Search results
Results from the WOW.Com Content Network
The boat enters the lock. 8–9. The boat enters the lock. 3. The lower gates are closed. 10. The upper gates are closed. 4–5. The lock is filled with water from upstream. 11–12. The lock is emptied by draining its water downstream. 6. The upper gates are opened. 13. The lower gates are opened. 7. The boat exits the lock. 14. The boat exits ...
Ship caisson at Droogdok Jan Blanken at Hellevoetsluis. A caisson is a form of lock gate.It consists of a large floating iron or steel box. This can be flooded to seat the caisson in the opening of the dock to close it, or pumped dry to float it and allow it to be towed clear of the dock.
Big Chute Marine Railway is a patent slip at lock 44 (in the township of Georgian Bay) of the Trent-Severn Waterway in Ontario, Canada. It works on an inclined plane to carry boats in individual cradles over a change of height of about 60 feet (18 m).
Locks were often whitewashed to make them easier to see at dawn or dusk. [17] The locks were built on a foundation of 12 inch x 12 inch timbers, spaced about a foot apart, laid longitudinally below the walls, overlain by traverse timbers, also 12 inch x 12 inch. These in turn were overlain with 3-inch planks, with the masonry placed upon them.
Operation of caisson lock Contemporary engraving of the lock at Combe Hay. The caisson lock is a type of canal lock in which a narrowboat is floated into a sealed watertight box and raised or lowered between two different canal water levels. It was invented in the late 18th century as a solution to the problem posed by the excessive demand for ...
Hydrolock (a shorthand notation for hydrostatic lock or hydraulic lock) is an abnormal condition of any device which is designed to compress a gas by mechanically restraining it caused by a liquid entering the device.
The IJmuiden sea lock (Dutch: zeesluis IJmuiden) serving Port of Amsterdam via the North Sea Canal is the largest lock in the world when considering dimensions. [ 1 ] [ 2 ] The lock, situated in IJmuiden in the municipality of Velsen , was opened on 26 January 2022 in the presence of King Willem-Alexander of the Netherlands .
The Agde Round Lock (French: L'Écluse Ronde d'Agde) is a canal lock on the Canal du Midi that connects to the Hérault River in Agde, France.It is almost unique because it is round, which allows a boat to turn around, and the fact that it has three sets of lock gates, each with a different water level.