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Surpass Hobby 3650 ROCKET Sensoreless Waterproof Motor 3.175mm Shaft 1650KV

₹2,109.00 (Inclusive of all taxes)
Out of Stock

The Surpass Hobby 3650 ROCKET is a sensoreless, waterproof brushless motor designed for high-torque applications in RC vehicles and heavy-lift drones. Featuring a 3.175mm shaft and a 1650KV rating, it operates on sub-30V systems, delivering reliable power for demanding environments.

Features

  • Sensoreless waterproof design for enhanced durability and reduced complexity.
  • 1650KV rating optimized for high-torque applications on sub-30V power systems.
  • 3.175mm (1/8-inch) precision-machined gold-plated shaft for secure propeller mounting.
  • High-purity copper windings maximize electrical efficiency and power output.
  • Precision-balanced rotor and oversized ABEC bearings ensure smooth, high-RPM operation.

Out of stock

Description

The Surpass Hobby 3650 ROCKET motor is engineered for robust performance in RC cars, boats, and heavy-lift multirotor applications. Its sensoreless design eliminates the need for external Hall sensors, simplifying wiring and increasing resilience against water and debris ingress. The motor’s internal construction utilizes high-purity copper windings and a precision-balanced rotor to convert electrical energy into mechanical power with high efficiency.

Built with a 4-pole magnet configuration, the motor provides smooth torque delivery across a wide RPM range. The oversized, high-RPM ABEC bearings support sustained operation under load, while the waterproof sealing protects the internal components from moisture and contaminants. This makes the 3650 ROCKET suitable for demanding outdoor and off-road use where reliability is critical.

Key Features

  • Sensoreless, Waterproof Construction: Sealed design protects against moisture and dirt, ideal for rugged outdoor and marine environments.
  • High-Torque 1650KV Windings: Optimized for powerful thrust and efficient operation on 4S to 6S LiPo battery configurations (under 30V).
  • Gold-Plated 3.175mm Output Shaft: Provides a corrosion-resistant, secure interface for propellers and pinions.
  • Precision-Balanced Rotor Assembly: Minimizes vibration for smooth operation, extending bearing life and improving flight stability.
  • Multi-Mount Compatibility: Universal mounting pattern accommodates M3 or M4 screws for flexible installation in 1/8-scale RC platforms.
  • High-Purity Copper Windings: Low-resistance windings maximize current flow and improve overall efficiency and power density.

Applications

  • Heavy-lift multirotor and UAV platforms requiring high-torque, low-KV propulsion.
  • 1/8-scale RC buggies and truggies for off-road bashing and racing.
  • RC boat and marine vehicle propulsion systems where waterproofing is essential.
  • Custom drone builds for agricultural, surveying, or payload-carrying applications.
  • Large-scale experimental aircraft and multirotors operating on 4S to 6S LiPo batteries.

Technical Specifications

Model Number3650
Motor TypeSensoreless Brushless (Outrunner)
KV Rating1650 KV
Pole Count4
Max Continuous Current30A
Max Working Voltage<30V
Shaft Diameter3.175 mm
Shaft TypeGold-Plated
Mounting PatternUniversal (M3/M4)
Waterproof RatingYes (Sealed)

Frequently Asked Questions

What is the maximum recommended battery voltage for this 1650KV motor?

The motor is rated for a maximum working voltage of less than 30V. This makes it suitable for 4S (16.8V), 5S (21V), and 6S (25.2V) LiPo battery packs. Exceeding 30V may damage the windings and insulation.

Is a sensor cable or programming required for this sensoreless motor?

No, this is a sensoreless (sensorless) brushless motor. It operates without Hall effect sensors, so no sensor cable or specific programming is needed. It is compatible with standard sensoreless brushless ESCs that support sensorless operation.

What is the shaft diameter, and what size propellers or pinions does it fit?

The motor features a gold-plated 3.175mm (1/8-inch) output shaft. This is a standard size for many RC car pinions and adapters for larger multirotor propellers. You will need a propeller adapter or pinion with a 3.175mm bore.

Can this waterproof motor be used in marine or wet conditions?

Yes, the motor is sealed and designed to be waterproof, making it suitable for RC boats, amphibious vehicles, or drones operating in rain, snow, or high-humidity environments. It is resistant to water ingress but should not be fully submerged for extended periods.

Package Includes

  • 1 x Surpass Hobby 3650 ROCKET Sensoreless Waterproof Motor

Additional Information

Weight 0.28 kg