| 摘要 |
A marine drive system (1) with a partially submerged propeller located at the transom of a craft comprising, for each propeller (2), a shroud (20) positioned above the propeller (2), such as to define, between it and a horizontal plane surface corresponding to the ideal immersion line (9) of the propeller (2), a channel (23) extending longitudinally and having a cross-section the area of which is decreasing from the transom (30).
|
