The Quiet Season, Part 1: What the Ice Asked of Her
Vanguard came back from Greenland with everything working. The work list still ran to some sixty items.
That is not a contradiction; it is the point. Sea time is the most honest surveyor there is. 7,450 NM to Disko Bay and back, through ice and Hurricane Erin, produces a notebook full of judgements: what earned its keep, what could be better, and what should never have been aboard. We took the quiet season Fort Lauderdale, autumn 2025 through the Q1 2026 haulout and answered every line.
This first part covers the repairs: what the voyage demanded. Part 2 covers the choices of what we improved, removed, or redesigned because experience said so.
Area | What was done | Why |
Hull | Soda-blasted, faired, hard-coat antifoul; new anodes | Not a mark from the ice; ablative coating wrong for a boat that runs |
Stabilisers | Port outer rotor replaced (sacrificial, icecontact) | Cheap fix by design; ran fine on one unit down the US coast |
Shaft line | Stbd shaft reset; seals renewed; rope cutter replaced | Dyneema wrap at Rockport |
Deck hatches | ER & forepeak hatches replaced with commercial Hercules units on cover plates | Boarding sea drove ER hatch through its gutter welds, entering the Gulf of St Lawrence to dodge Erin |
Exhausts | Stripped; rebuilt lighter with better insulation | Flange bolts loosened with thermal cycling; hot, dirty ER |
Heating & hot water | Water heater rebuilt; diesel heaters serviced, fuel pipes re-routed | A hard Arctic season on both |
Watermaker | Being replaced by a smaller commercial unit, same footprint, less power | Membranes aged by a yard error at build |
The Ice, and the Hull That Shrugge
Start with the ice itself. In high-latitude work, collision with unyielding ice is inevitable — and sometimes necessary, when the way through is the way through. What matters is what the hull does about it. Vanguard came home without a single mark beyond scuffed antifoul and one missing stabiliser rotor. An aluminium hull that shrugs off that abuse is not a common sight, and credit to the yard for that aspect of the build. Structure is where they got it right.
The rotor tells the same story from the other side. At haulout we found ice contact on the port stabiliser and replaced the outer rotor — which sounds dramatic and isn't. The rotors are sacrificial by design and cheap to renew: the appendage takes the hit so the hull never does. Nice engineering. Better still, Vanguard ran contentedly on a single stabiliser all the way south down the US coast. Redundancy you have actually used is the only redundancy you can trust.
Below the waterline we kept it routine but thorough: we soda-blasted to bare aluminium, faired, and recoated with a hard antifoul in place of the original ablative — the right coating for a vessel that earns her keep underway. New anodes throughout.
Rockport, and a Bullet Dodged
The shaft-line work has a backstory. Running astern while anchoring at Rockport, we took in the tender's Dyneema tow line complete with its shackle. It dislodged the starboard shaft 25mm astern and smashed the rope cutter outright. And here is the remarkable part: the shaft tested firm in its coupling, so it stayed in that set — and held for another 4,000 NM home. We dodged a voyage-ending bullet and knew it.
The refit settled the account: both shaft seals renewed with a double-supply type for improved cooling flow, and a new rope cutter fitted to the starboard shaft, in the water, by a diver. The sea rarely sends a warning twice. When it does, you act on the first one. Hatches — A Lesson from the Gulf of St Lawrence
Not every lesson waited for the haulout. This one was Hurricane Erin's doing, though at one remove: we had turned into the Gulf of St Lawrence to avoid her full impact, and just as we entered, a large boarding sea landed square on the engine-room hatch and drove it down through the welds in its gutter — a moment in which you learn very quickly what you think of a fitting. The yard-procured design had proved vulnerable, and once one had failed we replaced both: the broken engine-room hatch and its identical twin in the forepeak. In their place went commercial Hercules units, a design we already trusted from service on Vanguard's swim platform. We made cover plates so the new hatches could be cold-fitted to the slightly larger original openings, and Ispecified marine-grade aluminium bolts — we had seen galvanic corrosion on the old hatches' fasteners, and these are vulnerable, frequently wet locations where dissimilar metals are best avoided. So far at least, the choice is working well. A hatch is a small thing until the sea tests it.
Then it is the only thing.
Exhausts — Heavy Is Not the Same as Strong
The exhausts were the season's bigger lesson. The originals were built from heavy-gauge steel pipe with large bolted flanges and the bolts could never be preloaded enough to stay tight through thermal cycling. Every heat-up worked them loose; gas found the gaps. We stripped the lot and
rebuilt to a lighter design with far more effective insulation. The results are measurable where it counts: cleaner air filters and a noticeably cooler engine room. Heavy is not the same as strong.
Sometimes it is just heavy.
The supporting cast followed: we rebuilt the water heater with a new element, cleaned the diesel heater combustion units, and singled and re-routed their fuel pipes. A hard season in the north leaves fingerprints on every system that makes heat. The Watermaker — One Honest Exception
One item gets recorded plainly, because that is what this blog is for. The Delphin watermaker is being replaced. At build it was left full of salt water by the yard after commissioning, without a fresh-water backflush — treatment reverse-osmosis membranes do not forgive. We have repaired it
three times; the membranes are showing their age. We operate too far from the chandlery to carry equipment on probation. I have chosen a smaller commercial unit that fits the same space an draws less power — and whoever runs this boat next inherits it with zero hours on the clock, and a paper trail explaining why.
That is the repair ledger — the voyage's demands, answered. Part 2 is the more interesting half: the things we changed not because they broke, but because 7,450 NM told us they could be better. New propellers, a lighter driveline, and the discipline of taking equipment off a boat.
The voyage teaches. The refit is where you prove you were listening.
Excellent, Chris, and eminently practical. Kudos.