FIELD: floating facilities.
SUBSTANCE: boat with two propellers for air pressure generation, note here that horizontal impeller is used as main propulsor in compressor mode to create air jet coming out of impeller nozzle towards closed pneumatic duct with rectangular bottom. Invention covers the rectangular closed pneumatic duct. Second annular jet propeller is fixed on top of the stern platform, which is located outside its fore part from above at an angle to the horizon with the possibility of air injection by the noiseless propeller. Invention covers also the propulsor body that additionally comprises rotor with radial blower arranged at its free end. Annular disc is rigidly connected with additional disc of smaller diameter. Drive shaft is hollow. Rotor is placed inside the drive shaft of the disc of a smaller diameter with possibility of its rotation in the direction opposite to the side of the shaft rotation. At that, additional disc of smaller diameter is made with oval surface, and annular gap between annular disc and additional disc arranged under it is made with decreasing cross-section with distance from axis of symmetry.
EFFECT: improved running and operational characteristics of the boat.
1 cl, 6 dwg
