The Southern Wind 108’s hull and deck are constructed using an advanced carbon/epoxy sandwich with a mix of Corecell core materials. This produces a very strong and stiff boat with a remarkably light displacement of less than 79 tonnes
titanium Manson underwater anchor system that launches from under the yacht’s forefoot, using a high holding power anchor that gives a flush finish on the bottom of the hull when retracted. Moving the anchor away from the bow and sprit in this manner allows for a number of performance-enhancing features to be added. First, it enables the bowsprit to be fitted
with a fixed bobstay, allowing much higher working loads on the end of the sprit while eliminating concerns about chafe arising from contact with the anchor chain. It also allows the furler for the Code Zero to be fitted further forward, significantly increasing the gap between that and the main forestay. This gives more space for the sail to pass ahead of the forestay in gybes, without needing to completely furl it away. At the same time, the greater separation between the furled Code Zero and forestay tangibly reduces the extent
to which the airflow over the jib is disturbed when sailing upwind. Southern Wind’s Smart Custom
concept also means Gelliceaux’s owners could be involved in the whole design process, including technical specifications, deck layout, interior configuration and finishes. This enabled them to create a stunning luxury, high-performance superyacht that exactly meets their requirements, without a lengthy lead time. According to Peek, a further advantage is that Southern Wind’s Smart Custom boats typically work out roughly 30 per cent less expensive than a full custom project of similar size. To optimise performance, Gelliceaux’s
owners opted for a larger keel bulb allied to a taller rig that gives seven per cent more sail area. They also chose a lifting
The first SW108 to leave the Cape Town yard was overall winner of this year’s St. Barths Bucket
‘Hybrid propulsion has been designed in from the outset’
keel with a maximum 6.2m draught that contributes in giving a substantial 18 per cent increase in righting moment compared with the standard fixed keel, while shaving two tonnes off the yacht’s total displacement. At the same time, weight aloft is minimised through the use of high modulus carbon spars and carbon standing rigging, while titanium deck fittings complete the picture.
Construction is of an
advanced carbon fibre and epoxy composite, with a Corecell sandwich.
To minimise weight, furniture is made of honeycomb or foam sandwich panels with beautifully finished wooden veneers. This resulted in a completely new style for the interior, creating a perfect balance between elegance and minimal weight. Displacement is less than 79 tonnes,
which is an important element in making Gelliceaux easy to handle, as well as boosting performance. These aspects are further enhanced by the twin rudders that offer easy control while reducing loads in the steering system, even when power reaching at speeds equivalent to 300 or more miles per day. The advantages of hybrid power
systems, including near silent propulsion and power generation have long been understood by Southern Wind. These markedly improve comfort on board, while massively extending autonomy as fossil fuels can be used primarily as a back-up, rather than as the primary energy source. Nyumba, the fourth Southern Wind 96
to hit the water, already uses the same hybrid propulsion system as Gelliceaux, but the SW108 goes a stage further as it benefits from the hybrid system having been engineered into the yacht’s design from the outset.
SEAHORSE 79
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CORY SILKEN
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