat hull, and each of said first and second adjustable tunnel cambered foils is at least one of an adjustable plane mounted to a bottom of each of the first and second hull skirts, an adjustable plane arranged parallel to the waterline and mounted to a top of the first and second hull skirts and an adjustable plane mounted parallel to the port and starboard sides of the boat hull.