SEILmagasinet · video

What this video covers

Andreas Avelgaard, sailing out of Bestumskillen, built a DIY hull-cleaning tool to scrub the underwater sections of his boat from the dock without entering the water.Watch The device uses a wooden plank fitted with a universal joint and a rope (tabbe) that lets him push the scrubber under the hull and pull it up against the bottom, reaching the keel and the hardest-to-access midship sections.0:30 He reports a typical cleaning session takes about 45 minutes — enough that he calls it a training session.1:28 For the keel, he uses four-meter-long extendable poles bought from a hardware store, working blind by learning the keel's shape by feel.1:45 He stresses starting antifouling maintenance early, before growth is visible, because biofouling begins the moment the boat enters the water.2:10 A simpler summer version involves tying a rope between bow and stern cleats just above the waterline, putting on a wetsuit, and using a clog fitted with a hinged wooden crosspiece to scrub the bottom while floating.2:39 He uses WC-17 antifouling paint and Finnfilm on the waterline.3:13 Avelgaard has no plans to patent or sell the tool and encourages others to copy it.1:16

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