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Icône Costs & Funding
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Icône Technology & Innovation
Icône Thermal comparison
Environment

Are Weenav batteries recycled?

Zyonix batteries are recycled, currently at a rate of 95%.
Technology & Innovation

Are Weenav engines customisable?

The KRONOS motor can be customised to suit your preferences. Weenav offers the following colours: white, black, red, blue, green.
Safety & Reliability

Are Weenav motors and ZYONIX batteries waterproof?

Our ARION and KRONOS motors and ZYONIX batteries are IP67 rated.
Installation & Maintenance

Are Weenav motors designed for all types of boats?

Yes, KRONOS and ARION motors are designed for all types of boats, from pleasure craft to barges and commercial vessels.
Performance & Efficiency

Are Weenav systems compatible with long-distance navigation without compromising passenger comfort?

Yes, Weenav's electric propulsion systems are designed for long-distance cruising without compromising passenger comfort. Their quiet operation and absence of vibrations and odours provide a pleasant cruising experience, even over long periods.
Technology & Innovation

Are Weenav's solutions scalable, allowing customers to benefit from future innovations without replacing all their equipment?

Yes, Weenav solutions can be modular and our motors can adapt to new innovations, particularly in terms of batteries.
Performance & Efficiency

Are electric boat motors reliable?

Electric boat motors are very reliable because of their simplified design: they have around 100 times fewer moving parts than a combustion engine, which reduces wear and requires less maintenance. They have no translational parts, only rotating parts, which significantly reduces wear.
Environment

Are electric motors recyclable?

Electric motors and batteries used in marine electrical systems are recyclable. Batteries have an increasingly long lifespan and can be recycled up to 97%. Even after 3500 cycles, they maintain around 80% of their capacity. Materials such as copper, steel, and motor magnets can also be 95% recycled, contributing to sustainable resource management and the reduction of electronic material waste.
Environment

Are electric motors suitable for navigation in protected areas?

Yes, electric motors are well suited for navigation in low-emission areas due to the low discharge of hydrocarbons, quiet navigation, the absence of direct pollution and their energy efficiency. They contribute to the preservation of fragile ecosystems by reducing disturbances to marine wildlife and comply with the strict regulations of these sensitive areas.
Environment

Are electric motors suitable for protected marine areas?

Weenav electric motors are perfectly suited to maritime areas with thermal restrictions because they do not emit any pollutants directly into the waters. They produce no oils, no gasoline, no CO2, no odors, and are also remarkably quiet. This makes them particularly environmentally friendly and suitable for maintaining marine ecosystems in these areas.
Safety & Reliability

Are electric motors suitable for water sports?

They offer a peaceful and environmentally friendly sailing experience, perfectly suited to leisure activities such as fishing, sea walking, or boating.
Performance & Efficiency

Are electric motors sustainable at sea?

Yes, our electric motors are designed for use at sea and are therefore durable. They are certified waterproof and resistant to salt spray, which extends their lifespan. Engines can last up to 100,000 hours, subject to regular and proper maintenance.
Costs & Funding

Are there subsidies for electric motors?

Yes, you can receive subsidies for converting your boat to electric power. The amount of these subsidies varies depending on your navigation sector and type of boat. If you navigate inland waters, you will find all the necessary information on our page dedicated to subsidies. If you operate in the maritime sector, we also have specific information for you.
Technology & Innovation

Can I have full control of my boat on the screen?

The touchscreen interface turns on automatically when the system starts up, and all data is displayed directly on the screen.
Performance & Efficiency

Can I manoeuvre easily with an electric motor?

You can manoeuvre easily because our motors have all the power you need right from the first phase of acceleration.
Environment

Can I navigate in areas sensitive to greenhouse gas emissions with Weenav motors?

Thanks to ARION and KRONOS motors, restrictions in areas sensitive to greenhouse gas emissions are a thing of the past.
Customer service

Can I try a Weenav motor?

Our demonstration boat is available by appointment for test drives so you can experience the reliability and performance of our engine for yourself.
Safety & Reliability

Can Weenav respond quickly to issues with its motors?

As the system is equipped with a 4G module, we can diagnose problems with your boat remotely for faster and more accurate intervention.
Technology & Innovation

Can electric motors be connected?

The entire electric motor is interconnected and available on the Weenav mobile application. This allows you to have clear information and remote management of the boat's energy.
Safety & Reliability

Can you tow (buoy, wake) with the Weenav KRONOS motor?

Yes, our KRONOS outboard motor is perfectly designed to tow buoys, wakeboards or any other water sports equipment, thanks to its power and responsiveness. It offers optimal performance while ensuring quiet and eco-friendly navigation.
Safety & Reliability

Comment gérer les pannes des moteurs électriques en mer ?

Weenav peut intervenir à distance sur le système en cas de besoin, grâce à la fiabilité de ses moteurs électriques marins. En cas de panne qui ne concerne pas le moteur lui-même, les services de dépannage classiques peuvent alors intervenir pour résoudre le problème en mer.
Safety & Reliability

Do electric motors present a fire hazard?

Electric boat motors generally have less risk of fire compared to internal combustion engines, mainly due to their electrical operation without internal combustion. In addition, Weenav equipment is standardized and certified, which minimizes potential risks.
Environment

Do electric motors reduce noise pollution?

Weenav engines are known for their quiet operation, which contributes significantly to reducing noise pollution. This characteristic is essential for maintaining the tranquility of marine environments and minimizing impacts on sensitive aquatic fauna.

Indeed, silence promotes communication between species, prevents behavioral changes, limits physiological stress, physical damage and the impact on the food chain of the marine ecosystem.
Performance & Efficiency

Do electric motors reduce vibration while sailing?

Yes, electric motors significantly reduce vibrations during navigation compared to internal combustion engines. This reduction in vibrations improves on-board comfort and contributes to a more pleasant and less tiring sailing experience.
Installation & Maintenance

Do the batteries take up much space on the boat?

Our batteries can be distributed in packs, allowing the position of the batteries to be managed according to customer requirements in order to optimise space for maximum comfort on board.
Safety & Reliability

Does the Weenav motor comprise a cooling system?

A seawater cooling system is installed to cool the engine, inverter and on-board charger, ensuring optimal system operation.
Costs & Funding

How can I finance the conversion of my professional fleet into electric motors?

You can finance the conversion of your commercial fleet with a loan from your bank or another financial institution. It is also possible to take advantage of a zero-interest loan offered by Weenav's partner organisations.

In addition, several schemes are available to support your project:

- GATE (Groupe d’Appui pour la Transition Énergétique) supports river operators in their energy transition efforts, particularly for the electrical retrofitting of boats.
- PAMI (Programme d’Aide à la Modernisation et à l’Innovation de la flotte) finances the modernisation and electrification of commercial vessels to promote cleaner and more sustainable navigation.
- EECs (Energy Saving Certificates) also make it possible to obtain grants or subsidies for energy consumption reduction projects, including the conversion of combustion engines to electric motors.
Technology & Innovation

How can I find out information about my electric boat motor?

Your boat is fully connected to your phone, so you can monitor your boat's environment in real time.
Environment

How can we protect marine wildlife?

At Weenav, respect for nature is our priority. With our electric motor solutions, noise pollution that can disturb marine wildlife is a thing of the past.
Customer service

How do I contact Weenav technical support?

You can contact us for any questions via our telephone number or through the contact form.
Installation & Maintenance

How do I maintain my electric motor?

To maintain your electric boat motor at Weenav, no regular maintenance is necessary except for a periodic visual check of the exchanger. This ensures reliable operation and minimizes repair needs thanks to the robust design and reliability of the electric motor.
Performance & Efficiency

How do Weenav solutions enable maritime and river operators to differentiate themselves in their market?

Weenav solutions enable maritime and river operators to differentiate themselves by offering quiet and eco-friendly navigation, ideal for activities such as diving, while reducing costs and environmental impact.
Environment

How do electric motors affect marine biodiversity?

Electric motors do not disturb marine biodiversity because they do not produce any hydrocarbon emissions and operate silently. Their absence of direct greenhouse gas emissions and their low noise impact contribute to the preservation of marine habitats and to minimize disturbances for sensitive marine fauna. Thus, electric motors play a positive role in the conservation and preservation of marine biodiversity compared to thermal engines.
Performance & Efficiency

How do electric motors affect sailing performance?

Electric motors positively influence navigation performance by offering instant acceleration, rapid response to commands, and high fuel efficiency. They also allow for precise maneuvering and increased reliability thanks to their simplified design and fewer moving parts.
Technology & Innovation

How do electric motors improve boat handling?

The high torque of the electric motors allows optimal maneuverability of the boat, offering an immediate response to steering commands and facilitating precise maneuvers even in difficult conditions.
Performance & Efficiency

How do electric motors improve sailing comfort?

Electric motors improve boating comfort by significantly reducing noise and vibration, providing a quieter and smoother experience. Their instant response enables precise and responsive manoeuvring, improving ease of control and safety on board.
Performance & Efficiency

How do electric motors perform under difficult conditions?

The torque of electric motors is more powerful than that of internal combustion engines, which allows them to adapt effectively to all navigation conditions. This characteristic is particularly useful in dealing with strong currents, variable weather conditions, and specific propulsion requirements at sea. However, you must learn to use the engine carefully to avoid being surprised by its powerful propulsion.
Environment

How do electric motors reduce CO2 emissions?

Electric motors reduce CO2 emissions by completely eliminating the greenhouse gas emissions associated with the combustion of fossil fuels. By using electricity, which is often produced from renewable sources, they minimize their overall environmental impact. Thus, electric motors play a crucial role in the transition to more sustainable and climate-friendly navigation.
Thermal comparison

How do the costs of electric motors compare to those of internal combustion engines?

The costs of electric motors may initially be higher than those of heat engines due to battery technology and the production of electronic components. However, over the long term, the operating costs of electric motors are generally lower due to the reduction in fuel consumption, reduced maintenance, and the increased durability of modern electric motors and batteries.
Customer service

How do you get a Weenav electric motor repaired?

All you have to do is contact the Weenav team, and we will intervene to repair the engine.
Installation & Maintenance

How do you install an electric motor on a boat?

The installation of the electric motor is taken care of in the project estimate. We collaborate with numerous shipyards to equip your boat either directly in your usual yard, or in the one closest to your home port, thus ensuring an efficient and professional installation. So you don't have to worry about installing your equipment.
Safety & Reliability

How do you protect an electric motor against salt water?

The motor is IP67 certified, which means it is waterproof to submersion up to 1 meters deep for 30 minutes. In addition, it is coated with epoxy paint that is resistant to corrosion and salt water, ensuring effective protection in marine environments.
Installation & Maintenance

How do you repair an electric boat motor?

Electric motors are very reliable, so repairs are very rare. However, when they do exist, they often require the intervention of specialists to diagnose and resolve problems. The repair of an electric boat motor is generally done in your usual shipyard, with the intervention of Weenav teams depending on the nature of the failure.
Safety & Reliability

How does Weenav adapt its electric motorisation solutions to the specific requirements of each vessel, whether new or undergoing retrofitting?

Weenav has a design office that can assist you throughout the process of greening your vessel to meet regulatory requirements.
Costs & Funding

How does Weenav justify the initial cost of its electrical solutions compared to more conventional solutions?

Weenav justifies the initial cost with state-of-the-art motors and efficiency reaching 95%. But above all, a lifespan of 30 years and low maintenance.
Costs & Funding

How does Weenav support its customers in the process of financing and installing its electric motorisation solutions?

Wennav can assist you in submitting funding applications on the PAMI-Connect platform for GATE design office projects and PAMI-related re-engining projects.
Safety & Reliability

How does Weenav test its motors before they go on sale to ensure they meet the most stringent standards in the maritime industry?

Weenav motors are tested on test benches in our workshops and laboratories to ensure compliance with CE standards and regulations.
Technology & Innovation

How does choosing a Weenav electric motor reflect a strong commitment to innovation and the environment?

Choosing a Weenav electric motor means opting for a solution at the cutting edge of technological innovation, combining advanced performance with respect for the environment. It is a concrete commitment to sustainable and silent navigation, while promoting a modern and responsible image.
Safety & Reliability

How long are Weenav motors guaranteed for?

Our ARION and KRONOS motors come with a 2-year warranty.
Installation & Maintenance

How long does it take to install an electric motor?

The installation time for an electric motor can vary from 2 days for small boats, to 1 month for larger ones. The installation time also depends on the type of engine chosen, the installation of an inboard will take longer than that of an outboard. This estimate takes into account the complexity of the integration, the necessary adjustments and the coordination with the shipyard.
Performance & Efficiency

How long does it take to recharge an electric boat motor?

The charging time of an electric boat motor varies according to the type of plug used. At a fast charging station, charging takes a maximum of 1 hour. On the other hand, on a conventional outlet, such as the one often available in a berth, recharging may require overnight, or about 12 hours, depending on the number of batteries to be recharged and their capacity.
Safety & Reliability

How many recharge cycles do ZYONIX batteries have?

6,000 charge/discharge cycles from 0 to 100%
Costs & Funding

How much does an electric boat motor cost?

The price of the engine varies according to the power you want for your boat as well as the type of engine.
Costs & Funding

How much does it cost to maintain an electric motor?

Around €500 for every 20,000 hours of navigation. This is a general estimate of the maintenance cost for an electric boat motor. This amount may vary depending on engine specifications, operating conditions, and labor rates in your region.
Costs & Funding

How much does it cost to recharge my electric boat?

The average price for slow charging is between 10 and 15 cents per kWh. For fast charging, the price rises to 40 cents.
Installation & Maintenance

How often should an electric motor be maintained?

The frequency of maintenance of an electric motor depends on several factors, including the intensity of use and environmental conditions. In general, a complete overhaul is recommended every 20,000 hours of navigation.
Safety & Reliability

How reliable are electric motor batteries?

Lithium iron phosphate batteries are renowned for their reliability and durability when properly maintained, with a high charge/discharge cycle capacity and low self-discharge compared to previous technologies such as lead acid.
Safety & Reliability

How reliable are marine electric motors?

Marine electric motors are very reliable due to their simple design, with fewer moving parts compared to internal combustion engines. They require less maintenance, which reduces the risk of breakdowns and ensures consistent performance over a longer period of time.
Installation & Maintenance

How soon can I get the Weenav motor?

Your engine will be delivered and installed within a maximum of 7 months.
Customer service

Is Weenav present on social media?

Find us on Facebook, Instagram, YouTube, LinkedIn, TikTok.
Performance & Efficiency

Is an electric boat motor powerful?

Thanks to an electric motor, maximum power is available instantly from start-up, offering better performance than a combustion engine, particularly thanks to short-term power peaks.
Performance & Efficiency

Is electric boating comfortable?

Our motors produce zero odour, zero CO₂ emissions, zero vibration and zero noise, ensuring a pleasant sailing experience.
Technology & Innovation

Is it possible to configure the Weenav screen yourself?

You can configure the display yourself according to your needs.
Costs & Funding

Is it possible to obtain financing for the purchase of an electric boat motor?

We support you in purchasing your electric motor by offering financing through our partner banks.
Performance & Efficiency

Is navigating at night more enjoyable with an electric motor?

Boating at night can be more enjoyable with an electric motor because of its quiet operation that reduces noise distractions. This allows for a more peaceful and secure experience, without disturbing the nocturnal tranquility or the surrounding marine wildlife.
Performance & Efficiency

Is the Weenav motor quiet?

A completely silent engine that allows you to truly enjoy boating at any speed, listening only to the sound of the waves without disturbing passengers or marine wildlife.
Technology & Innovation

Is the Weenav screen easy to use?

The interface is designed to be as user-friendly as possible for the customer.
Installation & Maintenance

Is there a guide for installing an electric motor?

The installation of an electric motor is done by authorized shipyards, specially qualified to work with high voltage systems. This guarantees compliance with safety standards and regulations in force. It is therefore essential that this installation be carried out by experienced professionals in order to ensure safety and compliance with technical standards.
Technology & Innovation

Quels systèmes de gestion d'énergie sont disponibles pour les moteurs électriques ?

Weenav propose un système de gestion d'énergie Garmin, permettant une controlabilité totale de la gestion d'énergie et de chaque composants de chaque sous système.
Technology & Innovation

What advanced technologies are used in electric motors?

The advanced technologies used in electric motors are high-performance permanent magnets, vector control and oriented flow controls (FOC), advanced sensors, variable frequency drive (VFD), improved cooling, monitoring and self-diagnosis systems, modeling and simulation, modeling and simulation, modeling and simulation, compact optimized coil technology, compact optimized coil technology, optimized compact coil technology, cooling at the core of the rotor optimizing efficiency as well as the development of the dashboard with a connection of information between them.
Thermal comparison

What are the advantages of electric motors compared to internal combustion engines?

Electric motors offer several advantages over internal combustion engines, including greater energy efficiency, quieter and smoother performance, reduced maintenance due to fewer moving parts, a reduction in local pollutant emissions, and better adaptability to technological innovations such as advanced electronic control systems.
Technology & Innovation

What are the charging technologies for the electrical system?

Charging technologies for marine electrical systems include various options:

• Classic socket (single phase): Allows standard charging ideal for equipped docks. Adapted to slow recharges, often included in port infrastructures.
• 3-phase socket (32A): Offers charging power up to 22 kW. It allows significantly faster recharges for three-phase compatible boats.
• CCS Combo Jack: Fast to ultra-fast charging solution, up to 200 kW. It allows recharging up to 2C, i.e. from 10% to 90% in about 30 minutes.
• Optional: High power CCS combo : Extended version that can reach up to 300 kW for even faster charging needs.

These charging options provide flexibility for the varied energy needs of marine electrical systems, allowing charging times to be adapted to different requirements and conditions of use. We work hand in hand with AquaSuperPower, which generally installs a fast charging station when an electrification project is launched in a port.
Environment

What are the ecological advantages of electric motors?

Electric motors offer undeniable ecological advantages by reducing local emissions of exhaust gases and particulates, by reducing the carbon footprint through the use of renewable electricity, and by minimizing noise pollution, thus maintaining marine ecosystems. Their design with fewer moving parts and simplified maintenance also contributes to reducing the overall environmental impact while meeting strict environmental standards.
Technology & Innovation

What are the main criteria taken into account by Weenav for the design and engineering of its engines?

The design has been optimised to reduce water resistance, improve hydrodynamics and, in general, offer better performance and greater energy efficiency, while meeting the needs of maritime and river environments.
Technology & Innovation

What are the new electric propulsion technologies?

New propulsion technologies start with the improvement of LFP batteries with ultra-stable chemistry allowing 6000 charge/discharge cycles against 1200 previously.
Our MSAP motor (Permanent Magnet Synchronous Motor) is approaching perfection in terms of efficiency thanks to recent technological advances.
The energy management system that we have specially developed with Garmin to meet maximum needs is also a new technology proposed.
Being able to recycle components is also a real advance in reducing the environmental impact of your navigation.
Finally, fast charging technology is also a novelty in the world of electric boating.
Safety & Reliability

What are the safety standards for batteries?

All our batteries are DNV, UN3480, IEC 62619:2022, IEC 62619:2022, IEC 62620:2014, EN-61000-6-1, EN-61000-6-3 certified.
Safety & Reliability

What are the safety standards for electric motors?

Our electric motors comply with ESTRIN standards for inland waterways and the relevant division for maritime use, depending on the type of boat you have (Divisions 221, 222, 223 A and B, 224, 226, 240/NUC, 243, 245, etc.). All our boats are IP 67 certified (waterproof to a depth of 1 m for 30 minutes) and CE certified (Electrical Compliance).
Installation & Maintenance

What are the steps to convert a combustion engine into an electric motor?

At Weenav, we start with a feasibility analysis to offer you a commercial offer. Then, we assist you in the search for funding and grants. Once this step has been validated, we begin the certification and in-depth study of the system, including battery sizing and carbon balance analysis. After this study, we design the engine and perform tests on the test bench before installing the system in your usual shipyard.
Costs & Funding

What assistance is available for electric coastal navigation?

With regard to coastal areas, financial assistance may be available depending on your region. To find out if you are eligible, please do not hesitate to contact us.
Costs & Funding

What assistance is available for electric navigation on inland waterways?

You can receive a subsidy of up to 90% for a study on greening your fleet and 70% for converting your boat to electric or hybrid propulsion.
Performance & Efficiency

What feedback have you received from nautical professionals regarding Weenav's innovation and expertise?

Boating professionals appreciate Weenav's expertise for its innovative, reliable solutions tailored to modern requirements, thereby supporting their transition to more efficient and sustainable navigation.
Costs & Funding

What financing options are available for electric motors?

Zero-interest loans are available through sector-specific organizations. We can put you in touch with them. Banks also offer financing options, but with more traditional rates.
Environment

What government incentives can customers benefit from when investing in Weenav solutions?

More and more lakes are imposing bans on motorised boating, as are tourist sites such as the Calanques de Cassis and the Arcachon basin. Weenav engines allow you to sail wherever you want without restriction.
Safety & Reliability

What happens if there is a problem with the battery pack?

In the event of a problem with the ZYONIX battery pack, rapid intervention is possible thanks to the option of replacing only the defective brick. The after-sales service is available to handle this repair without having to replace the entire battery pack.
Performance & Efficiency

What high performance electric motors are available?

We offer two types of engines; an outboard motor and an inboard motor, each engine is offered in different powers. Our most efficient inboard engine reaches 400 horsepower, while for the outboard motor reaches 300 horsepower. These options ensure optimal performance for a diverse range of marine applications.
Costs & Funding

What is GATE?

GATE is a support group for ecological transition that can guide you in greening your fleet. Weenav is part of this group and can respond to all your study requests.
Installation & Maintenance

What is a retrofit?

The transformation of a thermal vehicle (car, boat, bus...) into an electric or hybrid vehicle, also called retrofit, involves the replacement of the combustion engine by an electric motor or the integration of a hybrid system. This includes installing batteries, an electric motor, controllers, and other components needed to provide electric propulsion. This process reduces greenhouse gas emissions while increasing the vehicle's fuel efficiency.
Environment

What is the CO2 emission rate of a Weenav electric motor?

The CO2 emissions of our KRONOS and ARION engines are 0g/h.
Customer service

What is the after-sales service offered by Weenav?

Weenav offers a two-year warranty (possible extension) and a remote after-sales service to diagnose the problem encountered, as well as an intervention by our teams directly on the boat if necessary.
Performance & Efficiency

What is the autonomy of an electric boat motor?

The autonomy of an electric motor varies according to the size of your boat and the power required. If you need more power, battery life will be more limited. A prior evaluation of your boat will allow you to obtain more accurate information. For personalized details, we invite you to contact us directly.
Technology & Innovation

What is the competitive advantage of the ARION Weenav inboard engine?

The competitive advantage of the ARION inboard engine is its modular power output, a motor designed for mobility (small and lightweight) and a system that can be adapted to hybrid technology.
Technology & Innovation

What is the competitive advantage of the KRONOS Weenav outboard motor?

The competitive advantage of the KRONOS outboard motor is a baseplate specifically designed for electric needs, an on-board charger integrated into the motor, and quick integration in just one day.
Costs & Funding

What is the cost of converting a combustion engine into an electric motor (Retrofit)?

The cost of retrofitting a boat varies according to the size of the boat, the power of the electric motor chosen and the desired autonomy. The price of the electric motor can be between €36,500 and €89,900, depending on the type of motor, to which must be added the cost of the necessary batteries. These prices may also vary depending on the technical specifications and options chosen for your conversion to an electric motor and the price of batteries on the market at the time of purchase.
Costs & Funding

What is the cost of maintaining an electric motor?

The annual maintenance cost of an electric motor is close to zero.
Thermal comparison

What is the durability of electric motors compared to internal combustion engines?

The electric motor requires less maintenance and has a less complicated composition, which means that it has a much longer lifespan.
Performance & Efficiency

What is the energy consumption of an electric motor?

Our electric motors range from 50 kW to 400 kW. At low speeds, consumption can drop to 10 kW, which ensures a minimum autonomy of 10 hours on any boat, depending on specific sailing conditions and battery capacity.
Performance & Efficiency

What is the energy efficiency of an electric motor?

The energy efficiency of an electric motor is very high, around 90% and up to 97%. This means that this percentage of the electrical energy consumed is transformed into mechanical work, with a relatively low loss of energy in the form of heat. In comparison, heat engines have a much lower efficiency, generally between 20% and 30%, with more of the energy dissipated in the form of heat instead of being used to propel the boat.
Environment

What is the environmental impact of Weenav electric motors?

French electricity provides 97% carbon-free energy through nuclear power and renewable energies. Once the system is in place, you will no longer be contributing to global warming.
Thermal comparison

What is the environmental impact of electric motors compared to that of thermal engines?

Electric motors generally have a lower environmental impact than internal combustion engines, mainly due to their ability to operate without direct local emissions (such as exhaust gases). However, their ecological footprint depends on the source of electricity used to recharge them. The use of electricity from renewable sources further reduces their impact, while thermal engines emit polluting gases and contribute to climate change, even with reduced emission technologies.
Performance & Efficiency

What is the feedback from professionals using electric motors?

Professionals report positive feedback on the use of electric motors, highlighting their low maintenance costs, increased reliability, and reduced environmental impact. They also appreciate the quiet operation and consistent performance of electric motors.
Technology & Innovation

What is the future development of electric motors for boats?

The future of electric boat motors is mainly focused on the evolution of batteries. Expected advances include an increase in the number of charge/discharge cycles, increased energy density, which will reduce weight, congestion while increasing the autonomy of electric boats and the possibilities of recycling them. These improvements will allow better adaptability to various maritime applications and a significant reduction in the environmental footprint of ships.
Environment

What is the impact of the maritime sector on CO2 emissions and how will it evolve in the future?

The maritime sector's impact amounts to over a thousand tonnes of CO2 per year and will account for 17% of global emissions in 25 years.
Costs & Funding

What is the long-term profitability of an electric motor?

The profitability of an electric motor is achieved within a period of less than 7 years (subsidies not included). This can be achieved by amortizing savings in fuel and maintenance costs compared to a combustion engine. The return on investment will depend on the use of the boat and the specific operating conditions.
Installation & Maintenance

What is the maintenance cost of an electric motor?

Around €500 for every 20,000 hours of navigation. This is a general estimate of the maintenance cost for an electric boat motor. This amount may vary depending on the specifics of the engine, conditions of use, and local labor and spare parts rates.
Thermal comparison

What is the maintenance difference between electric and thermal motors?

Electric motors require less maintenance than internal combustion engines due to their mechanical simplicity (fewer moving parts) and the absence of certain critical components such as oil filters, spark plugs, etc. Electric motor maintenance focuses primarily on maintaining electronic systems, batteries, and the motors themselves, with less need for mechanical adjustments or frequent replacement of parts.
Performance & Efficiency

What is the maximum speed that an electric motor can reach?

Our demonstration boat, a Capelli Tempest 770, reached a speed of 35 knots. Performance may vary depending on the engine model installed and sailing conditions. We are constantly conducting research and optimisation to offer engines that are increasingly powerful, reliable and durable.
Thermal comparison

What is the performance of electric motors compared to thermal engines?

The performances of electric motors are often superior to those of combustion engines in terms of instantaneous acceleration and torque from the start, thanks to their ability to provide maximum torque from the start.
Performance & Efficiency

What is the power range of Weenav motors?

ARION: 50 (37 kW) to 400 hp (375 kW) - KRONOS: 80 (59 kW) to 300 hp (220 kW)
Costs & Funding

What is the return on investment (ROI) of an electric boat motor?

For approximately 100 uses of the boat per year, the ROI is less than 10 years.
Thermal comparison

What is the return on investment of electric motors compared to internal combustion engines?

The return on investment of electric motors compared to internal combustion engines depends on several factors such as the initial cost, fuel and maintenance savings over the life of the electric motor, and the subsidies or incentives available. In general, although electric motors may have a higher initial cost, the potential long-term savings in fuel and maintenance can make up for this difference, leading to an attractive return on investment, especially in intensive uses or when energy costs are stable or falling.
Technology & Innovation

What is the technology behind Weenav batteries?

Our ZYONIX batteries are made from LFPSS (Lithium Iron Phosphate Solid State), which is the most efficient technology on the market.
Installation & Maintenance

What maintenance is required for an electric boat motor?

The maintenance of an electric boat motor includes a complete overhaul every 20,000 hours of navigation. It can be carried out in your shipyard (subject to partnership), without the need to be put out of the water. It is recommended that you check the water/water exchanger visually every year to ensure that it is not obstructed.
Safety & Reliability

What measures are in place in the event of a fire?

In the event of a fire, a nameplate is visible to indicate the equipment to be used and the location of the batteries for emergency response.
Safety & Reliability

What monitoring or alert systems are integrated into Weenav's motors to prevent technical incidents?

In the event of technical incidents or charging problems, you will be notified immediately on your Garmin interface or directly remotely on your telephone.
Environment

What solutions does Weenav offer for reducing underwater noise, and what impact does this have on marine wildlife?

Weenav offers electric and hybrid propulsion systems designed to reduce underwater noise, thereby minimising the impact on marine wildlife. These technologies enable silent navigation, preserving marine ecosystems and promoting harmonious coexistence between human activities and biodiversity.
Installation & Maintenance

What solutions does Weenav offer to simplify maintenance?

The design avoids wear parts and therefore reduces maintenance, simplifying servicing.
Installation & Maintenance

Where can I find maintenance manuals for electric motors?

The maintenance manual will be supplied with the complete electric motor system when installed. This will allow you to have all the information you need to ensure proper maintenance and extend the life of your electric boat motor.
Installation & Maintenance

Who are Weenav motors designed for?

Weenav motors are designed for both professionals and private individuals.
Safety & Reliability

Who can carry out high-power installations at Weenav?

The Weenav technical team is authorised and trained for high-power installations.
Costs & Funding

Who is GATE for?

Intended for all shipowners operating on French inland waters and lakes.
Environment

Why do electric boat motors not prevent communication between certain species?

Our electric boat motors are quiet and, unlike combustion engines, do not interfere with the communication of certain species such as dolphins and whales.

Need more information?

A technical question, missing information, or just curious?

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