Thursday, February 22, 2024
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HomeRegattaAmerica's CupBarcelona's Spectacular America's Cup Conditions Delight Teams

Barcelona’s Spectacular America’s Cup Conditions Delight Teams

It may well be a curious low jet stream this summer but for the last few weeks, Barcelona has served up some of the most stunning conditions for America’s Cup sailing with the afternoon thermal sea-breeze coming in almost on demand like the southerly ‘Ora’ at Lake Garda or the south-westerly ‘Doctor in Fremantle. Today was no different with a beautiful late morning breeze of 8-12 knots building to 16 knot gusts by late afternoon that saw NYYC American Magic, Alinghi Red Bull Racing and Luna Rossa Prada Pirelli all venturing out of their bases in the Port Vell with their AC40s in various configuration. We had five boats on the water initially and Barcelona was five alive.

For the Americans it was an afternoon that promised so much. Having docked out at 1pm there was air of an almost heavyweight boxing match in the making with Tom Slingsby on the LEQ moded ‘America’ and Paul Goodison piloting the pure one-design AC40 ‘Magic’ and the opening exchanges as they lined up, bore all the hallmarks of a good day on the water. Flattish wave-forms atop a residual swell were meat-and-potatoes for the AC40s in flight but after the initial line-up back and forth, Magic ventilated and never recovered. The Chase Boat came alongside, and their day was over, leaving ‘America’ to shadow box for the rest of the afternoon.

©Paul Todd/AMERICA’S CUP

It was anything but a wasted effort as Slingsby and Harry Melges threw America around a series of pre-starts with the customary board-down stalls and ‘S’ courses into the line to improve their time-on-distance whilst the Flight Control team rotated throughout the afternoon with some of the ‘Magic’ crew getting a ride. They were pushing so hard on the bear-aways at the windward mark that on one occasion they even snagged the buoy, briefly, no harm done. In the short glimpse of two-boat action that was seen, America was clearly faster when riding the immersed starboard foil over her one-design counterpart but there was a fascinating interview afterwards with Max Tringale, the Sail Designer of American Magic from the Newport North Sails loft.

©Paul Todd/AMERICA’S CUP

Max is an alumni of the famed Marine Engineering course at Southampton University and worked for noted America’s Cup naval architect firm, Pedrick Yacht Design, before joining North Sails and talking about how the team measures sail performance elicited the following responses: “We kind of use the one-design sails as our baseline and as the sailors and design teams think of think of different things to test, we try and iterate between what we think is the right direction to go and kind of using the one design sales as our baseline and then seeing how we think the performances is between our sails and them… sometimes it comes down to how well the sail performs like through a range for a given windspeed or how well it can change gears. That sort of thing is a big one that we like to like to test you know between taking-off and once you’re up and foiling is something we like to look at.”

©Paul Todd/AMERICA’S CUP

Talking about sail shape and the full battening that we see on mainsail and jib in the AC40 and AC75, Max said: The theory’s all really similar it’s just kind of pushed to an extreme at the edges of what we thought, what we think is normal, or what we knew in the past and pushing beyond a little bit some of those kind of design ideas…(with the battens) it’s actually a pretty nice feature about these sails it makes our job actually a little easier to help control the shape and finding the shape of batten design and that sort of thing is another tool to help in our designs for sure.”

America foiled for nearly two hours today out of a total session of almost three-and-a-half hours but what was really impressive was a 100% foil-to-foil percentage over 35 gybes and 44 out of 45 (98%) foil-to-foil tacks. The Americans are really pushing ahead of that first Preliminary Regatta in Vilanova i La Geltrú in just a few weeks’ time. One of the teams to watch for sure.

Alex Carabi / America’s Cup

Buzzing the Americans at times through the day on the same stretch of water was Alinghi Red Bull Racing who also brought out their two AC40s in the hope of making the absolute most of the stunning conditions – a light relief to the all-on sailing on BoatZero yesterday.

However, it was a testing day with AC40-7, the one-design, having cunningham track issue and having to return to base almost immediately after launch to de-mast, fix, and re-rig. The superb Swiss shore team did the business, and in no time the one design AC40 was back out on the water.

Whilst the issue with the mast was being sorted shoreside, the fully tricked up LEQ12 moded AC40-4 featuring the return of the Tubercle-clad delta wing and the anhedral – the Swiss Army Knife of AC40s – was performing wonders down the America’s Cup course and really lighting the afterburners. This looked for all the world like an Arnaud Psarofaghis and Maxime Bachelin masterclass with Yves Detrey and Bryan Mettraux onboard but just as it started with a bang, it ended with one as a loose splash-down gybe and what looked like an issue with the jib halyard flaying in the wind up aloft, saw the team forced to slow down and reluctantly take a tow back to shore with the port foil arm raised. Sadly, an hydraulic issue curtailed the LEQ moded AC40s session.

Alex Carabi / America’s Cup

Unabashed, Phil Robertson and Nicolas Charbonnier pressed on through the afternoon in the one design AC40 and went through a series of pre-starts and laps before a fast run back to port and a finish under the W-Hotel – one of the great landmarks of Barcelona. Speaking afterwards, Bryan Mettraux, a sailor that is growing in confidence in this America’s Cup cycle, commented on the day saying: “It was the plan to go out sailing with two boats today and they just had a small issue with the Cunningham track on the mast so they have to remove the mast to fix it but it was a quick fix so a good one…yeah we had a nice 15 minutes of sailing and then we had an issue with the system inside the boat so we couldn’t sail the boat any longer properly so we stopped…it’s a system issue with the hydraulics.”

Bryan also commented on the new mainsheet system that the Recon Team had spotted on BoatZero yesterday which looked to create a much more aerodynamic profile around the clew with the actuator being removed out of the area to lower down. This is an area where we will see huge development by all the teams in the coming months and Bryan offered: “We tested the new system on the 75, the goal is to make it ready for the next boat and yeah the goal is to try to have less space at the back between the two skins and improve a bit the aero and also, yeah, well we can use all the LCS to control the back of the sail.” (LCS = Leech Control System)

Alex Carabi / America’s Cup

Also spotted yesterday was the boat manager dialling in what looked like an automated system between the mast rotation and the 3D jib sheeting arrangement. Bryan remained coy but confirmed that it’s early days as the team start finding the pre-sets on these controls and linking them together: “We started to use some logic to link different function between them but it’s just the start, it’s really the beginning.” And when pressed about what else they’ve lined, he offered: “A lot of things and much more to come.”

Intriguing. Whilst the sailors hone their technique on the water, there is so much going on behind the scenes in the design offices all around the world at the moment that we suspect we haven’t seen anything yet in terms of development. Plenty to come from what’s looking like being the closest America’s Cup in decades.

Luna Rossa Prada Pirelli were the fifth AC40 out on the water today but as per the agreement with the teams, when training in an AC40 in one-design, there is no recon report or RIB following the team.

Alex Carabi / America’s Cup

On-Water Recon Unit Notes – Alinghi Red Bull Racing:  Alinghi Red Bull Racing rolled out their AC40-7 (RED) and AC40-4 (YELLOW) at 10:00 and 10:35 respectively. The Yellow boat was equipped with the ‘Delta Tubercle’ foil on the port side and the anhedral foil on starboard. Both foils had camera bulbs on their lower surface. Cameras on both sides of the foil arm have been added to the anhedral foil, similar to those previously added to the ‘Delta Tubercle’ foil. The Red boat remains in full One Design mode.

The Red boat faced rigging issues and was craned out, with its rigging then moved to the rigging garage. During this time, foil arm testing occurred on the Yellow boat. According to

Bryan Mettraux in the post sailing interview, the rigging issues were related to the cunningham. Once addressed, the Red boat was relaunched and readied for sailing. The AC40-4 (Yellow) docked out at 12:35 with the M1-2 LE mainsail and J3-1 OD jib prepared on deck.

The ‘Garbi’ afternoon thermal wind was recorded at 9-11 knots at 195° at 13:20, increasing to 12-14 knots at 200° by 16:15. The sea state was notably calmer, a stark difference compared to the previous day.

The Yellow boat began sailing at 13:00 from the port entrance. Stint 1 was marked by a series of manoeuvres to warm up: tacks, gybes, mark roundings, double tacks and 360s within the pre-start box. After 15 minutes into the first sailing stint, a touch down gybe brought the stint to a stop. It was also noticed that the jib halyard was flying loose during sailing. Crew members were seen onboard and up the mast resolving the problems. Meanwhile the Red boat started sailing at 13:35, sailing downwind and briefly stopping near the yellow boat.

After waiting on hold for 10 minutes, the Red boat continued sailing, while the Yellow boat had both its sails dropped and was subsequently towed back to base with the port foil arm lifted out of the water. The recon unit returned to base with the Yellow boat, but there was no visible damage when the boat was craned out. Bryan Mettraux claimed they suffered problems with hydraulics.

The recon unit then headed back out to observe the final two stints of the Red boat, helmed by Phil Robertson and Nico Charbonnier. Stint 1 consisted of pre-start practices and a lap of the 1.5 Nautical Mile course, oriented at 200°. After a 20-minute break, Stint 2 involved two pre-start practices and one lap after the second start. The session concluded under the W Hotel, with the red boat being towed back, docking in at 17:30.

The recon unit covered 28 Nautical Miles, as the team spent five hours on the water. 34 manoeuvres were observed between both boats, 94% fully foiling.

On-Water Recon Unit Notes – NYYC American Magic: Bittersweet day for NYYC American Magic as ‘Magic’ had to retire early while ‘America’ kept on nailing pre-start sequences in fantastic sea-breeze conditions and flattish water.

Roll out was @10:45h with both boats in the same unchanged configuration for the last 2 days: America with silver foil on stb and One Design foil on port; and Magic in strictly One Design mode getting her and the crew primed for this month testing events leading up to Vilanova preliminary regatta. Dock out was @13:00h with Harry, Tom, Severin and Riley on America; Paul, Lucas, Andrew, Michael on Magic. They hoisted jibs#2 with a nice sea-breeze of 9-12kt @200º and a warm-up of upwind-downwind sailing towards the course area began @13:29h with both boats beautifully lined-up.

As expected, America pulled considerably away from Magic on port tack. Then Magic ventilated @13:43h to a complete stop and never went back to sailing again. After some time with technicians and computers onboard she was towed back to the base @14:08h finishing her day on the water. America kept on sailing by herself towards the starting area and trained for an extra 2h1/2 around the buoys.

By the end of the day, she had completed 10 pre-start drills and 10 laps around the course in 3 sailing stints. The wind shifted persistently to the right and increased slightly to 14-16kt @220º but the sea state never deteriorated enough to play havoc on America. All manoeuvres were clean and neat today, always under control even when pushing the boat around very hard. They did several crew swaps along the day with Lucas and Andrew, the Magic members that remained on the chase boat. The only minor incident happened when they hit the mark with the port foil on the very first leeward gate round-up (see video), they stopped to check for damage on the foil, apparently none, and forgot about it to keep charging hard and fine-tuning time-to-starting-line, two-board slow-downs and acceleration.

They called it a day @16:14h foiling all the way into the base and docked in @16:25h. 

©PAUL TODD/AMERICA’S CUP

© ALEX CARABI / AMERICA’S CUP

©PAUL TODD/AMERICA’S CUP

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