Watercraft such as ship and boat has float arrangement that is connected with drive system, and payload or utilizable device which is arranged completely below water line at maximum permissible depth with additional load

摘要

The watercraft (1) has a torso portion (2) that is connected with a support arrangement (3) which is located on a float arrangement (4). The intersect portions (6,7) are extended in travel direction and are provided with an unbalanced float portion (8). The float arrangement is connected with a drive system. A payload or utilizable device (N) is arranged partially below a water line (W) at minimum permissible depth without additional load in operation state. The payload or utilizable device is arranged completely below the water line at maximum permissible depth with additional load.