Hysucat
THE HYSUCAT DESIGN USED IN THE CENTER CONSOLE, FAST RIBS AND WATER TRANSPORT BOATS OFFERS THE BEST FEATURES OF A MONOHULL AND A CATAMARAN COMBINED. ALTHOUGH THE BOAT BEHAVES VERY MUCH LIKE A MONOHULL, IN TURNS IT IS RUNNING ON AN AIR CUSHION CAUSED BY AIR TUNNELS. AT HIGH SPEED, THE BOAT RISES OUT OF THE WATER AND RUNS MAINLY ON THE CENTER HULL. THE SIDE HULLS STABILIZE THE BOAT. THIS REDUCES THE WETTED AREA ON THE HULL, WHICH IN TURN MAKES THE CRAFT MORE EFFICIENT, FASTER AND ALLOWS THE BOAT TO RUN WITH SMALLER ENGINES THAN AN EQUIVALENT-SIZED MONOHULL.
THE BASIC PRINCIPLE BEHIND THE HYSUCAT IS AN EFFECTIVE HYDROFOIL SYSTEM IN THE TUNNEL BETWEEN TWO DEMI-HULLS. THIS CONSISTS OF A MAIN WING LOCATED IN FRONT OF THE LENGTH EMPHASIS IN KEEL HEIGHT, SUPPORTED BY TWO SMALLER WINGS IN THE TUNNEL AT THE REAR OF THE HULL, AS SHOWN IN THE DIAGRAM.
DURING VOYAGE, THE WINGS PRODUCE DYNAMIC LIFT FORCES THAT PARTLY LIFT THE CATAMARAN OUT OF THE WATER. THE TWO FLOTATION CHAMBERS RIDE LOWER IN THE WATER THAN MONOHULLS AND PRODUCE LESS RESISTANCE. DURING VOYAGE, THE HULLS TAKE OVER THE LATERAL STABILITY PRODUCTION AND SECURE THE COURSE STABILITY.
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