Leaking sail
A leak sail (in maritime shipping ) or a leak dress (in inland shipping ) is a large cloth that can be used to temporarily seal a leak in the outer skin of a ship.
details
A leak sail is a 10 × 15 m large cloth made of particularly thick, waterproof and tear-resistant canvas or tarpaulin . The cloth has numerous tear-resistant eyelets on the outer edges . If there is a leak in the ship - for example due to massive grounding - the leaking sail is lowered into the water at the bow of the ship with the help of four lines (two in front and two in the back), and from the bow of the ship - depending on the size of the leak - by the crew or by the hydraulic jack of the windlass pulled under the hull of the vessel through the leak. When used professionally, the leak is closed at least so far that the existing pump capacity is sufficient to prevent the water from rising further in the ship's interior, or the water that has penetrated can be pumped out and the next port (the next shipyard ) can be headed for. The leak screen can also be viewed as a leak sail, which is inserted through the leak from the inside like an umbrella and then unfolded.
literature
- Hubertus Bartmann: Water rescue: water and hydraulic engineering. Tactics - technology - flood. Ecomed-Storck, Landsberg 2006, ISBN 3-609-68771-1 , p. 241 ff.