| 摘要 |
The invention in question concerns a hull for motor boats with two guide tunnels for the propellers arranged symmetrically with respect to the keel and each consisting of a longitudinal hollow with an arched top. The hull is characterised by the fact that each guide tunnel has an inlet area that, reducing in width at the base towards the stern, increases in depth until it merges with an area with constant transverse configuration in which the propeller is located. The cross-sectional area of the tunnel remains essentially constant at the stern of an area connecting at the front with the remainder of the hull. <IMAGE> |
