Features

June 2012 Issue

A Copper Alternative?

PS launches a long-term test of SmartAntifouling’s ultrasonic device.

Prompted by several reader queries and our own curiosity, Practical Sailor recently launched a test of an electronic alternative to metal-based bottom paints: the M20, an ultrasonic antifouling device from the Canada-based SmartAntifouling. Electronic antifouling uses ultrasound waves to prevent algae and other organisms from attaching to a boat’s hull. A transducer, which is mounted on the hull skin inside the boat, emits a high-frequency vibration that creates a micro-thin layer of rapidly moving water blanketing the hull and making it difficult for barnacles and algae to take up residence there. PS installed an M20 on a Florida-based test boat and will be monitoring its performance this season.

To continue reading this entire article you must be a paid subscriber.

Subscribe to Practical Sailor

Get the next 7 issues of PRACTICAL SAILOR for just $19.97. And access all of our online content - more than 1,500 evaluations, reviews and articles on sailing gear, equipment and boats - free of charge. That's a savings of more than $14 off the regular rate. Or double your savings and subscribe for 14 issues for just $39.94.

Get Practical Sailor Digital

Get 12 months of PRACTICAL SAILOR DIGITAL for just $34. You get unlimited access to everything on the site including each monthly issue as a PDF.

Subscriber Log In

Forgot your password? Click Here.

Already subscribe but haven't registered for all the benefits of the website? Click here.