propulsion

An Inexpensive Piece of Gear Can Diagnose an Engine’s Illness; Both cheap and easy to use, a handheld pyrometer could be one of the most useful tools in your collection.

High-tech engine oils are touted as the latest thing to protect against wear, but do the benefits translate to marine engines?

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.

In the second half of Nigel Calder's Hybrid series, the author argues the hybrid technology is not just about propulsion, but supporting comforts.

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.

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?

So you’ve found your next ultimate boat—you know, the one you’ll never sell. Just like the last one. Buying a boat? Add these steps to your engine survey to make sure there are no ugly surprises later.

What’s Next for Marine Propulsion? Think beyond internal combustion to see what will make boats go in the future.