Also the barnacles growth developed a very annoying propeller unbalance.
In Januari this year Jan van Donselaar has installed a Shipsonic 20 unit on the bottom inside the boat.
Jan was rather sceptical because of the disappointing experians with another ultrasonic antifouling unit in the past.
Swan 47 ’Queen of Hearts’
Shipsonic ultrasonic antifouling unit tested this year 2011 on the hull of ´The Queen of Hearts´ a Swan 47 owned by Jan van Donselaar.
At the end of April this year I received Jan’s first reaction, the hull, the propeller-
This experian is saying us that the Shipsonic ultrasonic system has realised a convincing reducing of barnacle growth.
Last May the Swan 47 has been lifted up out of the water.
The images are made just after lifting up, before cleaning the underwatership.
You can see the results below....
The picture shows a clean hull free of algae end barnacles.
In detail the folding propeller. Free of barnacles.
The main problem of this yacht solved by the Shipsonic ultrasonic antifouling unit!
Just on the wind/waterline is some growing
of seaweed.
Requierments for info
Curaçao and Caribbean in general: