| 摘要 |
FIELD: transport.SUBSTANCE: ship hull aft lower section bottom, ahead of the rudder, has lengthwise ledged skewed towards the fore section and the blower air intake channel shaped to impeller. Air is fed from impeller nozzle to under the ship bottom at an angle. Said ledge is located aft lower medium part at the bottom centre to make two air channels on both sides between said ledge. Moving horizontal partition on the shaft is additionally fixed behind the impeller nozzle to extend the air channel towards skewed ledge. Rotary board is secured at horizontal shaft is secured to the bottom in the area of said ledge with air channels to abut on ledge bottom in closed state. Guides composed of ledges made up of two interconnected vertical plates are secured at outer side of ship boards. Rudder with board comprises extra second board articulated with and spring-loaded to the first board to turn in vertical plane.EFFECT: smooth start and run at low speeds, better navigability and mobility.2 cl, 8 dwg |
