Propulseur de poupe SX100/185T 24V — Sleipner SX100/185T-24V

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Sleipner

SX100/185T-24V

Sleipner SX100/185T 24V stern thruster

The Sleipner SX100/185T 24V stern thruster is a robust external solution for vessels 12 to 17 meters, delivering 116 kg of thrust and 6.3 kW of power via its twin Q-PROP™ propellers for precise and quiet maneuvering. Pre-assembled and waterproof, it includes an IPC system and overheat protection for enhanced reliability in marine environments. 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

Motor Power	7.0 kW
Operating voltage	24V
Remote Control Compatible	Yes
Variable Speed Compatible	Yes (via PRO upgrade)

Detailed description

Designed for vessels from 12 to 17 meters (35 to 55 feet), the Sleipner SX100/185T 24V stern thruster is a robust and efficient external maneuvering system. Pre-assembled in a GRP casing, it is intended for installation on the transom, requiring only minimal cable penetrations for power and control wiring. This stern thruster provides maneuvering assistance for boats equipped with inboard engines or twin sterndrives, where optional fairings can optimize water flow.

Performance and technical design

The SX100/185T 24V thruster operates on 24V DC, delivering 100 kg of thrust at 21V DC and up to 116 kg at 24V DC. Its output power is 6.3 kW (8.4 hp) at 21V, reaching 7.8 kW (10.5 hp) at 24V. The system integrates Q-PROP™ twin propellers, which reduce noise by 20 to 40% in real-world use and up to 75% in controlled tests, while maintaining or improving thrust performance. The tunnel diameter is 185 mm.

Advanced features and safety

This thruster incorporates several features to optimize safety and durability. The Intelligent Power Control (IPC) system minimizes delay between direction changes and monitors solenoid performance, automatically stopping the thruster in case of blockage. Overheat protection shuts down the system before any potential damage occurs. The sterndrive lubrication is sealed for life with ceramic and carbon mechanical seals, pre-filled with special oil, to prevent water intrusion. Immersed components are galvanically isolated from the boat’s electrical system, preventing corrosion. The Sleipner SX100/185T 24V is watertight and ignition-protected (compliant with ISO 8846), allowing safe installation on gasoline-powered boats.

Integration and maintenance

Weighing approximately 37 kg, the thruster requires a minimum battery capacity of 760 CCA SAE for 24V systems and a recommended fuse of 325 Amps (SMANL325). Its external design with the motor above water reduces noise by about 80% and improves cooling, enabling longer duty cycles up to 3 minutes continuously at 200°C. Maintenance is simplified; the O-ring can be replaced when the boat is out of the water.

Documentation

Type	Nom
	Documentation Sleipner — Propulseur de poupe SX100/185T 24V

Expert opinion

« Sleipner SX100/185T 24V: external efficiency for docking »

The Sleipner SX100/185T 24V stern thruster is positioned as a top choice for external maneuvering solutions on medium to large vessels, typically between 12 and 17 meters. Its installation on the transom, simplified by a pre-assembled GRP unit, offers a significant advantage in terms of installation complexity compared to traditional tunnel thrusters. This design simplifies integration, particularly for boats with limited internal space or hulls that make cutting a transverse tunnel impractical.

The use of Q-PROP™ dual propellers is a major asset, providing efficient thrust while significantly reducing operational noise—a key factor for onboard comfort. The external motor design, aside from installation ease, allows for more efficient water cooling and extended duty cycles, which is crucial during complex or prolonged maneuvers in challenging conditions. Ignition protection and galvanic isolation ensure increased reliability and minimize corrosion risks—critical aspects for durability in a marine environment. This model is particularly relevant for twin-drive vessels, where optional fairings optimize flow and performance. The sealed-for-life lubrication system reflects a design focused on reducing maintenance.

Selecting this thruster requires prior in-depth analysis, hence its availability by quotation only. It is essential to validate exact sizing, voltage, precise location, and peripheral accessories (batteries, wiring, controls) to ensure optimal integration and performance meeting the vessel’s specifications and intended use. It is not suitable for traditional internal installations but excels in configurations where external installation is preferred or necessary.

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Sleipner SX100/185T 24V stern thruster

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Frequently Asked Questions

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What is the thrust power of the Sleipner SX100/185T 24V stern thruster?

The Sleipner SX100/185T 24V stern thruster provides 116 kg of thrust at a nominal voltage of 24V. At the minimum voltage of 21V, the thrust is 100 kg.

What is the ideal boat size for the Sleipner SX100/185T stern thruster?

This thruster is ideally suited for vessels between 12 and 17 meters (or 35 to 55 feet) in length.

What is the electrical power and voltage required for the SX100/185T 24V thruster?

The Sleipner SX100/185T 24V bow thruster operates on a 24V power supply. Its output power is 6 kW (8.05 hp).

What type of propeller is used on the SX100/185T thruster?

The SX100/185T thruster is equipped with a Q-Prop propeller. This is a five-blade, skewed propeller designed to reduce noise by 20 to 40% in real-world installations while maintaining or improving thrust performance.

Is it possible to add variable speed control to the SX100/185T thruster?

Yes, most Sleipner (Side-Power) DC 12V and 24V models produced from 1999/2000 onwards, including the SX100/185T, can be upgraded to the PRO™ variable-speed control system. This upgrade enables smoother, quieter, and more precise maneuvering.

Why is the SX100/185T 24V thruster only offered on a quote basis?

This stern thruster is offered only on a quote basis as it is a critical piece of equipment requiring precise sizing. This approach ensures validation of voltage, specific installation on your boat, and compatibility with the necessary accessories for optimal, secure installation compliant with your vessel's specifications.