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Yann Guichard. ‘It was built to an exceptional standard at CDK Technologies, in what is now Europe’s longest autoclave (50m). We saved around 500kg with the new spar… a quarter of the weight of the original mast.
‘With the savings in the mast plus gains with new sails and rigging we have cut the rig weight by more than a tonne… That translates into both pure speed and generally better behaviour.’ Every aspect of equipment has been screened for weight. ‘For example, we changed all the storage bags for spare material, ropes, clothing, food and so on… another 40kg gone!’ added Yann Guichard. ‘That is to say half of the weight of a crew-member.’ The crew will also be reduced compared to when the boat was named Banque Populaire V. Patrice Carpentier
NEW ZEALAND
A disciplined focus on a clearly defined brief for an inshore Sydney Harbour dayracer has seen New Zealand designer Rob Shaw produce an 11m canting-keeler that is turning heads with its early results.
Little Nico, as Adrian Walters’ new boat is called, arose from an out-of-the-blue phonecall to Shaw. ‘We talked for a while about what he was looking for in a boat,’ recalls Shaw. ‘He owned a Beashel day- sailer which he raced on Sydney Harbour. He was looking for some- thing in the 10-11m range and had considered a few local designs, some of which had features he liked and some he didn’t like. ‘He thought he might be interested in a canting-keel boat, but had never sailed on one before.’ So Shaw invited Walters to come to New Zealand and have a trial sail on Deep Throttle, one of two very successful 9m canting-keelers that have campaigned with dis- tinction here in some tough offshore races. The other is Karma Police, Shaw’s own boat, but that has now been sold to Norway. ‘Within a week he was on a plane and arrived with one of his key crewmembers. We went for a sail on Deep Throttle in a nice building breeze,’ says Shaw. ‘We had been going about half an hour when Adrian turned to his crewman and said, “Can you believe this? We could have been sailing like this all the time we’ve had our current boat…”
‘We came ashore and he said, “That’s it. We need to get going on this. How soon can we get started?” We got into a discussion working through finer details like length, number of crew, the type of sailing they wanted to do and how manageable they wanted it to be.’ The brief, in the end, boiled down to an 11m harbour racer, no accommodation required; canting-keel but, with a relatively small crew of five to seven, it should be simple to operate. The boat might do some inshore coastal racing, but primarily this would be a flat- water boat, coping with chop rather than waves. If it was going to compete further afield it would travel there and back by truck. One early question was about power, with an initial preference for an inboard diesel. However, when the benefits of a retracting outboard, as used on Shaw’s 9m version, were explained, the lighter solution became the obvious choice.
That had implications for powering the canting-keel. Another Shaw canter, the New Zealand-based 12m Blink, designed for much more serious offshore campaigning, utilises twin hydraulic rams running directly off the main engine and the batteries, with everything set below floor to keep the interior clear.
With no requirement for accommodation in the 11m version and only sheltered water racing envisaged, a simpler arrangement was adopted with a single ram connecting to the top of the keel, which protrudes into the ‘cabin’ area. This keeps all the mechanism dry above water level, although it does slightly raise the centre of gravity. It is electrically driven off lithium batteries. Shaw says the system is efficient and quicker than the hydraulic equivalent. The battery capacity is sufficient for two days of regular racing; limited charging is possible off the outboard, but primarily charging is via shore power at the dock.
‘The latest batteries are so light that you can have plenty of capacity without a significant weight penalty,’ says Shaw. ‘The only issue is that these batteries are still quite expensive.’ Initially the proposed draft was pretty deep, but taking account of some shoals around the Middle Harbour Yacht Club in Sydney, draft
SEAHORSE 17
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