Archive For The “Technical” Category

Windshield Wiper Replacement

Windshield Wiper Replacement

On investigating a windshield wiper problem a few weeks back, the wiper arm literally fell apart in our hands due to corrosion. So we needed four new Exalto EX2108 adjustable length pantograph wiper arms. We searched on-line but all the listings we found were up over $200. Paying $800 to replace 4 wiper arms just…

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Samsung QN55Q70RA

Samsung QN55Q70RA

When we ordered Dirona back in 2009, we replaced the standard port-side settee with a custom TV lift sized to handle a 46-inch flat-screen. And during commissioning in Seattle, we installed a Samsung LN46B750 46-inch TV, which was reasonably state-of-the-art at the time. While we’ve had some troubles with the TV lift, the Samsung TV…

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Spitfire Arraow the World

Spitfire Arraow the World

When we first started planning our boat trip around the world, we expected that cruising internationally with our cat Spitfire would limit the countries we could visit, because we did not want to subject him to lengthy quarantines. In reality, the French territory of New Caledonia was the only destination that we opted not to…

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Fuel Cooling

Fuel Cooling

On arriving into Nuku Hiva in the Marquesas Islands in 2013, the fuel temperature in our supply tank had climbed to 180F (82C). What was happening is the engine circulates about 50 gallons per hour and yet only burns a tiny fraction of that.  Most of this fuel flows through the engine fuel system and…

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Maretron Firmware Upgrades

Maretron Firmware Upgrades

Readers of our blog know we’re heavy Maretron users and big fans. The products are well-priced and easy-to-use, with great customer service. Read more about our Maretron usage at Maretron N2KView on Dirona. Firmware upgrades to any company’s devices are always risky, so we typically try to avoid them. But firmware upgrades sometimes are necessary,…

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METS 2019

METS 2019

METS (Marine Equipment Trade Show), held annually in Amsterdam over three days, is the world’s largest boats and marine equipment trade show. This year’s attendance reached 17,792, with 1,670 exhibitors from around the globe. Exhibitors range from superyacht builders and marine yards, to yacht designers, to engineering and composite products companies, to manufacturers of anything…

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Kar-Tech Mini Guider Proportional Calibration

Kar-Tech Mini Guider Proportional Calibration

The Kar-Tech Mini Guider is a good wireless remote control for the Steelhead ES-series of cranes including the ES-1000 and ES-1500. It’s easy to use and works quite well. For install instructions, see Steelhead Wireless Remote. Part of the installation is configuring proportional control, and the Kar-Tech instructions are a bit opaque. But once calibrated,…

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Windlass Maintenance

Windlass Maintenance

Our Maxwell 3500 windlass has performed flawlessly for us in a decade of use across thousands of anchorages around the world. To keep it that way, we disassemble and grease the top end every twelve months and change the oil every two years. Both were due recently. In taking the windlass apart, we found far…

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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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Oil Tanker Tour

Oil Tanker Tour

It’s getting increasingly difficult for the general public to see the details behind large commercial ships and even harder to tour chemical and oil tankers. Partly the crews are busy at work and partly there are safety and security concerns, but the net result is limited ability to see the details behind how these advanced…

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Northern Lights 12kW Generator Overheating

Northern Lights 12kW Generator Overheating

Over the last few months the generator running temperature has been slowly increasing. We were still below the 205F cut-off level, and the generator continued to run fine, but something clearly wasn’t right. The generator normally runs in the 192F to 193F range at full load and I have a warning set at 195 that…

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Aland Maritime Safety Center

Aland Maritime Safety Center

In the 26th edition of our Technology Series, we visit the Maritime Safety Center in Aland to see their facility and to learn more about the STCW (the International Convention on Standards of Training, Certification, and Watchkeeping) courses they offer. The Maritime Safety Center offers the wide variety of courses required by professional mariners to…

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Amsterdam Projects

Amsterdam Projects

Besides being a great place to call home, City Marina IJDok in Amsterdam also was convenient to complete a number of boat projects including replacing the Jabsco 34600-0010 bilge pump with Whale Gulper 320 High Capacity bilge pump, installing a new steering pump, and adding shorepower soft start. Some of the gear and supplies we…

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Hot Spots

Hot Spots

Years ago I was working in the lazarette on a hot day when I glanced up and saw a red LED illuminated on the DC panel. Normally, the Mastervolt DC distribution units have only green LEDs. I could still see the green LEDs on as usual but we also had a red light. I stopped…

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Warning Lights

Warning Lights

We love generator auto-start. It ensures a kicked-out power plug or power failure doesn’t take $6,000 worth of batteries through a deep discharge cycle and put thousands of dollars in frozen foods at risk. If a two-hour tender trip stretches out to the entire day, auto-start prevents damage to the battery bank. And auto-start avoid…

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