The Right Ratio
Many people think of multispeed transmissions as a performance or go-fast accessory for boats, but one manufacturer is hoping to make inroads with military or commercial applications of its three-speed… Read more »
Systems
Know the Flow
It’s a Sunday afternoon and you’ve got the water to yourself. After checking the gauges and seeing that everything is okay, you nail the throttles on your stepped-hull performance boat…. Read more »
GM Duramax Power
A Swedish diesel engine marinizer is now offering marine versions of General Motors’ popular 6.6-liter (403-cu-in) Duramax diesel offered in Chevrolet and GMC heavy-duty trucks. Sweden Marinediesel signed an OEM… Read more »
Bolt-on Diesel Power
Owners or buyers of boats with bracket-mounted outboards now have an alternative when it comes to powering their boat. Yanmar Marine of Adairsville, Georgia, and Armstrong Nautical Products of Stuart,… Read more »
Power Trip
Transmissions are often overlooked when people start thinking about big power for their boats, whether buying something new or re-powering. For years, the high-performance transmission of choice was the Super… Read more »
Batteries Not Needed?
A Swiss firm, Silicon Fire AG, is making some bold claims about replacing batteries, and conventional fuel, with hydrogen-methanol on board boats. “Electricity can be stored at any time in… Read more »
A Fix for Waterjet Fouling
March 1965. Forty-six years ago. That’s when Jack Hargrave came up with the then-unorthodox idea of combining supercharged diesels with waterjet pumps, along with a special steering system, and installing… Read more »
Generators Done Right
The change is noticeable. Just 15 or 20 years ago, generator-equipped boats under 40′ (12.2m) were a rarity. Today, gensets are available in diminutive sizes, making installation possible in locations… Read more »
Huckins Motoryacht With a Pod Drive
In Professional BoatBuilder No. 129, contributing writer Eric Sorensen reports on the repowering of a 1954-vintage Huckins Fairform Flyer by a crew at Yachting Solutions in Rockport, Maine. Noteworthy is… Read more »
Running Gear Alignment
Tips on adjusting the engine, bearings, and shaft for maximum efficiency Many consider running-gear alignment to be a black art. At a yard I once managed, I clearly recall watching… Read more »
