FlashHobby Arthur A1506 3100KV 4300KV Brushless Motor 3-4 Inch FPV Racing Drone 1pc 3100kv

Description

Overview

The FlashHobby Arthur A1506 Brushless Motor is a lightweight and powerful solution for 3-4 inch FPV racing drones, available in 3100KV (6S) and 4300KV (4S) variants. Featuring a 7075-T6 aluminum bell, arc magnets, and Kawasaki silicon steel stator, the A1506 motor provides smooth performance, excellent durability, and up to 615g max thrust in a compact 15.5g profile. Whether you’re building a freestyle toothpick or a lightweight cinewhoop, the A1506 delivers responsive, high-efficiency power.

Key Features

• High-quality NMB bearing ensures smooth operation

• Arc magnets improve responsiveness and torque

• 7075-T6 aluminum bell enhances strength while reducing weight

• Dual-color CNC bell with eye-catching finish

• 0.15mm Kawasaki silicon steel laminations for improved efficiency

• Suitable for 3-inch and 4-inch FPV racing drone builds

• Available in both 3100KV (6S) and 4300KV (4S)

Specifications

A1506-3100KV

• KV Rating: 3100KV

• Input Voltage: 22V (6S)

• Max Thrust: 615g

• Max Power: 375W

• Recommended Prop: 3 inch

• Recommended ESC: 10A20A

A1506-4300KV

• KV Rating: 4300KV

• Input Voltage: 15V (4S)

• Max Thrust: 482g

• Max Power: 280W

• Recommended Prop: 3 inch

• Recommended ESC: 10A20A

Common Parameters

• Motor Size: 18.0 27.2mm

• Weight: 15.5g (including cables)

• Shaft Diameter: 1.5mm

• Prop Mount Shaft: M5

• Mounting Holes: 12 12mm (M2 4)

• Stator Size: 15mm diameter 6mm height

• Configuration: 9N12P

• Motor Cable: 26AWG 115mm

Application

The FlashHobby A1506 motor series is ideal for toothpick drones, 3-inch cinewhoops, and 4-inch ultralight racers, delivering a perfect balance of power-to-weight ratio and throttle control. Whether you’re racing tight indoor tracks or flying freestyle outdoors, the A1506 offers precise performance you can rely on.

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