Flow Aligned Rudders
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RUDDERS Although traditionally motor yacht rudders are straight, they operate in an area of uneven water flow directly behind the propellers. As a result, a suction pressure peak can form at or near the leading edge of the rudder. Not only does this pressure negatively impact vessel performance and fuel consumption but it is also where cavitation is more likely to occur. Through another unique CJR innovation, we’re able to accurately simulate these forces for any vessel and can LEVERAGING THE OPPORTUNITIES THAT TECHNOLOGY BRINGS predict how they would impact the When considered as part of a fully is perfectly aligned with the propeller optimised propulsion package, well- flow angles along the entire span. This designed rudders can have a notable ‘twisted’ design reduces the suction impact on fuel consumption and pressure peaks and, in turn, minimises maximising boat speed, as well as cavitation and related vibration; it also directly reducing noise, vibration and reduces vessel resistance and increases cavitation levels. overall vessel performance. propulsion system’s performance. With this comprehensive understanding, we’re able to design a rudder with a unique, optimised profile –

KEY FEATURES • Power savings provide the opportunity to reduce engine load compared to top straight rudders. • Optimised profile of each rudder, turn significantly reducing fuel burn. • Lower suction pressure peaks • Significantly improved propulsive to reduce cavitation, noise and efficiency, with no impact on vibration, improving both ride vessel manoeuvrability or steering comfort and rudder lifespan. • Reduced rotational losses and steering rams to save weight and minimised drag provide the potential to increase top speed by up to two knots. • Manufactured to any classification society...