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This vessel was treated with two types of antifoul as an experiment. Barnacle encrustation has a negative impact on the efficiency of the hull moving through the water through the increase in drag. This reduces speed and increases fuel consumption
© Kevin Purdy
Marine Biosecurity: Antifouling coatings -The performance cost of a dirty hull - Part 3
“Ask any racing yachtsperson if their boat is slower when fouled, even with a bit of slime,” says antifoul coating specialist Kevin Purdy. “The answer will be an emphatic yes.”