Rotor Swing - Electrical Magnus Effect Yacht Stabilizer - 4 Pages

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Rotor Swing - Electrical Magnus Effect Yacht Stabilizer

Catalog excerpts

The world's first electrical Magnus effect yacht stabilizer system Rotor Swing 1 SILENT OPERATION (fully electric) € 1 LESS VULNERABLE (swing away, scarcely protruding parts) € 1 SUPERIOR AT LOW SPEED (roll damping from 3 knots upwards) € 1 UNIQUE NEW ELECTRONIC CONTROLS (nonlinear soft clipping) € 1 FULLY AUTOMATIC (simple operation with two buttons only) € 1 FLEXIBLE LOCATION (even near transom is possible) € 1 SUITABLE FOR FASTER VESSELS (with optional rake control) € 1 SUPERB FOLLOWING SEA BEHAVIOUR (with high "static heel") € 1 EASYTO INSTALL (no bulky hydraulic pump and tank) € 1 ZERO SPEED (Patented) UNDER DEVELOPMENT (end 2013) €

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Fins key performances issues: Until RotorSwing, the best known roll damping systems for motor yachts are fin stabilizers. They are effective and relatively simple in their design. They generate an upward and downward hydrodynamic (Lift) force when moved through the water and can therefore be used in roll damping Fins are sized to work best at the yacht's cruising speed and above. At lower speeds, e.g. 3-6 knots, they do not perform Fins protrude outside the hull permanently increasing fuel consumption and subject to damage. To prevent damage to the fins they must physically stay within the...

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RotorSwing Marine is proud to introduce the first electric Magnus effect stabilizer system in the world As well as being electric, the system is also retractable. No problems with assembly of hydraulic pumps, oil reservoirs, and expensive high pressure hydraulic lines. No leakage and complex installations. Another unique issue is the innovative design of the electronic control system. RotorSwing uses an advanced model based control system for optimal performance based on a multiterm algorithm. By using in-depth based knowledge and vast experience gained over years of developing stabilizers,...

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How the RotorSwing outperforms fin systems The following explanatory sketch is of a rotor (right) and a fin (left) installed together in a vessel of about 15m. The fin has a size of 0.6 m2 and is limited in size so as not to protrude outside the beam/keel envelope, as this would be unsafe. The dotted line illustrates the envelope. The RotorSwing stabilizer has a comparable area of approximately 1.1 m2 and eliminates any permanent protrusion outside the envelope when retracted. The active area, comparable to the 0,6 m2 surface of a fin, is thus a factor 1,1/0,6=1,83 more! For roll damping...

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