In July, I wrote about my experience with a homebrew twin-transducer ultrasonic antifouling system over 3 1/2 years on the aluminium sloop Nordkyn. It didn’t keep the hull clean once the antifouling reached past its prime, but the results were nevertheless very valuable as the system eradicated hard growth like barnacles on the hull, even in the […]
Ultrasonic antifouling systems tend to be costly and their track record is questionable. These articles describe my experiences with a system I developed and constructed for the aluminium sloop Nordkyn.
Starting Point I had hauled out the sloop Nordkyn for its less-than-annual bottom paint job. It was November, that year had been long, and so was getting the thin stringy weed clinging to the hull. In this condition, the boat is unusable. I was determined to make the effort last and so I generously sprayed […]