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Ultrasonic Antifouling for Yachts and Ships

The basic science behind the TWIN-f® system is sound
TWIN-f® uses resonance of ultrasonic waves to kill algae.

The TWIN-f® system is installed on the inside of the hull of the boat, below the water line. The transducer generates ultrasonic waves that form an ultrasonic barrier around the hull of the boat. The ultrasonic signal will attack and kill the algae by tearing the gas vacuole.  


Ultrasonic Antifouling Technologies

The basic science behind our TWIN-f® system is sound
Continuous inaudible ultrasonic vibrations are generated by the TWIN-f® system that cause oscillations of the algae vacuole leading to its death.

The broad frequency range achieved by this new technology allows ground breaking performance, far surpassing mono-transducer designs.

The ultrasound challenge
The challenge to ultrasonic algae control is the fact that each algae species has its own resonance frequency that’s required to destroy it. With over 30,000 known species ranging from unicellular to over 30m in length, there are many more frequencies needed than any single transducer system could technically achieve.

Algae and molluscs are a constant and costly battle for every boat owner in order to maintain his investment and performance.
The boating industry has grown accustomed to the intensive maintenance necessary to maintain performance and prevent serious hull damage, periodic antifouling painting, water jetting the hull and even paint stripping.
The toxic materials used in antifouling paints lead to increasing restrictions and regulations worldwide in order to protect the environment.

The TWIN-f® advantage
With two unique transducers and with the help of a law of physics, the new TWIN-f® system achieves full range algae control, regardless of geographic location and regionally dominating species.

Ultrasound affects algae
Ultrasonic sound waves, tuned to precise frequencies to control algae is not science fiction. It's actually a very effective tool to control algae, and it will help to minimize the use of antifouling bottom paint used on boats, eliminate the need for chemical algaecides, lower maintenance costs and contribute to a healthier environment.

A law of physics offers solution
The TWIN-f® combines multiple frequencies to provoke what is called “heterodyning”, generating new frequencies and power peaks.

This technology allows us to achieve the full frequency range required for reliable and efficient algae control.

Unlike existing pulsed ultrasound technologies TWIN-f® adds an additional distinct transmitter that succeeds to expand the frequency range and achieves unparalleled efficacy and reliability.

TWIN-f® wins the battle against algae and eliminates the chores and repetitive cost associated to keeping the hull clean and performing.

Safe and effective
This system will not harm fish or aquatic life. Ultrasound has proven to be very safe for fish and other marine wildlife. It's important to note that our TWIN-f® ultrasonic units are frequency tuned to damage only the cellular wall of the algae. The frequency range used is not harmful to marine wildlife and other plants.

The damaged vacuole prevents the algae from regulating its flotation level in the water for optimal chlorophyll synthesis and as a result leads to its death.


TWIN-f® Ultrasonic Algae Control
Ultrasound technology for algae control is becoming one of the top treatment methods for a variety of unwanted algae growth in sailboats, yachts and ships, large and small, and industrial applications.

Benefits of using ultrasound include safe, eco-friendly control of algae, which either eliminates or limits the use of antifouling paints. The installation is often quite simple and easy. And the technology is safe for fish and wildlife. Annual treatment costs are often reduced as well.

Even the remote and hard to reach locations can now be treated with our ultrasound system effectively thanks to their lower power demand, and our solar power kit. This system includes everything needed to power all of our ultrasound units for 24/7 around the clock operation economically.

Boat owners around the world all have the same problem: keeping their hulls clean and free of marine growth. Boats left in the water will quickly develop algae growth below the waterline.

Algae is a food source for barnacles, sea pocks, mussels and molluscs. Once these creatures attach to your hull and running gear, they quickly multiply, causing your boat’s performance to suffer. As we all know, drag means less speed and more fuel consumption.

This new and innovative TWIN-f® antifouling system incorporates the latest proven ultrasonic technology which emits low frequencies which are radiated through the boat's hull in order to destroy algae that are the basis of all weed growth and micro organisms such as, barnacles, zebra mussels, oysters, clams and tube worms and will prevent them from attaching themselves to your boat's hull and drive system. Our unique system creates a barrier that covers the hull and the running gear including z-drives, propellers and propeller shafts. Our system is proven to work.

Economical and safe for the environment
Our TWIN-f® ultrasonic anti-fouling system's performance will convince even the hardened sceptics with significant cost savings over as little as a one year period (compared to yearly slippage and conventional antifouling paint treatments).

After the first year the savings will grow and grow !

Installation
Our TWIN-f® system comes is four versions, single, two, three and four-pair transducer system. The basic system consists of a pair of transducers connected to a control box. This system is used for boats 15 meters and up in length.

The transducers with its installation kit are installed inside the hull with epoxy glue and no holes in the hull are required. All kits come complete with all necessary cabling.

It is up to you where to place the control box but it is important that it is placed above the waterline in a dry suitable place in the vicinity of an electrical power source.

The TWIN-f® ultrasonic transducer(s) should be placed below  the water line. One must make sure that the transducers are not mounted on any false floor or internal skin.

Mounting the transducers within 1 to 1.5 meters of the propeller(s) or drive unit(s) will help to keep these clean from fouling as well as they will be within the effective area of the transducers effectiveness.

The ultrasonic revolution in algae control
Like many hi-tech devices, ultrasonic transducers used in marine anti-fouling systems have improved significantly since their commercial inception in Belgium and in the USA in the early 1980’s.

The earlier versions of the ultrasonic antifouling systems were restricted by limitations of transducer technology which only produced a narrow band of output pulses.

The newly designed TWIN-f® ultrasonic antifouling protection system uses the latest digital technology which produces a far wider range of output pulses resulting in a significant improvement in effectiveness.

The ultrasonic package
The TWIN-f® system will unleash your boat's potential, give you enhanced fuel economy and will protect your boat 24 x 7. No barnacles, no drag, no fatter boat and most importantly, you will use less fuel to drive your boat through water.
Our TWIN-f® anti-fouling system reduces costly bottom maintenance and it easily pays for itself in a short period.
Apart from eliminating the hassle and recurring expenses of conventional antifouling, the big benefit of an ultrasonic system is that it also protects items like cooling water intakes and other inaccessible areas.
A good installation should also cover parts that are subject to high abrasion, such as propellers, trim tabs and rudders.