SKU: DRFC-2464
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Surpass Hobby Rocket 2958 4200KV Brushless Motor - Black

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

The Surpass Hobby Rocket 2958 is a 4200KV, 4-pole brushless motor designed for high-RPM applications, featuring a robust 3.175mm shaft and delta winding for efficient power delivery in RC boat and high-speed drone builds.

Features

  • 4200KV rating optimized for high-speed, low-voltage applications.
  • 4-pole, delta-wound design for smooth torque and efficient power.
  • Durable 3.175mm (1/8″) hardened steel shaft for reliable operation.
  • Precision-balanced rotor and high-grade bearings minimize vibration.
  • 145g weight with a compact 2958 (29mm x 58mm) stator size.

Out of stock

Description

The Rocket 2958 brushless motor from Surpass Hobby is engineered for demanding high-RPM scenarios, such as competitive RC boating and specialized high-speed drone configurations. Its 4200KV rating provides exceptional rotational speed per volt, making it suitable for 2S to 4S LiPo battery systems where maximum RPM is critical.

Constructed with a 4-pole stator and delta winding termination, the motor achieves a favorable balance of torque and efficiency at high speeds. The robust 3.175mm shaft and high-quality bearings ensure mechanical integrity under heavy loads and in wet environments, while the anodized black aluminum housing aids in heat dissipation.

Key Features

  • High-Speed 4200KV Design: Optimized stator and magnet configuration for exceptional RPM performance on 2S-4S LiPo power.
  • Robust Mechanical Construction: Features a hardened 3.175mm steel shaft and reinforced bearing blocks for impact and vibration resistance.
  • Efficient Thermal Management: CNC-machined aluminum housing with cooling fins promotes effective heat dissipation during sustained high-power runs.
  • Precision Dynamic Balance: Rotor assembly is factory-balanced to minimize high-frequency vibration, enhancing bearing life and smoothness.
  • High-Current Connectors: Equipped with 4mm gold-plated bullet connectors for reliable, low-resistance power transfer.

Applications

  • High-speed RC boat and deep-V hull racing applications.
  • Specialized high-RPM drone builds for drag racing or speed runs.
  • Small-scale, lightweight multirotors requiring extreme KV for 2-3 inch propellers.
  • Custom UAV projects demanding compact, high-RPM brushless power.

Technical Specifications

Manufacturer / BrandSurpass Hobby
ModelRocket 2958
Motor TypeBrushless Outrunner
KV Rating4200 KV
Pole Count4
Stator Size29mm x 58mm (2958)
Shaft Diameter3.175mm (1/8")
Winding TypeDelta
Connector Type4mm Gold Bullet
Weight145 grams
ColorBlack

Frequently Asked Questions

What is the recommended voltage range for the Rocket 2958 4200KV motor?

The Rocket 2958 4200KV motor is optimized for 2S to 4S LiPo battery systems (7.4V to 16.8V). Its high KV rating makes it best suited for applications where maximum RPM is needed at lower voltages, such as lightweight speed builds. Exceeding 4S may risk overheating and demagnetization due to the extremely high resultant RPM.

What type of Electronic Speed Controller (ESC) is required?

A high-frequency, high-current BLHeli_S or BLHeli_32 ESC is recommended. Given the 4200KV rating and potential for high RPM, select an ESC with a continuous current rating significantly above your expected amp draw (e.g., 40A+). Ensure the ESC firmware supports the high motor timing often needed for optimal performance with high-KV motors.

Is this motor suitable for FPV drone freestyle or racing?

While primarily designed for RC boats, the Rocket 2958 can be used in specialized, lightweight drone builds focused on extreme speed or drag racing, typically with small propellers (3-inch or less). It is not a standard choice for 5-inch FPV freestyle or racing due to its very high KV and corresponding torque curve, which is better matched to high-speed, low-load applications.

Package Includes

  • 1 x Surpass Hobby Rocket 2958 4200KV Brushless Motor (Black)

Additional Information

Weight 0.145 kg
Dimensions 11 × 7 × 4 cm