DescriptionWeston Lock on the Trent and Mersey Canal, Derbyshire - geograph.org.uk - 1612463.jpg
English: Weston Lock on the Trent and Mersey Canal, Derbyshire Weston Lock (No 4) is wide enough for two narrowboats to use together. The change of water level in this lock is almost eleven feet (3.3 metres) so it can be a daunting experience, especially if only one boat is coming up and lock paddles are not operated carefully. In this picture the lock is almost full. All ground and gate paddles are up (four), allowing water to flood in.
When boats are in the empty lock, there are ground paddles which allow water in from below, through culverts. These MUST be used before the gate paddles mentioned, or open fronted boats would be in danger of being overwhelmed and sunk from the rapidity of water rushing through the gates https://www.geograph.org.uk/photo/1612454
Thinks: How long before EU Health and Safety "nannies" ban the use of gate paddles on the canals?
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== {{int:filedesc}} == {{Information |description={{en|1=Weston Lock on the Trent and Mersey Canal, Derbyshire Weston Lock (No 4) is wide enough for two narrowboats to use together. The change of water level in this lock is almost eleven feet (3.3 metres)
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