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08-Nov-2012

Tidetech supplying Emirates Team NZ for Hauraki Gulf

We’re supplying Emirates Team New Zealand (ETNZ) America’s Cup challenge with tidal data for the Hauraki Gulf while the team trains aboard their AC72 catamaran in preparation for the challenge in San Francisco later this year.

We asked ETNZ data analyst Luc du Bois to tell us what the team is doing with the data to prepare for its challenge.

ETNZ data analyst Luc du Bois said the team was using Tidetech’s data as part of its preparations.

“Understanding the tidal currents of San Francisco Bay will be a key element in performance during the Louis Vuitton Cup and the America’s Cup regattas,” Mr. du Bois said.

“As crews discovered in the two America’s Cup World Series (ACWS) regattas held on [San Francisco Bay] earlier this year, reading the current right and knowing when to stay close inshore and when to go further out can mean the difference between winning and losing.”

etnz_ac72_testing_hauraki_gulf_chris_cameron_500.jpg

Tidetech’s modelling package will be made available to both the defender, Team OracleUSA, and the challengers, and will help create the level of understanding required for San Francisco’s complex currents.
 
“The rules forbid teams from measuring current data (or wind data) from outside the racing boat so we are using the accurate Tidetech model so we have this data available on board.

“ETNZ is using Tidetech modelling in the familiar waters of Auckland Harbour and the Hauraki Gulf on the SL33 cat development programme and as it undertakes the testing and training programme in the AC72 catamaran.”

Although conditions in the Hauraki Gulf are significantly different from those in San Francisco Bay ­– much smaller, about 25 per cent of San Francsico tides – the familiarity of the data and system will be important along with understanding how much influence tide and current has on the bigger boats.

The recent capsize of Team OracleUSA’s AC72 will have been a big wake-up call to all challengers and the tides and currents had no small part to play in that.

etnz_ac72_testing_hauraki_gulf_chris_cameron_2_500.jpg

08-Nov-2012


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