Engineers

Adding jet propulsion to yacht requires weighing pros and cons

Water-jet propulsion can best be described as the propulsive force provided by the jet-reactive thrust of high velocity water ejected through a nozzle. This is similar to the propulsive drive…

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Various ways to remove water all amount to same thing: Do it during regular maintenance

By Capt. Jeff Werner Water is the most damaging contaminant found in diesel fuel. Growth of bacteria, mold, yeast or other types of fungi in a diesel fuel tank cannot…

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To get the most out of valves, know their type and check them often

When it comes to vessel maintenance, valves aren’t always appreciated for the vital role they play in a vessel’s functioning. In reality, it’s vital that they are properly maintained and…

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Solar powered fuel system onboard

Imagine you are the chief engineer aboard a superyacht, and the owner corrals you one day to talk about the new island hideaway she just purchased in the Bahamas. Her…

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Engine misfire largely to blame for vibration onboard

Vibration is easily attributed to misalignment, a bent shaft or a deficiency with a propeller. Often, though, none of these assumptions are true, and the true source of the problem…

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Annual ‘physical’ spares yacht’s diesel a preventable ‘illness’

By Capt. Jeff Werner We all understand the importance of completing an annual physical with our doctor. It is longevity. We all want to live as long as possible. Parts…

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Check your vibrations this summer

Before we know it, fall will be here. For the South Florida yachting industry, when fall hits, it’s time to focus on maintenance and, for some, time on the hard.…

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No cruising license, no problem

By Capt. Debora Radtke There is a misconception among many captains, crew and yacht owners that a foreign-flagged vessel cannot cruise in the United States without a valid cruising license. They…

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Fuel p­roduction often source of diesel engine problems

Over the past few years, there has been a sudden, dramatic and worldwide increase in filter clogging tendencies in engines. What has changed? Oil supply and environmental concerns have resulted…

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Diesel Digest: Diesel fuel algae might be sign that water has entered tank

Diesel Digest: by Capt. Jeff Werner One of the first things a tyro engineer learns when working aboard a yacht is to watch out for algae growing in the yacht’s…

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