Systems & Propulsion

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...

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...

Cabo Rico 34 Boat Review

Are you interested in a 30 to 35 foot cruising sailboat? Looking at buying a Cabo Rico 38 or 34? This week we dive...

Latest Sailboat Review

Blue Jacket 40 Used Boat Review

When classical musicians start playing rock and roll, fans take note. When their first song's a hit, everyone listens to the lyrics. Bob Johnson,...