SKU: DRFC-2757
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HappyModel EX1102 KV9000 1mm Shaft Brushless Motor (CW)

₹909.00 (Inclusive of all taxes)
Out of Stock

The HappyModel EX1102 KV9000 is an ultra-lightweight 1102 brushless motor designed for high-performance micro and whoop-class drones. Featuring a 1mm shaft and dual-bearing design, it is optimized for 2S-3S LiPo power systems and compatible with 40mm to 66mm propellers, making it ideal for builds like the Mobula7 HD.

Features

  • Ultra-lightweight 1102 brushless motor weighing only 2.8 grams.
  • High 9000KV rating optimized for 2S-3S LiPo battery systems.
  • 1mm hardened steel shaft with dual-bearing design for smooth operation and stability.
  • Compatible with a wide range of 40mm to 66mm propellers for micro drone builds.
  • 9N12P stator configuration for efficient power delivery and responsive throttle control.

Out of stock

Description

The HappyModel EX1102 KV9000 brushless motor is engineered for maximum performance in the smallest form factor. Its 9N12P stator configuration paired with the 9000KV rating delivers exceptional power density, providing the rapid throttle response and high top-end RPM required for acrobatic micro FPV flight. The motor’s minimal 2.8-gram weight is a critical advantage for weight-sensitive whoop and toothpick builds, directly translating to improved agility and flight time.

Constructed with a precision dual-bearing system and a 1mm hardened steel shaft, the EX1102 ensures reliable, vibration-free operation even under the high rotational speeds demanded by 3S power. This robust mechanical design enhances flight stability and longevity, making it a dependable choice for both racing and freestyle applications where consistent performance is paramount.

Key Features

  • World's lightest 1102-class brushless motor at 2.8 grams for superior power-to-weight ratio.
  • Dual precision ball bearing design minimizes radial play and ensures smooth, balanced rotation.
  • High-temp windings and robust stator laminations withstand continuous high-RPM operation on 3S.
  • Optimized for 40mm to 66mm propeller diameters, offering flexibility for micro whoop and ductless frame builds.
  • Direct replacement and upgrade motor for popular micro drones including the Mobula7 HD.
  • Efficient 9N12P magnetic configuration reduces electrical noise and improves torque consistency.

Applications

  • Primary motor upgrade for the HappyModel Mobula7 HD and similar 75mm-85mm brushless whoop drones.
  • Ideal for lightweight 2S-3S powered 'toothpick' style micro drones using 66mm ductless frames.
  • Perfect for high-performance micro racing builds requiring maximum thrust in a sub-3-gram motor package.
  • Suitable for compact cinewhoop builds where low weight and responsive power are critical for carrying HD cameras.

Technical Specifications

Motor TypeBrushless Motor
ModelEX1102
Stator Configuration9N12P
Motor KV9000 KV
Shaft Diameter1 mm
Weight2.8 g
Supported Battery2S-3S LiPo
Propeller Compatibility40mm - 66mm
Bearing DesignDual Ball Bearing

Frequently Asked Questions

What is the compatible voltage range for the HappyModel EX1102 KV9000 motor?

The EX1102 KV9000 motor is designed for 2S to 3S LiPo battery systems (7.4V to 11.1V). Operating within this range ensures optimal performance and prevents damage from overvoltage. Exceeding 3S is not recommended as it may overheat the windings and demagnetize the bell.

What size propellers can I use with this 1102 9000KV motor?

This motor is compatible with propellers ranging from 40mm to 66mm in diameter. For 2S power, 65mm-66mm bi-blade or tri-blade props are common. For aggressive 3S performance on micro frames, 40mm to 55mm high-pitch props are recommended to manage amp draw and maximize thrust efficiency.

Is this motor a direct replacement for the Mobula7 HD?

Yes, the HappyModel EX1102 KV9000 with a 1mm shaft is the original motor specified for the Mobula7 HD drone. It is a direct drop-in replacement, using the same mounting pattern and connector. It can also be used as an upgrade for other 11xx-motored whoops with compatible 1mm shaft propellers.

What is the benefit of the dual-bearing design in this motor?

The dual ball bearing design provides superior radial support for the motor shaft, significantly reducing vibration and axial play at high RPMs. This results in smoother video feed, more precise flight control, and extended motor lifespan by evenly distributing mechanical loads and preventing premature bearing failure.

Package Includes

  • 1 x HappyModel EX1102 KV9000 1mm Shaft Brushless Motor (CW)

Additional Information

Weight 0.15 kg
Dimensions 12 × 8 × 2 cm