Systems & Propulsion

Fabric Hatch Vents: The Breeze Booster Outdraws Windscoop

Theyre not for use underway, but hood-shaped fabric air scoops can be a godsend when theres but a slight breeze stirring the heat. Theres...

Electric and Hybrid Propulsion for Sailboats

How soon will electric auxiliary propulsion be available to everyman? That depends on whom you ask. Opinions differ widely not just on what type...

Fighting Sulfation in AGMs

In recent years, the popularity of absorbed glass mat (AGM) batteries has soared, yet few owners truly know how to take care of them....

Testing Marine Battery Monitors

Our test gear comprised a ProMariner ProNautic 12-40P battery charger; West Marine-branded, flooded-cell, deep-cycle battery with a 75-amp hour rating; and two 120-volt, 70-watt...

Solar-powered Bilge Pumps Bail Out Small Boats

SeaJouleBased in New York, SeaJoule Marine Inc. manufactures two solar bilge pumps, one with a fixed solar panel and one with a remote panel;...

Thoughts on Pipe

There is much confusion on pipe. Pipe is measured in nominal sizes that have nothing to do with any dimensions on the pipe, except...

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...

Alkaline Battery Tests: Results Say It’s Bedtime For Bunny

The last time we tested alkaline batteries (June 15 and November 15, 1995), we reported that Duracell dominated the market, with Energizer and Rayovac...

The Get-Home Sailboat Tool Kit

The tools and materials required to maintain and repair everything on a boat will barely fit in a room. Just the kit required to...

Wet-Cell 12-Volt Battery Test

We last looked at batteries in our October 15, 2000 issue, when we reported the results of a test of the AGM (absorbed...

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...