This electric or hybrid-engined motorcat takes fuel-efficiency cruising to a new level. The finish and layout of current models might be a quantum leap ahead of where they were a decade ago, but conceptually little has changed. But with ever more emphasis on environmental concerns, pressure for change is growing in a motor boat world where 1mpg for a 40ft planing boat is the norm.
Enter Jan van Eck, the man Small Powerboat Racing 1.1 behind the DutchCat. Rather than wait for the mainstream builders to rip up the rule book, he has simply started without one and created what he believes to be the true future of motorboating. His vision starts with the hull shape.
It was seeing catamaran sailing dinghies consistently outperform monohulled ones that convinced Jan twin hulls were more easily driven. Of course, motorcats are nothing new but most existing powercats are far wider than monohulls of a similar length, making them unwieldy for inland use.
The Fountaine-Pajot 44, for example, has a beam of 6. The 41ft DutchCat comes in at 4. Similar blue-sky thinking has been brought to bear on pushing that ultra efficient hull shape through the water. Gel traction 48kWh batteries are standard, with Lithium ones an option. DutchCat claims about seven hours of cruising at 5 knots and about ten hours to recharge from a 16A supply.
Pure diesel is an alternative. Comfort-spec boats rely on a pair of Yanmar 3YM30 3-cylinder 29hp engines to yield about 11 knots flat out and cruise at 8 knots. Opting for the Sport hull configuration allows twin Yanmar 4BY3 hp engines to boost maximum velocity toward 22 knots.
Hybrid versions layer on an additional level of efficiency and autonomy. Electric hybrid takes the all-electric drive system and adds a diesel-powered generator, allowing the batteries to be charged while underway. We had the chance to try the diesel hybrid setup with twin 29hp Yanmars. Two hulls mean two bow thrusters � a pair of 55Kgf Vetus units combine with wide-spaced shafts to make wriggling out of Amsterdam Marina and on to the IJ fairly painless.
Despite being the first boat from this new company, it feels well engineered with commendably low noise levels at 2,rpm which equates to a 7-knot cruise. But to really drop the decibels, switching to all-electric is the way to go.
Under electric power there are two obvious differences. But so is noise. The closest comparison would be sailing, with the gentle gurgle of water around the hulls the only sound. This speed is more than adequate for inland waterways and should allow for 5. Taking diesel electric propulsion to a new level, Adler's 76 Suprema may just be too innovative for the yachting marketplace. So how does that efficiency translate to cost? Nonetheless, with the smaller diesel engines, the boat is burning under a gallon an hour at 7 knots, which is less than half that of the slightly longer but narrower hybrid-hulled Magellano 43 albeit without its knot top end.
With 1kWh of mains electric costing So is this the future? Combining the efficiency of a catamaran hull with the low-running costs of a diesel-electric hybrid makes perfect sense, particularly for inland cruising. I reckon DutchCat are on to something. Home Motor Boat news, boat reviews, pictures and videos. DMS's new flapping fins could become a staple for motor boats. Voltaire 33 Sky: This electric powercat is as eco-friendly as it is stylish. Sunreef Yachts expands range with new solar-powered boat options.
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