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DSS - Welcome to the Future

Dynamic Stability Systems (DSS) is the patented, revolutionary system that uses retractable foil(s) to increase stability, speed and comfort in monohull yachts without compromising safety. It is the product of over 5 years of research and development (R&D), due diligence and testing. DSS technology provides significant benefits for almost all types and sizes of monohull yachts; from superyachts and cruising yachts to racing yachts and sports boats. These benefits include increased performance, improved comfort, and reduction in displacement, reduced draft and increased stability.
The applications and benefits for each type of vessel are shown in the pages of the website.

DSS Design Team

Welbourn Design Group

Welbourn design, headed by Hugh Welbourn has been at the leading edge of innovation and yacht design for 30 years. Recognised as one of the leading lights in foil development as well as performance optimization the Welbourn Design office has a long history of involvement at the top end of yacht racing.

Will Brooks Design Engineering Ltd.

Brooks Design Engineering Ltd. has been involved from the outset of the development of Dynamic Stability Systems. Will Brooks, the founder of Brooks Design Engineering is one of the foremost structural engineers in the performance sailing industry with extensive America's Cup and Volvo Ocean Race experience.

DSS Official Partners

Pantaenius - for all information relating to insuring a DSS equipped vessel
Doyle Sailmakers - DSS sailmaking partner
Harken
Triay and Triay - DSS legal matters

DSS Applications

Cruising Yachts

DSS transforms the performance and comfort of the modern cruising yacht, adding stability and increased performance with almost no loss of interior volume. The main benefits of DSS for cruising yachts are:
Safety: manoeuvers such as gybing and tacking can be carried out with a greater degree of safety thanks to the additional stability provided by the system.
Reduced heel: an issue of safety as well as comfort (especially in center-cockpit vessels). DSS reduces heel by five degrees or more - depending on the original design parameters - which makes a real difference to crew and guests alike.
Less rolling: as well as providing additional performance by generating lift, DSS ensures that the rolling often experienced in tradewind sailing conditions is significantly reduced. DSS also damps roll in difficult or exposed anchorages.
Speed: DSS generates more speed for the yacht, allowing shorter passage times and all attendant benefits such as being better able to avoid bad weather when passage planning.
Simple to maintain: DSS can be maintained on an annual basis as part of your annual haul-out and checks.
INSURANCE: FOR MORE DETAILS ON INSURANCE FOR DSS YACHTS PLEASE CONTACT OUR INSURANCE PARTNER, PANTAENIUS.

Sports Boats

DSS provides real and significant performance gains meaning faster sports boats. DSS also makes the boats more user-friendly, especially when manoeuvering at high speeds! Boats will be lighter, cheaper to build and easier to sail. This in turn allows for smaller crews and faster boats then ever before.
LAKE BOATS AND DAY SAILORS
DSS provides day-sailing boats with comfort, safety and performance. Boats can be made to sail with as little heel as you want - but still with performance, providing true entertainment for all the family! Extra stability means less-experienced guests can take their turn at the helm.
DSS comes into its own for lake sailing classes, real performance gains are available as one applies the technology.
Fail-safe: if your system is damaged or fails for any reason, your boat will simply revert to its unimproved specifications - hull integrity and safety are not affected.
INSURANCE: FOR MORE DETAILS ON INSURANCE FOR DSS YACHTS PLEASE CONTACT OUR INSURANCE PARTNER, PANTAENIUS.

Racing Yachts

Racing yachts become lighter and faster when using the DSS system. In comparison to a standard (non canting-keel or water-ballasted) racing yacht the performance gains are significant.
When compared to a canting-keel yacht overall performance is still superior. DSS really scores, however, in being fail-safe unlike canting keels!
DSS is significantly more cost-effective than canting keels in terms of both construction and engineering but also in maintenance and insurance costs.

DSS adds real benefits not just in straight-line performance but also in manoeuvering – especially gybing in heavy air.
DSS is IRC legal.
INSURANCE: FOR MORE DETAILS ON INSURANCE FOR DSS YACHTS PLEASE CONTACT OUR INSURANCE PARTNER, PANTAENIUS.

DSS provides a major change in how these vessels and their skippers can perform. Having twin boards deployed means that uncontrolled gybes under autopilot do not find the canting keel on the wrong side of the boat!
The benefits of DSS are very significant if sailing single- or short-handed, - especially racing. These include having a system that is not a significant drain on limited power resources such as occurs with a canting keel. DSS provides exceptional performance package and removes a significant source of potential problems within the boat, this allows the skipper to focus more on race-winning strategy.

Super Yachts

Superyacht designers frequently struggle to provide stability without the penalty of excessive draft that leads to mooring and anchoring difficulties. DSS adds stability with little engineering expense and no draft or displacement compromise; in fact draft and displacement can be reduced.
DSS provides an innovative, stylish and discreet solution especially with superyacht design increasingly looking to provide owners with performance as well as comfort and style. In the constant quest for weight-reduction in modern yacht designs, DSS provides a significant contribution. The knock-on effect in design from using DSS technology allows for smaller, more cost-effective and manageable sail plans.
DSS transforms the performance and comfort of the modern superyacht, adding stability and increased performance with almost no loss of interior volume. The main benefits of DSS for superyachts are:
Stability: manoeuvres such as gybing and tacking can be carried out with a greater degree of safety thanks to the additional stability provided by the system.
Greater comfort: as well as providing additional performance by generating lift DSS also provides a significant improvement in roll stability for more comfortable offshore-passage making. Another valuable benefit of DSS is that pitching is significantly reduced, again improving comfort and performance. In addition to this the system can be deployed at anchor to improve comfort by damping rolling in difficult anchorages. The system sits discreetly within the hull of the yacht, minimizing loss of usable space and not intruding on the interior layout and styling.
Cost: DSS allows for a lighter vessel meaning a smaller sail plan, both contributing to significant overall cost savings in construction costs.
Reduced heel and pitching: This is an issue of safety as well as comfort. DSS reduces heel by five degrees or more - depending on the original design parameters - which makes a real difference to crew and guests alike. The reduction in pitching improves both comfort and the ability of the yacht to sail to windward.
Greater comfort: as well as providing additional performance by generating lift DSS also provides a significant improvement in roll stability for more comfortable offshore-passage making. In addition to this the system can be deployed at anchor to improve comfort by damping rolling in difficult anchorages. The system sits discreetly within the hull of the yacht, minimizing loss of usable space and not intruding on the interior layout and styling.
Speed: DSS generates more speed for the yacht, allowing shorter passage times and all attendant benefits such as being better able to avoid bad weather when passage planning.
Simple to maintain: DSS can be maintained on an annual basis as part of your annual haul-out and checks.
Fail-safe: If the system is damaged or fails for any reason, your boat will simply revert to its unimproved specifications - hull integrity and safety are not affected.
INSURANCE: FOR MORE DETAILS ON INSURANCE FOR DSS YACHTS PLEASE CONTACT OUR INSURANCE PARTNER, PANTAENIUS.

FOR INFORMATION ON RETRO-FITTING THE SYSTEM ON SUPERYACHTS, CLICK HERE.

Retrofitting

Retrofitting DSS to an existing yacht is an option that can enhance the performance and characteristics without building from new.
Performance Superyachts will have no significant engineering problems in accommodating a retrofit installation. Impact on plumbing, tankage and wiring are all considered when assessing retrofitting the system but the volume footprint of the system is relatively small - the overall benefit to the yacht is significant as described in the sections dealing with superyachts and cruising yachts.
The same applies for cruising yachts. Again all the DSS benefits can be achieved with little effect on most interiors.
Some yacht types will be more suitable than others for a retrofit, but during a refit that includes a DSS retrofit there may be the opportunity to effect an overall optimized configuration.
In October 2007 for the purpose of further assessing the impact of retrofitting existing yachts, DSS was installed in a 40ft offshore yacht in Australia for further testing and performance data logging. Further encouraging results were recorded. With the abundance of real-time and experimental data plus sailing experience to hand, then a performance evaluation (available here click) was developed in collaboration with WALLY for examining the potential for a DSS retrofit solution to an existing 94ft WALLY.
In order to see the potential benefits of retrofitting the system to your yacht we have set out a case study prepared for one of our partners. (Click here to view the WALLY presentation)
The viability potential of any vessel for a retrofit can be easily analysed and the various options presented for your consideration.
INSURANCE: FOR MORE DETAILS ON INSURANCE FOR DSS YACHTS PLEASE CONTACT OUR INSURANCE PARTNER, PANTAENIUS.



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