Surpass Hobby 3660 ROCKET Sensoreless Waterproof Motor 3.175mm Shaft 1750KV
Surpass Hobby 3660 ROCKET Sensoreless Waterproof Motor 3.175mm Shaft 1750KV - Image 2
SKU: DRFC-2646
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Surpass Hobby 3660 ROCKET Sensoreless Waterproof Motor 3.175mm Shaft 1750KV

₹2,259.00 (Inclusive of all taxes)
Out of Stock

The Surpass Hobby 3660 ROCKET is a high-torque, sensoreless waterproof brushless motor designed for demanding multirotor and heavy-lift UAV applications. With a 1750KV rating and a 3.175mm shaft, it is engineered for smooth, reliable operation on 4S to 6S LiPo power systems.

Features

  • High-torque 3660 sensoreless motor with a 1750KV rating for powerful thrust
  • Waterproof construction and sealed bearings for operation in demanding environments
  • 3.175mm (1/8″) shaft diameter with 4.0mm gold-plated bullet connectors
  • High-purity copper windings and a precision-balanced rotor for maximum efficiency and smoothness
  • Rated for up to 28V (6S) operation with a maximum current draw of 43A

Out of stock

Description

The Surpass Hobby 3660 ROCKET motor leverages a robust 4-pole sensoreless design to deliver high torque and reliable power for heavy-lift drones and large-scale multirotor platforms. Its waterproof sealing protects internal components from moisture and debris, ensuring consistent performance in varied flight conditions.

Engineered with oversized ABEC bearings and high-purity copper windings, this motor minimizes electrical losses and mechanical friction, translating battery power efficiently into thrust. The precision-balanced rotor assembly is critical for achieving high RPMs with minimal vibration, contributing to stable flight and extended component life.

Key Features

  • Waterproof Sensoreless Design: Eliminates hall sensors for a more durable, sealed motor construction resistant to environmental contaminants.
  • High-Torque 3660 Canister: The larger stator size (36mm diameter x 60mm length) provides substantial torque for lifting heavy payloads.
  • Gold-Plated Connectors: 4.0mm bullet connectors ensure low-resistance, reliable power transfer from the ESC.
  • Precision-Balanced Rotor: Dynamically balanced for smooth operation at high RPMs, reducing vibration and improving flight stability.
  • Oversized ABEC Bearings: High-quality bearings support the shaft for minimal play and long-term durability under load.
  • Versatile Mounting: Features a multi-mounting system compatible with M3 or M4 screws for flexible integration into various frames.

Applications

  • Heavy-lift cinematography drones requiring high torque and reliable 6S power.
  • Large-scale FPV freestyle or racing quads in the 7-inch to 10-inch propeller class.
  • Industrial inspection or agricultural spraying UAVs with significant payload requirements.
  • RC car and boat applications where waterproofing and high power are necessary.

Technical Specifications

Model Number3660
Motor TypeSensoreless Brushless (Outrunner)
KV Rating1750 KV
Poles4
Shaft Diameter3.175 mm
Max Working Voltage< 28V (6S LiPo)
Max Continuous Current43 A
Connector Type4.0mm Gold Bullet
Mounting PatternMulti-mount (M3/M4)

Frequently Asked Questions

What is the maximum recommended battery configuration for this 1750KV motor?

The motor is rated for a maximum working voltage of less than 28V, which corresponds to a 6S LiPo battery (25.2V nominal). For optimal performance and longevity, it is best used within a 4S to 6S LiPo range. Exceeding 28V may damage the windings.

Is an external ESC required, and what specifications should it have?

Yes, an external Electronic Speed Controller (ESC) is required. You must select a sensoreless-capable ESC that can handle at least 45-50A continuous current to match the motor's 43A max rating and support the full 6S voltage. Ensure the ESC firmware (e.g., BLHeli_S, BLHeli_32) is configured for sensoreless operation.

What propeller size is suitable for this 3660 1750KV motor on a multirotor?

For multirotor applications, this high-torque 1750KV motor is typically paired with large, high-pitch propellers. Common pairings include 15x5 or 16x5.5 carbon fiber props for heavy-lift drones, or 7-inch to 10-inch aggressive-pitch props on large FPV frames. Always test with a current meter to ensure you do not exceed the motor's 43A limit.

How does the waterproof feature benefit drone operation?

The waterproof sealing protects the internal bearings and windings from moisture, dust, and debris. This is crucial for operations in damp grass, light rain, or dusty environments, preventing corrosion and short circuits, thereby increasing motor reliability and lifespan in challenging conditions.

Package Includes

  • 1 x Surpass Hobby 3660 ROCKET Sensoreless Waterproof Motor (1750KV)

Additional Information

Weight 0.28 kg
Dimensions 18 × 12 × 5 cm

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