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eFoil

Bespoke Propulsion Systems for High-Performance Electric Hydrofoils.


Maximizing Power Density for Effortless Flight.

Efoils place extreme demands on motor power density and responsiveness. QUANLY MOTOR's D70L165 and D85L165 series motors, with their compact physical size (70-85mm diameter) and peak torque of up to 21-30Nm, deliver strong thrust for take-off. We offer different Kv value options (e.g., 78Kv to 180Kv) and can customize shaft specifications and cooling solutions to match your hydrofoil system and propeller, achieving optimal hydrodynamic efficiency and a smooth lift-off experience.


Customized Solutions

We specialize in tailor-made brushless motors and propulsion systems, designed to meet your specific requirements—whether it's housing, shaft, poles, windings, cooling method, or IP rating. Our flexible approach ensures optimal performance for your application.

Waterproof & Corrosion-Resistant

All our motors are IP68-rated, designed to withstand harsh marine environments—including saltwater immersion. Ideal for eFoils, jetboards, outboard engines, and underwater thrusters.

Full In-House Manufacturing

From motor winding and machining to injection molding and assembly, we control the entire production process under one roof. This ensures quality, flexibility, and cost efficiency—from prototype to mass production.

High Performance & Efficiency

Our motors deliver power from 200W to 80KW, with peak torque up to 120Nm. We focus on total system efficiency, helping you maximize endurance and reduce overall system weight and cost.

Global Support & Long-Term Partnership

We provide end-to-end support throughout the product lifecycle—from design and prototyping to series production and spare parts. Trusted by brands like Horizon Hobby and Kyosho for over a decade.

Rugged & Reliable

Built for demanding applications in water sports, marine, and recreational vehicles, our motors are tested in real-world conditions to ensure durability, long service life, and consistent performance.

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Empowering Your Applications with Custom Waterproof Motors

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