Candela C-8: The “Iphone moment” for electric boats

August 2021 Feature

Building on its first, successful sports craft, the Candela C-7, the Swedish tech company is now launching its second-generation hydrofoiling leisure boat: the Candela C-8, a larger and more comfortable craft designed to bring electric boats to the wider market.

The hydrofoil technology not only allows for long range on electricity, but the manufacturer says it also provides a better experience than conventional boats. "In a hydrofoil boat, you get a smoother, nicer ride. However, the C-7 was more like a hand-built sports car; never intended for volume production," says Gustav Hasselskog, Candela’s founder and CEO. "With the new C-8, we’re pushing the technology to the next level, and at the same time focusing on making a boat that has all the comfort you would expect, while designing it for efficient mass production."

At 8.5 meters length, the C-8 features all the amenities anticipated in a premium cruiser: A large, comfortable cockpit with seating for eight persons, a big sunbed, a spacious front cabin equipped with beds for two adults and two kids, and a marine toilet.

Cheaper To Own
At 290 000 euros excluding VAT, the C-8’s asking price is on par or lower than many conventional fossil fuel powerboats in the 28-29-foot range. However, once purchased, the C-8 is virtually free to own and use. Thanks to the company’s efficient hydrofoil system, the cost of driving Candela C-8 is 95 percent lower than for combustion engine boats.

Equipped with the newly launched Candela C-POD direct-drive pod motor, the C-8 requires neither oil changes nor regular maintenance. The C-Pod is rated for 3 000 hours service-free use, which is the equivalent to 50-100 years of recreational boating – without any maintenance whatsoever.

When moored, the C-8’s hydrofoils can be retracted above the waterline, minimizing growth and the need for antifouling. "It’s basically free boating, and hassle-free boating, for the first time in history," says Gustav Hasselskog.

Longest Electric Range Ever
The C-8 features a new and improved version of Candela’s revolutionary hydrofoiling technology that cuts energy consumption by 80 % compared to conventional boats, thereby allowing long all-electric range at high speeds.

Combined with Candela’s newly developed drive train, the C-POD, the C-8 can cruise for longer distances than any electric powerboat before it: over 50 nautical miles on battery power at a speed of 22 knots. The C-POD makes the C-8 the most efficient powerboat ever. At a speed of 22 knots, it only draws 16 kW/21 hp from the battery. For comparison, a conventional, planing, 28-foot cabin cruiser is typically equipped with a 300-horsepower gasoline outboard motor.

Elevated Driving
Candela C-8 is designed to be the first totally silent motorboat. Unlike other motorboats, there’s no transmission noise and no sound from waves hitting the hull. Only the faint whisper of the wind will remind you that you’re cruising at a speed of 30 knots.

The C-8’s Flight controller automatically and instantly adjust the foils to keep the boat level and steady, even in adverse weather conditions. In an industry-first for leisure boats, the C-8 is equipped with true fly-by-wire steering and has Autopilot features for more relaxed driving over long distances. When the driver lets go of the wheel, the boat will automatically steer the set compass course. More features will follow as the C-8, like every Candela, is upgradeable Over-The-Air.

The Candela engineering team has also spent considerable effort on optimizing the C-8’s hull. Using advanced CFD, the C-8’s stepped hull is designed to use very little energy from standstill up until 16 knots, which is when the boat becomes foilborne.

Fully Integrated Experience
The Swedish tech company employs 25 plus engineers from various fields, such as mechanical engineering, control systems, machine learning, software, electronic engineering and hydrodynamic design. All sub-systems and software in C-8 are developed in house, making for a seamless human-machine interaction.

Boosted by large investments from the TED foundation’s Chris Anderson among others, Candela has been able to scale up R&D at an exponential rate over the past two years. The C-8 project was initiated to finally bring electric boats to the masses.

Combining a price that is on par with fossil fuel boats with the benefits of electric hydrofoiling - superior seakeeping, total silence, very low operating costs, zero maintenance and a seamless user experience – Candela is expecting C-8 to be the first electric boat than will outsell fossil fuel competitors by a wide margin.

"We believe we will make several thousand Candela C-8’s over the coming years," says Gustav Hasselskog. "Once you have tried it, you realize that this is the way boats must look like in the future."

Candela C-8 production starts this fall at the company’s Stockholm factory, and the first customers will take delivery during spring 2022.

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