Pushing the Limits: Analyzing the ETNZ Testing Loophole

THE FOIL////2 min read

Strategic Exploitation of the Technical Regulations

In the high-stakes world of the America's Cup, the battle begins long before the first starting gun. Emirates Team New Zealand (ETNZ) is currently navigating a sophisticated "gray area" within the protocol for the 37th Cup. By utilizing the AC40 as a development mule, the team appears to be leveraging a loophole in the LEQ12 technical regulations. The rule allows teams to spread their quota of self-made test parts across multiple hulls, provided those hulls remain in One Design (OD) configuration. This creates a strategic opening for intensive two-boat testing that could mathematically double a team's data acquisition rate.

Performance Breakdown: The Banana Foil and Mast Mods

Technical surveillance reveals Emirates Team New Zealand has been relentlessly iterating on their "banana foil," now reaching revision G. While these incremental changes in thickness and chord are subtle, the real controversy lies in the parts they haven't declared. Observation shows specific modifications to the mast head and hull surfaces—including fiber pads and fairing materials—that have not been registered as LEQ12 components. If these modifications fall outside the strict AC40 One Design rules, the team risks a massive

Topic DensityMention share of the most discussed topics · 11 mentions across 8 distinct topics
AC40
18%· products
LEQ12
18%· products
AC75
9%· products
Other topics
27%
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Pushing the Limits: Analyzing the ETNZ Testing Loophole

Is the ETNZ Two Boat Programme Legal?

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