Surpass Hobby 2845 ROCKET Sensorless Waterproof Motor - 3.175mm Shaft, 4.0 Gold Plated, 2800KV
Surpass Hobby 2845 ROCKET Sensorless Waterproof Motor - 3.175mm Shaft, 4.0 Gold Plated, 2800KV - Image 2
SKU: DRFC-2527
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Surpass Hobby 2845 ROCKET Sensorless Waterproof Motor - 3.175mm Shaft, 4.0 Gold Plated, 2800KV

₹1,649.00 (Inclusive of all taxes)
Out of Stock

The Surpass Hobby 2845 ROCKET is a 2800KV sensorless waterproof brushless motor designed for high-performance multirotor and RC vehicle applications, featuring a 3.175mm shaft, 4-pole design, and a maximum voltage rating of <18V.

Features

  • 2800KV sensorless brushless motor with waterproof construction for durability in wet or dusty environments.
  • High-purity copper windings and a precision-balanced rotor for maximum efficiency and smooth, high-RPM operation.
  • Robust 3.175mm (1/8″) shaft with gold-plated 4.0mm bullet connectors for reliable power transmission.
  • Supports up to <18V input and handles a maximum current of 45A for high-power applications.
  • Multi-mounting system compatible with M3 or M4 screws, suitable for 1/8th scale RC cars, boats, and heavy-lift drones.

Out of stock

Description

The Surpass Hobby 2845 ROCKET motor leverages a sensorless design to eliminate Hall effect sensors, reducing failure points and simplifying integration for demanding RC and UAV applications. Its waterproof sealing protects internal components from moisture and debris, making it suitable for all-weather operation in cars, boats, and multirotor drones.

Engineered with high-purity copper windings and oversized ABEC bearings, the motor delivers efficient power conversion and sustains high rotational speeds with minimal friction. The precision-balanced rotor ensures smooth operation, reducing vibration for improved flight stability and component longevity in racing and heavy-lift scenarios.

Key Features

  • Waterproof Sensorless Design: Eliminates Hall sensors for enhanced durability and reliability in wet or dusty conditions.
  • High-Efficiency Copper Windings: High-purity copper windings maximize electrical efficiency and thermal performance.
  • Precision-Balanced Rotor: Dynamically balanced rotor assembly ensures smooth, high-RPM operation with minimal vibration.
  • Oversized ABEC Bearings: High-RPM rated bearings reduce friction and support sustained high-speed performance.
  • Gold-Plated 4.0mm Connectors: Provide low-resistance, corrosion-resistant electrical connections for consistent power delivery.
  • Multi-Mount Compatibility: Universal mounting pattern supports M3 or M4 screws for flexible installation in various frames.
  • High Current Capability: Rated for up to 45A maximum current, supporting high-torque applications.

Applications

  • High-performance 1/8th scale RC buggies and truggies requiring waterproof, high-torque power.
  • FPV racing and freestyle drones in the 3-4 inch class utilizing 3-4S LiPo batteries.
  • RC boat and marine applications where waterproofing is critical for reliable operation.
  • Heavy-lift multirotor UAVs for payload carrying where high torque and durability are required.
  • Custom ground vehicle and robotics projects needing a robust, sensorless brushless motor.

Technical Specifications

Model Number2845
Motor TypeSensorless Waterproof Brushless
KV Rating2800 KV
Pole Count4
Shaft Diameter3.175 mm
Max Working Voltage<18 V
Maximum Current45 A
Connector Type4.0 mm Gold-Plated Bullet
Mounting CompatibilityM3 or M4 Screws

Frequently Asked Questions

What is the maximum recommended LiPo cell count for this 2845 2800KV motor?

The motor is rated for a maximum working voltage of <18V. This corresponds to a 4S LiPo battery (16.8V max) or a 5S LiPo (21V max) if used cautiously below its peak voltage. For optimal performance and longevity, a 3S (11.1V) or 4S (14.8V) configuration is recommended.

Is this motor truly waterproof, and can it be submerged?

Yes, the Surpass Hobby 2845 ROCKET features a waterproof design, meaning its internal components are sealed against moisture and dust ingress. It is suitable for use in wet conditions, such as RC boating or rainy environments. While it can handle splashes and rain, prolonged submersion is not advised as it may exceed the sealing capabilities.

What type of Electronic Speed Controller (ESC) is required for this sensorless motor?

This is a sensorless brushless motor, so it requires a compatible sensorless ESC. The ESC must support the motor's high current draw (up to 45A) and the intended voltage range (up to <18V). Ensure your ESC firmware (e.g., BLHeli_S, BLHeli_32) is configured for sensorless operation.

What is the mounting pattern and screw size for this motor?

The motor features a universal multi-mounting system compatible with both M3 and M4 screws. This makes it adaptable to a wide range of 1/8th scale RC car chassis, drone frames, and other custom mounting plates. Check your frame's hole spacing to ensure compatibility with the motor's base.

Package Includes

  • 1 x Surpass Hobby 2845 ROCKET Sensorless Waterproof Motor (2800KV)

Additional Information

Weight 0.28 kg
Dimensions 18 × 12 × 5 cm

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