Featured in Multihull World Australia . Nov 2010

Article about the super hot SeaCart 26 OD

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Categories: Articles

CFD Study – Curved Foils Evolution

Picture of the mighty CFD number crunching

Evolution of the foils – The evolution of the new SeaCart 26 continues with a revision of the ama foil design. The original fixed foil design has been updated by Marc Lombard and his team. CFD (Computer Fluid Dynamic) tests pitched various configurations against one another, including no foil at all, the initial design, and a new one. The result – the new high aspect curved asymmetric foil gave a significantly improved lift-to-drag ratio (400kg up force). Increased lift will effectively reduce wetted surface and improve speed.

The benefits provided by the retractable ama foils will come into effect with medium true wind speeds in the vacinity of 14–16 knots. The lift provided will enable to helmsman to push the boat harder with confidence that the leward bow won’t be suseptable to nose diving as would be the case without the foil. Although the ama foils will be an additional extra when purchasing a SeaCart 26, it is expected that they will be popular to achieve maximum performance from the boat. This being the case they will likely be included in the class rules.


SeaCart College & Regatta Venues

Welcome to paradise – Whilst at CMI recently Calle also visited Pattaya on the western side of the Gulf of Thailand to inspect venues for SeaCart College and future regattas. The Royal Varuna Yacht Club, one of Asia’s most active yacht clubs is an idyllic venue. The club has a very active racing program for dinghies and off-the-beach catamarans.

Calle’s competitive nature got the better of him and he joined the locals racing a Laser followed by jumping on a Formula 18 for a test session during their weekend club races. As well as offering warm torqouise water and steady breezes, the club features a dining terrace and swimming pool with spectacular views overlooking the club’s own beach and race area. Accommodation is available onsite or at nearby exclusive hotel complexes.

The stunning view from RVYC.

The nearby Ocean Marina Yacht Club is a new 5-star hotel and marina complex. With a large protected marina, hardstand and launching facilities it would provide a suitable base for a large SeaCart 26 racing fleet. The hotel has three charter cruising catamarans that would be perfect Race Committee, VIP and spectator vessels.

Ocean Marina has a chandlery, launching ramp, travel lift, marina and hard stand for 300 boats.

Royal Varuna Yacht Club website
Ocean Marina Yacht Club website

Categories: News

Build Underway on the First SeaCart 26

Picture 1, 2: CNC milled main hull halves before final finishing

At Composite Marine International – Oceanlake founder, Calle Hennix, recently visited Thailand to spend time at the CMI factory prior to the build of the first SC26. The float moulds are ready for the first hulls to be laid up. The foam core has already been heat formed in the moulds and awaits the outer skin to be laid up before the core is added to the lamination. As the build of the floats takes place the main hull plug will receive the final touches to the surface finish before a mould is taken from it.

Calle reviewed and evaluated the systems to be used on the SC26 at length with CMI’s Production Manager to ensure the best possible solutions right from the outset. SC26 designer Marc Lombard has also redesigned the optional curved foils for the floats. The foils will now be fully retractable so they may be deployed when conditions are such that they will benefit performance, when not they may be lifted to reduce drag.

No sooner than Calle had returned from Thailand, he was off again. This time to the famous METS trade show in Amsterdam. Calle spent valuable time meeting with international suppliers, including those who will provide deck hardware and rig components for the SC26.

In the meantime, Tim Shuwalow has been responding to inquiries from all around the world. Interest so far has been very promising. Tim’s confident that fleets are set to develop quickly in many countries across all continents.

Categories: Build Update, News