File:Bascote Staircase Locks (2) , Warwickshire - geograph.org.uk - 1756957.jpg
Bascote_Staircase_Locks_(2)_,_Warwickshire_-_geograph.org.uk_-_1756957.jpg (640 × 487 pixels, file size: 154 KB, MIME type: image/jpeg)
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Summary
[edit]_,_Warwickshire_-_geograph.org.uk_-_1756957.jpg&action=edit§ion=1){kind=link}
| Description |
English: Bascote Staircase Locks (2) , Warwickshire. Following on from 1756956
On the Grand Union Canal, Locks 14 and 15 are built as a staircase where the deep middle gates double as the top gates of Lock 15 and the bottom gates of Lock 14. The top (No 14) and bottom (No 15) locks are both empty https://www.geograph.org.uk/photo/1756958, so the last boat went down the staircase. For a boat to come up the rise, the top lock must be filled, then the boat can enter the bottom lock, then the water can be let out of the top lock into the bottom lock until the water level is equal in both, and the middle gates can be opened to allow the boat into the empty top lock, re-closing the gates afterwards. Next, the top lock will be filled again, lifting the boat to the canal level in order to progress eastwards. For a boat to go down, the top lock must be full, and the bottom lock empty. A boat enters the top lock. The water is let out of the top lock and into the bottom lock. When the level equalises, the middle gates can be opened, and the boat can progress to the bottom lock, closing the middle gates behind it. Then the water is let out of the bottom lock, lowering the boat to the level of the pound below the lock, and the boat can progress westwards. This is how the locks are set now. Simple, but it takes a lot of words to explain it. |
| Date | |
| Source | From geograph.org.uk |
| Author | Roger Kidd |
| Attribution (required by the license) | Roger Kidd / Bascote Staircase Locks (2) , Warwickshire / |
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| Camera location |   | View this and other nearby images on: OpenStreetMap |  |
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| Object location | | View this and other nearby images on: OpenStreetMap | |
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Licensing
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This image was taken from the Geograph project collection. See this photograph's page on the Geograph website for the photographer's contact details. The copyright on this image is owned by Roger Kidd and is licensed for reuse under the Creative Commons Attribution-ShareAlike 2.0 license.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 21:59, 5 March 2011 | | 640 × 487 (154 KB) | GeographBot (talk | contribs) | == {{int:filedesc}} == {{Information |description={{en|1=Bascote Staircase Locks (2) , Warwickshire Following on from 1756956 On the Grand Union Canal, Locks 14 and 15 are built as a staircase where the deep middle gates double as the top gates of |
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