Moisture Rejection Closure by Zazz
Internal-combustion engines require air (oxygen) to operate (breathe), and at sea, wherever air goes, so goes water, or at the least, moisture. And for engines, that’s not good. The challenge… Read more »
Systems
Circuit Training: Improving Overcurrent Protection
I vividly recall my first encounter with overcurrent protection, or more accurately the lack thereof. As a teenage would-be marine electrician, with more ambition than knowledge, I’d wired a light… Read more »
The Latest in Hybrid Power: Two Twin Electric Options
Two noteworthy recent offerings at the high-power and low-power ends of vessel propulsion ranges come from Diesel Center in Italy and Hybrid Marine in the U.K. Both use twin electric… Read more »
Solving Sulfation
Recently I dealt with a case of battery sulfation aboard a vessel equipped with a one-year-old, 700-amp-hour, 12V absorbed glass mat (AGM) battery bank. Charge sources included a 130-amp inverter/charger,… Read more »
Editor’s Picks: The Best of IBEX and METS
When it comes to trade shows, the International BoatBuilders’ Exhibition & Conference (IBEX) and the Marine Equipment Trade Show (METS, in Amsterdam) are the pinnacles. There’s simply no other place… Read more »
Terminal Connector Compliance
Over the last 10 or so years, I’ve spent a lot of time digging into the electrical systems on new boats being imported to the U.S. from all over the… Read more »
Selecting Primary Fuel Filters
It’s the rare marine industry professional who hasn’t encountered a clogged primary diesel fuel filter, or had a customer who has dealt with one. It’s a fact of life if… Read more »
Deciphering the Ingress Protection Code
Several years ago I became aware of the American Boat & Yacht Council’s (ABYC’s) requirement for drip protection in Chapter A-31, “Battery Chargers and Inverters.” Section 31.5.5.2.1 states that chargers… Read more »
Pumping Out Prototypes
Among boat owners and builders the Whale brand has long been synonymous with marine pumps and their evocative model names, like Gusher, Gulper, and Orca. But there’s more to the… Read more »
Jim Wynne, Volvo, and History of the Sterndrive
At last year’s IBEX, in Louisville, Kentucky, Volvo Penta introduced a new line of 5.3L V8 gasoline engines for sterndrives. Its press release quoted president Ron Huibers as saying, “Volvo… Read more »
