Original Sunnysky X3108S KV720 KV900 Outrunner Brushless Motor for Multi-rotor Aircraft Multi-axis Disc Motor

Description

Specifications

• Model: X3108S

• KV Ratings: 720KV / 900KV

• Motor Type: Outrunner

• Configuration: 12N14P

• Stator Size: 31 × 8mm

• Shaft Diameter: 4mm

• Mounting Hole Pattern: 16×19mm (M3 screws)

• Voltage: 2S–4S LiPo

• Recommended Prop Size:

  • 720KV: 11″–12″

  • 900KV: 9″–10″

• Max Continuous Power: ~350–450W (depends on version and voltage)

• Weight: Approx. 70g

• Bearing: Japanese NSK ball bearings for smooth and durable performance

Key Features

• High-efficiency design for extended flight times

• Smooth and quiet operation

• Ideal for balanced thrust and power consumption

• Well-suited for stable flight performance, especially in GPS or camera drones

• Two KV options for different flight styles:

  • 720KV: Better for longer flight time, stability, and heavier payloads

  • 900KV: More responsive, suited for faster flight or lighter builds

Recommended Use Cases

• Aerial photography drones (medium-size platforms)

• FPV cruisers focused on flight time and stability

• Educational and DIY drone kits

• Hobby-grade multi-rotor drones (quad, hex, or octocopter)

Important Notes

• Match motor KV with suitable propeller and voltage for best performance

• Use with ESCs rated at 30A or higher, depending on load

• Balance propellers to reduce vibration and protect bearings

• Ensure proper heat dissipation during extended use

• Do not exceed recommended propeller size or voltage to avoid overheating or damage