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...
Air Conditioning at Anchor
We often get this question. My car has air conditioning when I'm running down the street so why can't my boat? First, your car...
Calculating the Right Air Conditioner Size
Estimating size has always been tricky, because it depends on the insulation value of the boat, climate, and how quick you want the boat...
How To Connect Small Wires
The popularity of micro-electronics and LEDs has greatly increased the number of small wires on board, and whether the added eyestrain is a fair...
Testing VHF Coaxial
The loss in RF coaxial cable increases substantially and quickly, when there is water intrusion. Coax that uses foam dielectric, like RG8X and LMR...