INFLATABLE POWER-DRIVEN BOAT Russian patent published in 2003 - IPC

FIELD: shipbuilding; construction of inflatable power-driven pleasure boats. SUBSTANCE: proposed inflatable power-driven boat has U-shaped hull formed by inflatable balloons with taper stern parts secured to said balloons by means of fabric bottom, rigid transom and transversal rigid members of plating under which inflatable keel of varying diameter is located; keel secured to fabric bottom ensures dead-rise at maximum point equal to 1/3 of height of balloons. Vertices of cones of aft portion of said balloons are shifted downward. EFFECT: enhanced seaworthiness. 3 cl, 4 dwg