Monohull with rear stabilisers for high speed ship

Details Monohull with rear stabilisers for high speed ship Monohull with rear stabilisers for high speed ship

B - Operations, Transporting

63

B

B63B 1/12 (2006.01)

Patent

CA 2297263

The invention concerns the technical field of shipbuilding, more particularly the construction of ship hulls; it concerns a monohull with rear stabilisers, also called pseudo-trimaran, of a high speed ship, comprising a central float (1) and two shorter lateral floats (2), located towards the rear of the central float and linked thereto by streamlined linking arms (5). The invention is characterised in that the hulls of the three floats (1, 2) are always partially immersed whatever the speed, the hull of the lateral floats (2) comprising adjustable immersed fin keels (3) and the coefficient of fineness of the three underwater hulls is between 0.25 and 0.35, with a length over width ratio between 12 and 20 and the ratio of the central hull length over the lateral hull length between 2.5 and 4.5.

Le secteur technique de l'invention est domaine de la construction navale, plus particulièrement de la fabrication des coques de navire. Une monocoque à stabilisateurs arrière on dite encore pseudotrimaran, de navire à grande vitesse comporte un flotteur central (1) et deux flotteurs latéraux (2) de longueur plus courte, situés vers l'arrière du flotteur central (1) et reliés à celui-ci par des bras de liaison (5) carénés; suivant l'invention les carènes des trois flotteurs (1, 2) sont toujours en partie immergées quelle que soit la vitesse, celle des flotteurs latéraux (2) comportent des ailerons immergés orientables (3) et le coefficient de finesse des trois carènes est compris entre 0,25 et 0,35, avec un rapport de leur longueur sur leur largeur compris entre 12 et 20 et un rapport de longueur de la carène centrale sur la longueur des carènes latérales entre 2,5 et 4,5.

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