How does the Magnus Effect work?
This roll damping system is based on the Magnus effect.
While cruising, when the rotor rotates clockwise, a pressure difference is created. The water gets "thinner" at the top and "thicker" at the bottom. The compressed water at the bottom creates a force (lift) in upwards direction. The faster the rotor spins, the higher the lift force.
The RotorSwing system has to change quickly the direction of rotation based on the direction of the roll. The lift force generated by this Magnus effect is incredibly large and efficient.
"The Magnus effect generates incredible lift forces that far surpasses anything we have seen so far in other roll damping systems."
We thank Dr. Magnus for the discovery of the Magnus effect.
RotorSwing Marine, located in Holland, taps into many years of roll damping experience with the so called Maglift (or Rotory Stabilizer) for the mega yacht industry. For over 15 years, from the same people that have successfully installed many roll damping systems for mega yachts, now have created a product, with their new company called RotorSwing Marine, that now focuses on roll damping for yachts up to 30 meters (100 feet).
Since this Magnus effect system is retractable, it doesn't have to be restricted in size (due to the hull envelope restrictions). This paired with the added advantage of having the rotors placed horizontally, in contrast with stabilizer fins that are placed perpendicular to the hull, the roll damping effect of the RotorSwing is far more efficient and powerful compared to many other types of roll damping systems.