SMALL SHIP HULL Russian patent published in 2020 - IPC B63B5/00 B63B1/18 

FIELD: shipbuilding.

SUBSTANCE: invention relates to small-size floating vessels, namely, to hull structure. Housing of small-sized ship from sheet material consists of bottom, transom plate, apron, benches and longitudinal volume elements filled with foamed material and forming beads. Housing is a combination of catamaran and flat-bottom structure. Longitudinal volume elements are a catamaran structure of the body and are formed by external and internal beads, right and left transoms, right and left gunwales and left and right bottom elements, which have a non-zero narrowing towards the nose part. Lengthwise volume elements have bend downwards in their rear part. Longitudinal volume elements are located at the design angle to the plane of symmetry of the boat, thus creating the specified positive onboard collapse. Outer boards have design positive convergence in nose part in top / bottom view, and two parts of catamaran structure are connected to each other by means of flat-bottom structure of housing, which includes bottom, frames and transom plate. Transom plate is made at inner design angle to plane of boat vertical axis, wherein angle between flat-bottom structure bottom plane and outer right and left boards plane is keel angle.

EFFECT: achieving safety, low sediment and high stability, as well as high heading stability.

3 cl, 5 dwg