Propulseur externe EX95S 70/95KG 24V — Sleipner EX95S

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Sleipner

EX95S

EX95S 70/95KG 24V External Thruster

The Sleipner EX95S 24V external thruster is designed for 12–15 m boats, providing 95 kg of thrust for improved maneuverability. Its hydrodynamic design and external mounting simplify installation, especially for retrofits or hulls with limited space. The system includes overheat protection and sealed lubrication. Supplied as a single unit, no accessories included.

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Free pickup point from €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of approved installers

Find an installer

Support service

Opt for additional installation assistance

Technical specifications

Max Thrust	95
Nominal Thrust	70
Operating voltage	24V
Thruster Type	External

Detailed description

Designed for vessels where installing a traditional tunnel thruster is complex, the Sleipner EX95S 24V external thruster provides a solution for boats measuring 12 to 15 meters (35-48 feet). This system suits hulls of various shapes and materials (steel, aluminum, wood, GRP), as well as low drafts or limited interior space.

Performance and hydrodynamic design

The EX95S thruster delivers a nominal thrust of 67 kg, with an equivalent/performance thrust of 95 kg. Powered by 24V, it has a power output of 3kW (4 HP) and a nominal current draw of 175A. Its design incorporates a low-drag hydrofoil and a hydrodynamic profile that reduces water resistance. The electric motor is optimized for performance and benefits from efficient cooling due to its submerged position, allowing extended operating durations, up to 5 minutes continuously. It is equipped with a single 3-blade vectoring propeller.

Robust construction and integrated safety

The construction of the Sleipner EX95S is based on a specially coated aluminum housing and a hollow steel shaft with cable passage. Neoprene and rubber fittings ensure a watertight connection and suspension. The system integrates safety features such as Intelligent Power Control (IPC i-Box), which minimizes mechanical wear by regulating delays between direction changes and monitors solenoid performance. In the event of a solenoid lockup, the thruster automatically stops. Overheat protection also shuts down the system before any potential damage occurs. The drive lubrication is factory-sealed for life, with a ceramic/graphite mechanical seal on the propeller shaft to prevent water intrusion.

Installation and system integration

Installation of the EX95S is simplified by its external design, requiring only three small watertight holes and avoiding major lamination work, making it suitable for retrofitting. It uses analog signaling cables with color-coded Plug & Play connectors. Its mounting flexibility, particularly further forward at the bow, allows for up to 40% greater efficiency compared to conventional tunnel thrusters, offering the ability to maneuver larger boats with less energy. The thruster is compatible with other Sleipner thruster systems, and a remote control is available as an accessory for remote operation.

Documentation

Type	Nom
	Documentation Sleipner — Propulseur externe 70/95KG 24V

Expert opinion

« The high-performance external thruster for optimized maneuverability »

The Sleipner EX95S external thruster is a strategic solution for vessels unable to accommodate a traditional tunnel thruster due to draft constraints, hull shape, or interior space limitations. Its external design significantly simplifies installation, requiring only minimal cable and mounting passages, making it particularly relevant for retrofit projects or hulls made of wood and aluminum. The key advantage lies in its flexible positioning, allowing installation at the extreme bow or stern. This placement optimizes leverage, offering up to 40% greater thrust efficiency compared to a tunnel thruster of the same power, with enhanced maneuverability on 12 to 15-meter boats.

The submerged motor benefits from natural cooling, contributing to longer operating durations—a key asset in intensive maneuvering. The sealed lubrication system and overheat protection ensure reliability in marine environments. While civil engineering installation is simpler, precise positioning validation is critical to maximize hydrodynamic efficiency and minimize drag. It integrates seamlessly with existing Sleipner control systems, including remote control options, for complete maneuvering ergonomics. This is a relevant choice for owners seeking an effective maneuvering solution without compromising their vessel’s structural integrity.

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EX95S 70/95KG 24V External Thruster

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Frequently Asked Questions

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What distinguishes the Sleipner EX95S external drive from traditional thrusters?

The EX95S thruster is an externally mounted pod-type thruster. Its unique design allows for easy installation on boats where a conventional internal thruster would require significant hull modifications or be impossible to fit. It is fully sealed and requires no maintenance.

What are the main technical specifications of the EX95S thruster?

The EX95S external thruster delivers 95 kg of thrust at 24V with a power output of 3.0 kW (4.0 hp). It features a single propeller and weighs 19.5 kg. This model is suitable for vessels 10 to 15 meters (35 to 48 feet) in length.

Is the EX95S bow thruster loud when operating?

No, the EX95S thruster is equipped with Sleipner’s patented Q-prop™ propeller. This five-blade skewed propeller is designed to reduce noise by 20 to 40% in real-world installations and up to 75% in controlled tests, while maintaining or improving thrust performance.

How is the EX95S external thruster protected against corrosion and overheating?

The EX95S thruster integrates multiple protections. It features galvanic isolation, where all underwater components are electrically isolated from the onboard system to eliminate stray currents and prevent corrosion. Additionally, it includes overheat protection that automatically detects high internal temperatures and shuts down the system before damage occurs.

What type of control system does the EX95S thruster use?

The EX95S thruster is compatible with Sleipner’s S-Link™ control system. This system enables intelligent communication between thruster components and control panels, providing advanced features and easy integration.

Does the EX95S thruster require regular maintenance?

No, the EX95S thruster is designed to be maintenance-free. It is fully sealed and uses a factory-filled, lifetime lubrication system with long-life ceramic and carbon components, eliminating the need for regular maintenance.

Can I improve the speed control of the EX95S thruster?

Yes, the EX95S thruster can be upgraded to PRO™ variable speed control. This option enables smoother, quieter, and more precise maneuvers, and includes a hold function for dual systems, allowing the boat to be gently held against the dock with a single button press.

Where can the EX95S external bow thruster be installed on a boat?

The EX95S external thruster is designed to be easily mounted outside the hull. It can be installed on the transom or under the hull, providing installation flexibility for boats that cannot accommodate a traditional internal thruster.