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Fuel Systems

Fluid Analysis Saves Time and Money

My first encounter with fluid analysis was as a young sea cadet. One summer I was fortunate enough to spend a few weeks aboard a U.S. Navy destroyer.

Primary Fuel Filters

In the world of marine fuel filtration there’s no shortage of opinions on the right, most reliable, and most effective set-up. There is one area,

Letters To The Editor

Anchor Scope In her anchor-dragging story, “The Perils of Amateur Cruising” ( PMM April ’08), Kay White states they used a 7:1 scope by putting

NMMA Update On Ethanol In Boats

As many of you may know, in the spring of 2009 Growth Energy, a pro-corn ethanol lobby group, petitioned the Environmental Protection Agency (EPA) to

A Primer on Gasoline Power

THE FOUR STROKES Nearly all inboard gasoline engines, virtually all automotive engines (the old East German Trabant, a notable exception) and many outboard engines are

Can You Bleed?

A few years ago I received a somewhat frantic call from a client who was cruising (or not cruising as it turned out) aboard his

Fuel Filter Micron Ratings Explained

Not long ago I received the following note from a reader; it echoes questions I’ve been asked on this subject literally hundreds of times, and

Absolute 70 Fly

Absolute 70 Fly Reviewed

Twin 1,000-hp Volvo Penta D13s and 285 nautical miles of range give the new Absolute 70 Fly the room and speed to roam.

Twin delivery captains Assen and Nikolay Alexandrov standing on the bow deck of a motor yacht docked alongside a pier.

The Twins

After more than 500,000 nautical miles as yacht delivery captains, Assen and Nikolay Alexandrov are still bringing boats home.

Alt Text: A close-up view of two polished stainless-steel windlasses and anchor gypsies mounted on the white foredeck of a yacht under a partly cloudy sky.

Anchors Aweigh

Windlass and ground tackle maintenance can make all the difference in an emergency.

A Garmin marine chartplotter display screen showing a digital nautical map with AIS vessel tracking, route waypoints, and navigation data overlay.

Understanding AIS

Good seamanship means using every available tool, but never relying on any one alone.

Three side-by-side screenshots from the Navionics app showing nautical charts of Hell Gate and Wards Island, contrasting a correct manually plotted water route on the left with two flawed AI-generated routes on the middle and right that erroneously plot course lines directly across land.

A Suspicious Plot

I used AI to chart a course through a notorious waterway. The results were unusable.

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