Systems & Propulsion

The Best Solution to E-15? Stay Away From It

    1. To ensure clean fuel we added a mower filter on our 3.5 horsepower Mercury. This motor had only an in-tank strainer and required...

Plastic Tank Report

The leading cause of death of metal tanks, on land and at sea, is corrosion. Industry standards for fuel tank farms require internal inspections...

Can Diesel Damage Fuel Lines?

The answer is yes, given the right conditions (including an undisirable mix of metals in the system), and enough time, untreated diesel fuel can...

Marine Fuel Filter Test

Diesel engines have evolved into incredibly reliable power sources. Change the oil, mind the charging system and batteries, and most importantly, always give them...

Cannister Dissection Yields Surprises but Few Defects

Different filter manufacturers can chose different rating systems that rely on different statistical values for filtration. The higher the percentage at a given rating,...

Ultraflex Debuts Variable Speed AC

In the June 2018 article Air Conditioning for Sailboats, we compared several options for 12-volt air conditioning on boats, and more recently we looked...

Preventing Electric Shock at the Dock

The human body runs on electricity and if you overload the nervous system with an external field, everything goes haywire. Every year several people...

Batteries, Cleaners & More

As a subscriber, you have free access to our back-issue archive-more than 2,000 articles. Here are a few topics you might find relevant this...

Marine Oil Filter Comparison Test

We've followed countless debates about the best engine oil and the right time of year to change it, as well as quite a few...

Mailport: fuel tanks, chain hooks, bilge pumps, and hypothermia

Fuel Tank Wisdom Simple tank fill advice from an old fuel oil delivery guy - when filling your boat diesel tank listen to the sound...

Universal Diesel Engines – What You Should Know

This week we take a look at the Universal Diesel Sailboat Engine and its history including the Atomic 4 sailboat engine followed by the...