FIELD: shipbuilding.
SUBSTANCE: invention relates to shipbuilding, namely to several versions of inflatable boat structures with outboard engines. Inflatable motor boat comprises a U-shaped body in a plan with an open contour of inflatable boards and a nose part, an inflatable bottom attached to the body and divided into at least three longitudinal segments. In the middle segment of the bottom there is a longitudinal tunnel. In the first version, the inner surface of the longitudinal tunnel of the boat has a substantially arc-like shape, and the tunnel includes an additional section in the vertical section of the wedge-like shape with an angle of inclination to the plane of the water surface. In the second version, the ship longitudinal tunnel includes a section in vertical section of wedge-like shape. Bottom rear end adjacent to tunnel is inclined and makes angle to surface water plane. In the third version, at least two water channels of variable depth are made in the inflatable bottom of the boat in continuation of the longitudinal tunnel.
EFFECT: achieving high efficiency in operation of a boat at small and super low depths at different speeds.
19 cl, 18 dwg
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