Surpass Hobby F540 ROCKET Sensorless Waterproof Motor - 2800KV, 3.175mm Shaft, 4.0mm Gold Connectors
Surpass Hobby F540 ROCKET Sensorless Waterproof Motor - 2800KV, 3.175mm Shaft, 4.0mm Gold Connectors - Image 2
SKU: DRFC-2522
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Surpass Hobby F540 ROCKET Sensorless Waterproof Motor - 2800KV, 3.175mm Shaft, 4.0mm Gold Connectors

₹1,879.00 (Inclusive of all taxes)
Out of Stock

The Surpass Hobby F540 ROCKET is a 2800KV sensorless waterproof brushless motor designed for high-power 1/8th scale RC applications, featuring a 3.175mm shaft, 4.0mm gold-plated connectors, and a robust construction capable of handling up to 18V and 45A continuous current.

Features

  • High-torque 2800KV sensorless brushless motor with waterproof construction for rugged RC use.
  • Features a precision-balanced rotor and high-purity copper windings for maximum efficiency and smooth operation.
  • Equipped with a 3.175mm (1/8″) shaft and 4.0mm gold-plated bullet connectors for reliable power transfer.
  • Supports a maximum working voltage of <18V (approx. 4-5S LiPo) and a maximum continuous current of 45A.
  • Universal multi-mounting system compatible with M3 or M4 screws for installation in 1/8th scale RC cars, boats, or heavy-lift drones.

Out of stock

Description

The Surpass Hobby F540 ROCKET motor is engineered for demanding RC applications where reliability and power are critical. Its sensorless design simplifies the electrical system while the waterproof sealing protects the internal components from moisture, dust, and debris, ensuring longevity in harsh environments.

Built with a 4-pole neodymium magnet configuration and oversized ABEC-rated bearings, this motor delivers high RPM performance with minimal friction and excellent thermal management. The precision-machined housing and balanced rotor assembly minimize vibration, contributing to smoother operation and extended bearing life under high-load conditions typical in racing and heavy-duty hobby use.

Key Features

  • Waterproof and sensorless design reduces system complexity and enhances durability in wet or dirty conditions.
  • High-purity copper windings and optimized magnetic circuit maximize electrical efficiency and torque output.
  • Precision-balanced rotor and oversized high-RPM bearings ensure smooth, reliable operation at maximum speeds.
  • Robust construction with a multi-mounting system (M3/M4) for universal fitment in 1/8th scale platforms.
  • Gold-plated 4.0mm bullet connectors provide low-resistance, corrosion-resistant power connections.
  • Engineered for high energy conversion, delivering consistent power for racing, crawling, and heavy-lift applications.

Applications

  • High-speed 1/8th scale RC buggies, truggies, and short-course trucks requiring sensorless waterproof power.
  • RC marine applications such as fast electric boats where waterproofing and high RPM are essential.
  • Heavy-lift multirotor or large drone builds where a high-KV, high-torque outrunner motor is needed for direct-drive propellers.
  • Scale crawler or rock racer upgrades demanding reliable, sealed motor performance in muddy or wet conditions.

Technical Specifications

ModelF540 ROCKET
Motor TypeSensorless Brushless Outrunner (Waterproof)
KV Rating2800 RPM/V
Poles4
Max Continuous Current45A
Max Working Voltage<18V (~4-5S LiPo)
Shaft Diameter3.175mm (1/8")
Connector Type4.0mm Gold Bullet
MountingMulti-hole pattern for M3 or M4 screws

Frequently Asked Questions

What is the maximum recommended LiPo battery configuration for this F540 2800KV motor?

The motor is rated for a maximum working voltage of <18V. This corresponds to a 4S LiPo (16.8V max) or a conservative 5S LiPo (21V max) setup, though running at 5S may push the motor near its voltage limit under full load. For optimal performance and longevity, a 4S LiPo is the recommended high-power configuration.

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

Yes, the Surpass Hobby F540 ROCKET is designed as a waterproof sensorless motor. Its construction includes seals to protect the bearings and internal windings from water, mud, and dust ingress. It is suitable for wet conditions and shallow submersion typical in RC boating or off-road crawling, but it is not intended for deep or prolonged underwater use.

What size pinion gear or propeller adapter fits the 3.175mm shaft?

The motor features a standard 3.175mm (1/8 inch) output shaft. You will need pinion gears for RC cars or propeller adapters for drones with a 3.175mm bore. Ensure any adapter or gear uses a precise fit and a robust grub screw or collet mechanism to handle the high torque and RPM this motor produces.

Does this motor require a specific sensorless Electronic Speed Controller (ESC)?

Yes, as a sensorless motor, it must be paired with a compatible sensorless brushless ESC. The ESC should be rated for at least the motor's maximum 45A continuous current and the intended battery voltage (e.g., 4-5S). Ensure the ESC's firmware (like BLHeli_S or SimonK) supports sensorless operation for smooth startup and running.

Package Includes

  • 1 x Surpass Hobby F540 ROCKET Sensorless Waterproof Brushless Motor (2800KV)

Additional Information

Weight 0.28 kg
Dimensions 18 × 12 × 5 cm

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