1806 1700KV Brushless Motor 3–6S DC 12–24V Long Shaft 23mm Outer Rotor for DIY Aircraft Tool Model Grinder

Overview

This 1806 1700KV Brushless Motor is a high-speed external rotor motor originally designed for 20V precision polishing tools and has since become popular for DIY aircraft models, electric grinding tools, and creative mechanical projects. With a 3mm D-type long shaft and 23mm rotor diameter, it runs smoothly at high RPM and supports 3–6S battery input (DC 12–24V).

Two base types are available:

• Model A: Base with 2.5mm screw holes (16mm pitch)

• Model B: Base without mounting holes

This 3-phase motor requires an external ESC or brushless driver. At 12V, it reaches ~20500RPM, and up to ~41000RPM at 24V.

Key Features

• KV rating: 1700KV

• Supports 3S–6S LiPo / DC 12–24V

• 3mm shaft diameter, 25.5mm long (front) / 6.3mm rear

• D-shaft design for stable coupling

• 12-pole stator coil with neodymium magnetic rotor

• Dynamic balance correction ensures stable high-speed rotation

• Compatible with electric grinders, model aircraft, custom power tools

• Lightweight at 20g, lead length: approx. 30mm

Specifications

Package Includes

• 1 × 1806 1700KV Brushless Motor (Choose Model A or B)

 

Brushless motor with 3mm shaft, 25.5mm and 6.3mm lengths, 16mm body.

1806 1700KV Brushless Motor with neodymium strong magnetic rotor and dynamic balance correction.

1806 1700KV Brushless Motor, Model B: Base without screw hole. Features three wires and a metallic shaft.