Diesel Engines

The engine mounts on my Perkins M20 diesel needed to be changed. Luckily, they are accessible so I was able to change them myself with a few basic tools and new parts. If your engine is less accessible, you'll need to ask a professional to change the mounts. (Photo/ Marc Robic)

How to Change Your Engine Mounts

It is always discomforting when you know, and actually feel, that something is not quite right. For a little while now, while navigating under...
Compression tester set up for testing. The hose is screwed into a glow plug hole after removing a glow plug. Note: This is a mock up to illustrate the tester placement, but this is a tester for a gasoline engine, not a diesel because it only goes up to 300 psi. A diesel tester would go up to 1000 psi. Also, ALL of the glow plugs should be removed, not just one. In addition, the hose is not actually screwed in because the fitting is the wrong size. (Photo/ Phil Decker)

How to Do an Engine Compression Test

An engine compression test is an important diagnostic test that any boat owner can do with equipment that costs about $50. You can also...

Diesel Performance Additives

We think of ourselves as sailors, but we all depend on reliable power to propel us in and out of harbor, through calms and...

What Oil Analysis Reveals About Your Engine

We've all heard that if you give a diesel good clean fuel, keep it cool, and stay on top of the oil changes, its...

What Your Boat and the Baltimore Super Container Ship May Have in Common

When the mega container ship Dali struck the Francis Scott Key Bridge at 1:28 am on Tuesday, March 26, the world saw a remote...

Reducing Engine Room Noise

Noise impacts individuals differently. If your sailing partner complains about a noise that doesn't really bother you, it might not necessarily something that they can simply get used to. You will have to address it through active sound reduction measures. There are three basic approaches to making your boat quieter. The first step is to use flexible mounts to isolate the vibrating machinery from the hull. These help prevent the transmission of vibration through the solid structure of the boat, and the consequent reverberation of hull sections that can act like amplifiers. Correcting any engine-shaft misalignment will certainly help. The next step is to surround the noise-producing machinery in a tight, insulated enclosure to reduce air-transmitted noise. The final step is to line enclosed living quarters, such as cabins, with sound-absorbent materials.

Marine Diesel Repower Part 3: Sea Trial

This is the last of a three-part series describing the planning and installation of an inboard diesel engine in my previously engine-free Cape Dory...

Diesel Repower From Scratch Part II

This is Part II of a three-part series detailing the installation of a complete inboard engine system into our highly modified Cape Dory 36...

Diesel Repower From Scratch Pt. 1

This is a multi-part article detailing the installation of an inboard diesel engine into my modified Cape Dory 36 Far Reach. I rebuilt the Far Reach from...

Rhumb Lines: The Diesel Engine Dilemma

As the threat of global warming is forcing policy makers around the world to explore ways to wean their economies off carbon based energy...

Beneteau 42CC The Center Cockpit Comeback That Didn’t Catch On… But...

If you’ve ever wondered what happened to center-cockpit cruising sailboats—and why they disappeared from mainstream production—today’s review takes you right into the heart of...

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