Posts Tagged “Nordhavn”

Steering System Maintenance

Steering System Maintenance

Here we step through the steering system on the Nordhavn 52, showing some of the wear points and the changes we have made to minimize these issues. Finally, we show the removal and replacement of the hydraulic steering rod end. This is the part that transfers force between the hydraulic cylinder and the steering arm….

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Replacing Lugger/Northern Lights PTO Clutch

Replacing Lugger/Northern Lights PTO Clutch

Many small Lugger marine engines and Northern Lights generators are equipped with a power takeoff (PTO) unit that can be used to drive accessories. Hydraulic pumps are a common use case for this PTO. These PTOs are equipped with electric clutches to allow them to be powered or unpowered at will. This is convenient, but…

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It’s a Head-Banger

It’s a Head-Banger

This is the story of those little metal tabs hanging down in the engine room of our boat, why they are there, how much they hurt when your head makes contact with them (and it will), and what we did about it. One of the things you almost never fully learn until you have owned…

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John Deere 6068 at 10,000 Hours

John Deere 6068 at 10,000 Hours

It’s hard to believe, but our “new” John Deere 6068AFM75 is now nearly 9 years old, has been around the world, and has now clocked up over 10,000 engine hours: Hours: 10075.1 Nautical miles traveled: 69,187 Fuel burn: 59,257.4 gallons Load factor: 44.2% Longest ocean crossing: 3,689 nautical miles (St. Helena to Barbados) Over the…

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Fuel Quality Differences

Fuel Quality Differences

When considering fuel quality, we’ve always thought first about water, rust, and other impurities in the fuel. Knowing we intended to travel the world and expecting poor quality fuel in the many less-developed countries we would visit, we left Seattle with 48 primary filters on board. What we have learned is that fuel quality is…

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Exhaust Cooling Fault

Exhaust Cooling Fault

The dry exhaust system on Dirona is well-built and reliable. The way it works is the stack heads up through the boat in a 5-inch pipe to release exhaust gas at the top of the stack. The exhaust pipe is enclosed in a larger pipe where it passes through the boat. This larger pipe provides…

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Southampton

Southampton

Prior to the thirty-one days in Southampton, the longest time we’d ever been in the yard was ten days. During our month-long Southampton yard trip we completed three major projects: replacing the muffler, rebuilding the crane, and replacing the cutlass bearings on the rudder shaft and the wing and main propeller shafts. We also completed…

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Cutlass Bearing Replacements

Cutlass Bearing Replacements

The final major project we completed at Saxon Wharf in Southampton was replacing the cutlass bearings on the rudder shaft and the wing and main propeller shafts. On inspection after removing the cutlass bearing, our main propeller shaft was badly corroded with some of the pits running quite deep, so we opted to replace it…

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Crane Rebuild/Remanufacture

Crane Rebuild/Remanufacture

A second major project that we completed while in the yard at Southampton was to rebuild our crane. It was in remarkably poor condition. The ram-to-extension bolts were siezed due to lack of Tuff-Gel application on the stainless screws in the aluminum casting; the linear winch had worn away all its bearing material, damaging the…

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Muffler Replacement

Muffler Replacement

We had a long list of projects to complete during our Southampton haulout at Saxon Wharf. One of the bigger jobs was to replace the muffler. Our old one turned out to not be in bad shape, and might have gone a few more years. But we couldn’t really know the state of the muffler…

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Control Systems on Dirona

Control Systems on Dirona

We run Dirona like a small apartment with little regard for power consumption, power load or power source. Right now we are moored at St. Katharine Docks in London plugged into 32A/50Hz power. But we run the same way whether we are plugged into 50A/60Hz power in the US or if we were anchored off…

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On the Hard at Saxon Wharf

On the Hard at Saxon Wharf

Boats have been damaged or destroyed during lift operations, so we’re always nervous whenever we haul Dirona out. We were impressed with the care Saxon Wharf took in the lift, including asking for exterior hull photos to could assess where to place the lifting straps. The operation went smoothly and by mid-morning we were safely…

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Dirona Around the World

Dirona Around the World

When we bought our first boat back in 1999, a coastal cruiser that we named Dirona, the salesperson asked how many hours a year we expected to put on. “Fifty, maybe a hundred” we replied. We both worked in busy software jobs in Seattle and weren’t expecting to be able to boat that frequently. We…

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Two Generators When You Only Have One

Two Generators When You Only Have One

The best way to have two generators is to actually install two generators. But two generators would be a tight fit in our engine room. Milt Baker proved on Nordhavn 4732 Bluewater that, with skill and forward thinking, you actually can fit two generators into a Nordhavn 47 or 52. It is a rare configuration. Most,…

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Alarms at 1:15am Follow up

Alarms at 1:15am Follow up

Six months ago I bolted awake at 1:15am to a shrieking high bilge water alarm while we were 50 miles south of the Grand Banks, in large seas, on passage from Newport, RI to Kinsale, Ireland. The quick summary is we got the problem resolved, but it took 11 hours, and we learned about a…

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North Atlantic Gales

North Atlantic Gales

On our 2,800nm North Atlantic passage from Newport, RI to Ireland we passed through three gales. The first two were in the initial week of the passage, before we turned the corner south of the Grand Banks. It was during the first gale that we battled a water ingress issue that set off alarms a…

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