whisper 50 catamaran

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Whisper Yachts 50: the perfect catamaran for the tropics from Symphony Marine

•   Motorboat Expert

Updated on July 17th, 2024

As we know, catamarans offer numerous benefits , many of which are obvious when it comes to solar power yachts. Only catamarans are able to easily carry a large area of ​​solar panels, which do not become something foreign in terms of design, but are simply integrated into the horizontal elements of the hull and superstructures.

Guy Marshal, the founder of Symphony Marine , who has vast experience in creating and developing technological know-how with high-profile brands such as BMW, Renault, Toyota, Oceanco, Vegayachts, KuschYachts, Burger Boat and Maiora, has supported the trend in the development of electric yachts, in which catamarans are a natural and logical solution to achieve maximum efficiency and comfort.

For help in creating a new line of yachts, Guy Marshal turned to the Berret-Racoupeau Design studio, for which the design of marine architecture and interiors of catamarans is one of the core areas.

The Whisper Yachts 50 is a perfect example of what a modern family cruising electric cat should look like, affordably priced yet offering incredible comfort comparable to the luxury and space of a superyacht.

At first glance, it becomes obvious that this catamaran is ideal for southern latitudes. Circular glazing, sliding doors and windows, plenty of relaxation areas, a full-width bathing platform and the very spacious master cabin are all important nuances in a hot climate. Which, of course, does not in the least prevent you from going to explore higher latitudes.

We also like the design of the catamaran itself, which, admittedly, is quite rare. In the case of Whisper Yachts, it can be argued that the yacht is really beautiful and stylish. All elements look great, including the flybridge and awnings with solar panels.

And, of course, it should be noted the ease of movement around the cockpit and saloon, which is facilitated by wide aisles and a smooth level difference. The 15-meter catamaran, which has a width of 6.6 meters, makes you feel comfortable and safe even during a long stay on board in blue water.

What about the technical part? Well, in the basic configuration, we have two electric motors of 100 kW each, which can be temporarily increased to 120 kW. The entire system runs on Torqeedo’s Deep Blue and is powered by 200 kWh BMW batteries. All this speaks of high reliability and performance.

The cruising range at a speed of 5-6 knots is not limited. With an increase in speed to 8-9 knots, the battery charge will last for 5 hours. If you want to sail even faster, you can use a 25 kW generator. Then the speed will reach 10 knots.

Symphony Marine will present their amazing catamarans at international boat shows, so don’t miss the opportunity to explore them in more detail.

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Whisper-Yachts 50

The success of Silent Yachts is being emulated, and that's surely a good thing! Symphony Marine is entering the electric catamaran market, but with more modest sizes from 40 to 60 feet, whereas the Silent range extends from 55 to 100 feet.

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Published 09/11/2021

By Emmanuel van Deth

Issue: SP17

Published: dec. / jan. 2022

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Issue #: SP17

Published: December / January 2022

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Guy Marchal, the founder of the Whisper-Yachts brand, asked Berret-Racoupeau Yacht Design to draw this environmentally friendly catamaran with 320 square feet (30 m²) of solar panels (6 kWp), a 200-kWh battery pack and two 100-kW Torqeedo electric motors. The Whisper-Yachts 50 should be able to provide “clean” propulsion at 5/6 knots. It can of course sail faster - up to 18 knots - but at that speed, recharging the batteries is necessary through the generator and/or the shore power. The deck layout does not seem to inhibit the surface area of the solar panels - many areas remain well clear. Inside, the nacelle offers a decent 375 sq ft (35 m²), generously bordered by sliding windows. The manufacturer offers a three or four-cabin version. Technical specifications: Builder: Symphony Marine Hull length: 46’3” (14.10 m) Beam: 21’8” (6.60 m) Draft: 28” (0.72 m) Light displacement: 33,730 lbs (15.3 t) Drivetrain: 2 x 100 or 120 kW Generator: 1 or 2 x 25 kW Fuel: 1 or 2 x 40 US gal (150 l) Cruising speed: 10 knots Maximum speed: 18 knots

www.whisper-yachts.com  

Tags : 

• Whisper-Yachts 50 , 
• Symphony Marine , 
• Berret-Racoupeau Yacht Design , 
• Electric catamaran

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Whisper 50, a high-end showcase to promote the electric catamaran

The Whisper 50 is the first model of a new brand of electrically powered catamarans. Designed by Berret-Racoupeau, it offers the comfort and silence of electric propulsion, combined with the most luxurious layout.

A new range of catamarans with electric motors

Guy Marchal is the head of Symphony Marine, a company he created in 2019 after several years of experience in prestigious superyacht yards, such as Oceanco. Today, he works in the construction of megayachts over 60 m and launches in parallel a range of catamarans with electric motors, Whisper Yachts .

The first model, the Whisper 50, has a total length of 15 meters. Its modern and elegant design is by Berret-Racoupeau.

"The catamaran is an ideal platform for electric propulsion. Its hulls offer much less resistance in the water than a monohull. It is also a guarantee of comfort, thanks to its stability and its living space. Finally, it also offers a large exterior surface to accommodate solar panels explains Guy Marchal.

"Electric propulsion: propulsion of the future

If he has chosen electric propulsion for his range - a 40-foot and a 60-foot are under consideration - it is because he is convinced of the future of electric propulsion in boating.

"I have been observing electric technology for 8 years now. It offers ecological, comfort and maintenance advantages. When sailing, the silence of electric propulsion is incredible. The torque is immediate, so you can sail very comfortably at 6 knots, as well as at 12 knots and reach a maximum speed of 18 knots if you want. With a combustion engine, you have to respect the engine speeds, whereas the electric motor is efficient at all speeds. I definitely think that this is the propulsion of most of the boats of the future explains Guy Marchal.

The Whisper 50 is equipped with two 100 kW Deep Blue motors from Torqeedo, powered by a 200 kWh BMW battery pack. It is possible to boost the power to 2x120 kW to reach 18 knots in a short period of time. 30 m 2 solar panels producing 6 kW provide the necessary energy, in addition to a 13.2 kW shore power outlet and a 25 kW back-up generator.

According to the shipyard, the autonomy is unlimited at a speed of 5 to 6 knots, the recharge being ensured by the solar panels only. Between 8 to 9 knots, the autonomy increases to 5 hours, always without CO2 emission.

The Whisper 50 offers an autonomy of 8 to 10 hours at a speed of 9 to 10 knots with the 25 kW generator. Finally, at a maximum speed of 18 knots, the autonomy is one hour maximum, still with the generator. A speed that we will privilege in case of emergency.

A luxurious semi-custom layout

In terms of layout, the Whisper 50 has a large cockpit with a sunbathing area over the swim platform. The cockpit space is protected by a rigid roof that can be completely closed by insulating glass if necessary and extends the space of the interior lounge. Two lateral meridian seats invite you to relax. The total surface of the main deck is 35 m2. There are also sunbeds and sofas on the flybridge and the forward cockpit. The hulls can accommodate between 3 (owner's hull version) and 4 cabins.

Series construction

Made of vinylester and fiberglass with carbon reinforcements to optimize weight, the Whisper 50 will be manufactured in semi-custom series. The owner will be able to choose to customize his boat, especially in terms of decoration and cabin version. Guy Marchal intends to offer a high level of finishing and a production of luxurious quality, close to the environment in which he currently works. Two shipyards are currently being considered to build the range, one in Italy, specialized in the manufacture of luxury yachts and one in France, known for the production of catamarans.

"By proposing a complete range, and in particular a 40-foot model, we want to convince the market of the usefulness and merits of electric propulsion . The more electric boats there are on the water, the more this propulsion will be democratized. Today, many anchorages are polluted and inaccessible. We want to avoid this and offer the possibility to a maximum of people to consider the purchase of an electric boat", concludes Guy Marchal.

A high-end positioning

A possibility that requires a certain budget, however, since with a luxury positioning, the Whisper 50 has a price excluding taxes of 1.4 million euros with many standard features such as the teak platform for example. A first model as well as a virtual visit system will be available in Düsseldorf in January 2022.

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Yacht muni d’un moteur 100 % solaire

Le meilleur yacht à moteur solaire, permettant une expérience de navigation plus facile, confortable et respectueuse de l’environnement.

Maître-bau 24,6 pieds

3 packs de batteries de 80 kWh chacun

Autonomie illimitée à 5-6 kn

Développé ces 4 dernières années dans l’optique de protéger l’environnement. Les batteries sont chargées via des panneaux photovoltaïques, un générateur de secours ou via l’alimentation à quai.

N’émet aucun gaz à effet de serre, contrairement aux yachts munis de moteurs à combustion.

Le Whisper 50 utilise 2 moteurs électriques reliés à des arbres de transmission. Ces moteurs électriques sont alimentés par un pack de batteries de 240 kWh.

90 % d’économies par rapport aux moteurs à combustion. Une propulsion électrique très simple et de conception basique : aucun échappement, aucune boîte de vitesse, aucun mouvement mécanique et très peu de chaleur.

Volume équivalent aux yachts à moteur monocoque, plus grands. Suffisamment d’espace pour un confort à l’intérieur comme à l’extérieur. Yacht très stable pour plus de confort : les outriggers coûteux ne sont plus nécessaires.

À vitesse maximale, le Whisper 50 peut atteindre 15 nœuds.

• Pont supérieur 24 m²

• Salon principal 43 m²
• Arrière et cabine de pilotage latérale 15 m²
• Cabine de pilotage avant 8 m²

• Cabine des propriétaires 25 m²
• Zone invité(e)s 19 m²
• Zone équipage 4 m²
• Longueur de coque 15,00 m (49,22 pieds)
• Maître-bau 7,50 m (24,60 pieds)
• Tirant d’eau 0,92 m (3,01 pieds)
• Tirant d’air 5,95 m (19,52 pieds)
• Déplacement (lège) 22 t
• Vitesse max / croisière 15/10 kn
• Alimentation électrique 240 kWh
• Motorisation électrique 2 x 100 kW (Boost 2 x 120 kW)
• Générateurs de secours 2 x 20 kW (option 2 x 35 kW)
• Carburant 300 l
• Cabines 3 (4 en option)
• Eau douce 400 l

Le Whisper 50 dans le détail

40 m² de panneaux photovoltaïques

Plateforme de baignade sur toute la largeur (7,5 m)

Cabine de pilotage arrière

Porte d’accès au salon extérieur

Portes transversales coulissantes et fenêtres à guillotine pour fermer ou ouvrir entièrement l’espace, avec une protection solide.

Vue de la mer à 360 °

Jusqu’à 4 cabines invités et skipper

Grâce à la propulsion électrique silencieuse, il est enfin possible de voguer au son d’un simple murmure, sans pollution sonore !

Un cahier des charges exigeant.

Whisper Yachts a choisi le rapport profil / longueur / largeur / tirant d’eau optimal pour que la coque fende l’eau au mieux, en subissant le moins de résistance possible. L’arrière de la coque est surélevé de manière à favoriser une action horizontale des hélices sans sacrifier le tirant d’eau.

Les matériaux de la coque et des superstructures font eux aussi l’objet d’une attention particulière. Whisper Yachts et Berret Racoupeau mettent en œuvre les techniques composites les plus avancées pour atteindre l’équilibre parfait entre confort et légèreté.

Une production annuelle limitée

L’équipe de Whisper Yachts est extrêmement minutieuse. Pour une qualité finale élevée et des finitions exclusives, nous avons décidé de produire un nombre limité de modèles.

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• This New 94-Foot Foiling Catamaran Can Fly Across the Seas at Over 50 Knots

Voodoo's new XF95 also has a range of 3,500 nautical miles.

Rachel cormack.

Digital Editor

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Voodoo Yachts has conjured up some more marine magic.

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The X95 can be equipped with two engines rated at either 2,000 or 2,600 hp. The latter option enables a cruising speed of 37 knots and a top speed of 45 knots. Voodoo says there is also another, more powerful setup that results in a top speed of more than 50 knots. In terms of range, the vessel can cruise for 1,200 nautical miles at 30 knots or cover 3,500 nautical miles at eight knots. Owners can add a larger tank to increase the range or install a large solar array to generate clean, green power at sea.

With a beam of 31 feet and an interior volume of 245 GT, the X95 offers nearly 5,400 square feet of space on board. The yard says the spacious living quarters are on par with yachts spanning 118 to 125 feet. The model is highly customizable, too: Owners can opt for an enclosed or open bridge and choose between several different layouts.

As standard, the yacht is outfitted with five guest staterooms and two crew cabins. One configuration has a full-beam owner’s suite in the bow of the lower deck, four en suite guest cabins amidship, and a garage aft. The main deck features a large salon and dining area, while the upper deck showcases a plush lounge. Owners can add other interior features such as a sauna, gym, or home theatre.

Marine magic, indeed.

Rachel Cormack is a digital editor at Robb Report. She cut her teeth writing for HuffPost, Concrete Playground, and several other online publications in Australia, before moving to New York at the…

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