Systems & Propulsion

PS Advisor: Grounding and bonding

A client sent me an excerpt from your eBook “Marine Electrical Systems,” and I was a surprised to see the following line of thought. Use...

Coexisting with a No Discharge Zone

Sanitation systems aren’t the sexiest part of sailing, but they are, well… necessary. And although the risk of transmission of COVID-19 through means other...

Steady at the Helm

A sailboat’s steering system also plays a vital role in safety at sea. The failure of any key component can jeopardize boat handling and...

What Happens to Your Pumpout Waste?

California’s decision to ban sale or use of several chemicals found in marine products (above) is of interest to PS readers. After a careful...

In Search of Better Filters

Presumably, air cleaners are about dusty environments, and dust is a rare thing on the water. But is the engine room actually clean? We’ve seen...

Hidden Impacts of Metal and Fuels Chemical Stew

After years of testing fuel products and systems, PS began to suspect that mixed metals in the system could be causing harm. Industry standards...

Are Copper, Zinc, and Brass Mucking Up Our Fuel?

Something we have long noticed at PS is that gasoline and diesel control samples in our aging and corrosion studies never really age much....

Flexible Tanks Require Special Protections

What about fuel bladders? Fuel bladders must meet a higher standard than water bladders, but many of the findings from our water bladder test...

Gasoline Additives in the E-15 Era

Ever since we adopted improved fuel management methods, we've enjoyed a decade of no carburetor maintenance-not on the twin 9.9 hp engines that ran...

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...