# Mini coreless motor, 20x8.5, 1mm shaft, 50000RPM, 3.7V, AN

> Mini coreless motor measuring 20x8.5mm with a 1mm shaft, intended for small drones and aeromodels, used together with a propeller for propulsion. It runs on 3.7V DC (range 3.2-4.2V), reaches approximately 50000 RPM, weighs 15g, and has two connection wires, White and Black.

- Page: https://sigmanortec.ro/en/mini-coreless-motor-20x85-1mm-shaft-50000rpm-37v-an
- Price: 12.63 RON
- Availability: In stock; 1-2 zile
- Reference: 33597 · EAN: 5940261330728
- Category: Drones and Radiomodeling > Drone Motors
- Specifications: Input Voltage: 3.7 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.
- Package (shipping data): 0.005 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:42 (Europe/Bucharest)

## Description

Micro coreless motor for drones and small model airplanes, ideal with propellers for fast and easy propulsion. It operates on a 3.7V Li-Ion battery in the 3.2-4.2V range, reaches approx. 50000 RPM, has compact dimensions 20x8.5mm with 1mm shaft, light weight of 15g and White and Black cables for easy connection.
Coreless micro motor ideal together with propeller for drones and small-sized aeromodels.
It operates at the voltage of a 3.7V lithium battery and has a speed of approximately 50,000 rotations per minute.
Specifications:
Supply voltage: 3.2 - 4.2VDC
RPM: 50000
Weight: 15g
Motor dimensions mm: 20 x 8.5mm
Shaft thickness: 1mm
Wires:
White and Black