Quite often when we are out cruising and working double locks many crews we meet at the locks tell us they hate them because they throw their boat around inside the lock.
We have developed our own system that works well for us but our good freinds Del and Al on Derwent6 recently published their method for handling a double lock that works really well. I'm sure they won't mind me sharing their method and the link to their blog page that describes this method and I hope this will help others too:-
If the boat leaves the lock slowly and you close the gate slowly the other gate should remain closed.
In the case of locks that only consist of ground paddles or just gate paddles (like those on the Shroppie near Chester) we open both half way until the cill is covered then open them fully.
We do something similar, but also use a rope around one of the bollards to help in keeping the boat against the side - I used to hate needing to be attached, so to speak, but this season I have accepted it and it does make ascension in the locks so less stressful!
nb Waka Huia
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