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Automatically Opening Canal Lock Gates

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Uploaded by on Sep 16, 2008

Narrowboat Arundel opening the lower gates of Cowley Lock on the Grand Union Canal using the boat engine and lines, August 2008. Commercial carrying of agregate from Denham to West Drayton by Pheonix Canal Carriers.

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Autos & Vehicles

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All Comments (6)

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  • Thumb-lining is how the technique is referred to by boaters.

  • @morethanadequate

    I know it's a year ago, but 'thumb lining' is incorrect - it's called using a gate line, or 'gate-lining'. No thumbs were harmed or caused damage to in this video.

  • @Dyad1968

    I think you refer to the paddles being dropped (the gates are left standing). Watch and listen and you will see and hear that the 'dropping' is damped by using the hand on the rotating shaft as they go down. You can of course wind them down, but allowing them to hit the bottom ensures they are ALL the way down and seated.

  • Doesn't dropping the gates rather than lowering them by windlass damage them?

  • I'm always fascinated by canal locks. So much so, I made my own YouTube video. Have you seen it yet?

  • Excellent! Maybe the first video of thumb-lining on YouTube. The really clever part I think is where the slip knot lets go as the boat passes out of the lock.

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