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propulsion

Bluewater Prep

Prepping a boat for bluewater travel is an order of magnitude more challenging than typical weekend boating or even coastal cruising.

Find The Perfect Engine Load For Your Cruiser

What’s the best cruising speed for my boat? Am I running my motors too hard, to the point that something is going to break or they’ll wear out prematurely? Searching for the Sweet Spot: Do you know the best cruising speed for your boat? If not, here’s how to find it.

The Science of Hybrid Propulsion: Part 1

If you’re curious about hybrid technology on the water, sit down, roll-up your sleeves and enjoy your first lesson from one of the world’s foremost experts, Nigel Calder.

How To Tweak Your Props To Make Your Boat More Efficient

Most boaters would like to go a little faster and burn a little less fuel, but some take this desire to a whole new level. For the average boater, a ten-percent improvement in top speed works out to maybe three knots; could tweaking your props in search of their sweet-spot hold the key?

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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