The New Zealand Herald

Fixing saltwater-damaged electronic systems biggest

- Professor Mark Orams is a former NZ and world champion sailor, Team New Zealand member, author, environmen­talist and Professor of Sport and Recreation at the Auckland University of Technology.

The fact Patriot spent around two hours submerged after the capsize will have caused multiple issues.

What does the capsize and near sinking of American Magic’s Patriot mean for them and what do they do now?

There is a natural tendency whenever there is a major mistake or calamity to fall into the “blame game” and spend time trying to figure out who is at fault.

In the media, we fall into this mode quickly and the tendency to speculate and vilify those who may have been responsibl­e is an unfortunat­e approach.

Spending energy and focus on the “blame game” does nothing to help fix the problem and get the team back on its feet. It certainly does not help repair the boat and get back racing again. It can also fracture a team and turn its culture toxic.

What American Magic must focus on, and be very discipline­d about, is to work together as a team to resurrect their race yacht and get her and themselves ready for the Prada Cup semifinals starting January 29.

Forget round robins three and four. They don’t matter now. Leave Ineos Team UK and Luna Rossa to fight it out for top qualifier to go directly into the finals.

They have 10 days until the semifinals. That should be enough time to get Patriot back out there and race-ready.

Since arriving back at their base at 10.30pm on Sunday night, the American Magic team will have conducted a systematic damage assessment. From this, they will have created a priority list which they will now be working through.

Obviously, the hull damage needs to be repaired. This is a significan­t job because the damage is in a structural­ly important area immediatel­y in front of the port-side foil arm.

To me, the hole looks to have been caused by something large and heavy letting go inside the boat and punching out through the hull as it crashed back on to the water immediatel­y before the capsize.

The hole is too “neat” to have been caused by the force of the hull impacting the water.

My guess: a hydraulic accumulato­r tank that provides hydraulic oil to the foil cant arm systems or the battery pack that powers them. They are very heavy, and if what was securing it into the hull let go in the crash back on to the water after Patriot was airborne, then that is what has punched through the hull.

The fact Patriot spent around two hours submerged after the capsize will have caused multiple issues. The inside of these AC75s are incredibly complex. They contain mechanical and hydraulic systems and, most significan­tly, multiple electrical and electronic systems. It’s here that the biggest challenges lie.

Electronic systems and saltwater do not mix well. The systems aboard these AC75s are not things you can purchase “off the shelf”. They are bespoke systems designed and fitted by each team.

They control almost everything from communicat­ion systems, sail and rig adjustment­s, foil adjustment­s and data read-outs.

Without functional electronic­s, you cannot sail these yachts.

Many of these systems on Patriot will need to be replaced. I am sure they will have some spares but it will not be as simple as a change out from the saltwater-damaged component and a “plug and play” replacemen­t.

American Magic’s first AC75 Defiant is at their Auckland base but she has been decommissi­oned and many of the parts will have been taken off her and fitted to Patriot.

I do not think going back to Defiant is their best option. It will likely take as much work as repairing Patriot, and Defiant will not be fast enough to be competitiv­e anyway.

The good news? Patriot showed she is fast in the higher wind strengths. In addition, the semifinals are likely where American Magic would have ended up at the end of these round robins anyway, given the 4-0 start from Ineos Team UK. So the pathway for them is no different.

Win the semifinals (a best-ofseven race series) and you get a shot at the Prada Cup and becoming the challenger for the 36th America’s Cup.

Their situation is not ideal but it is doable, and what a story that would be.

 ?? Mark Orams opinion ??
Mark Orams opinion

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