Xnova Lightning 2820-920KV series (SHAFT A) - Goblin 380/ Buddy/ Raw 420 Competition

Overview

The Xnova Lightning 2820-920KV Shaft A is a high-performance brushless outrunner motor built for pilots who want strong, efficient power in a lightweight 6S helicopter setup.

Based on the proven Xnova 2820 platform, the Lightning series has been refined for improved efficiency, better heat management, and more consistent power delivery throughout the flight. The result is a cooler-running motor with strong punch, smooth throttle response, and dependable power for sport flying, precision aerobatics, and aggressive 3D.

This Shaft A version is suitable for compatible SAB helicopters, including the Goblin 380, Goblin Buddy, and RAW 420 Competition. Please confirm your helicopter manual and required shaft type before ordering.

Features

• High-performance brushless outrunner motor for compatible 6S R/C helicopter setups
• 920KV winding designed for strong power, efficiency, and consistent headspeed performance
• Excellent power-to-weight ratio for sport flying, aerobatics, and hard 3D
• Refined Lightning series design for cooler operation and smoother power delivery
• High-performance neodymium magnets with heat resistance up to 150°C
• Thicker hand-wound YY single-strand copper wire with heat resistance up to 250°C
• 100% hand-wound stator for improved performance and quality control
• Smooth throttle response with strong mid-range and top-end power
• Shaft A version for compatible SAB Goblin 380, Goblin Buddy, and RAW 420 Competition setups

Specifications

• Model: Xnova Lightning 2820-920KV
• SKU: XN-2820L-920A
• Motor Type: Brushless outrunner
• KV Rating: 920KV
• Slots / Poles: 12N10P
• Winding: T YY
• Voltage: 10V / 22.2V
• Io: 1.8A / 2.8A
• Resistance: 28 mΩ / 28 mΩ
• Weight: Approx. 150g without connectors
• Motor Body Length: 40.7mm, excluding shaft
• Motor Diameter: 36mm
• Shaft Type: Shaft A
• Shaft Diameter: 5mm
• Shaft Length: 22mm
• Mounting Hole Distance: 25mm center-to-center
• Mounting Screw: M3 x 0.5
• Max Efficiency Current: 25.35A / 47.12A
• Max Efficiency: 85.80% / 88.11%
• Kt: 0.0104 Nm/A
• Km: 0.0620 Nm/√W
• Max Continuous Power: 1150W
• Peak Power: 1450W, 2 seconds
• Max Continuous Current: 52A
• Recommended Use: Compatible 6S SAB helicopter setups including Goblin 380, Goblin Buddy, and RAW 420 Competition

Setup Note

This is the Shaft A version of the Xnova Lightning 2820-920KV motor. Xnova motors are available with different shaft versions, so please verify the shaft length, pinion fitment, motor mount, and your helicopter manual before ordering.