Constar Outer Rotor Brushless Drone Motor BO2824N2B

Product catalog summary

Overview: This document provides technical specifications for the BO2824N2B brushless DC motor, designed for applications such as UAVs and aeromodelling. It features an outer rotor and operates without sensors.

Specifications:

Voltage Options: 12.0V, 24.0V, 36.0V
Terminal Resistance: 0.18Ω, 0.74Ω, 1.62Ω
No-load Speed: 9800 rpm for all voltage options
No-load Current: 0.37A, 0.19A, 0.12A
Stall Torque: 752 mNm, 749 mNm, 769 mNm
Stall Current: 65.2A, 32.7A, 22.2A
Nominal Torque: 79.9 mNm, 75.5 mNm, 73.2 mNm
Nominal Speed: 7430 rpm, 8040 rpm, 8040 rpm
Nominal Current: 6.9A, 3.3A, 2.2A
Max. Output Power: 193W, 194W, 198W
Max. Efficiency: 85.5%, 85.3%, 86.1%
Back-EMF Constant: 1.2 mV/rpm, 2.4 mV/rpm, 3.6 mV/rpm
Torque Constant: 11.6 mNm/A, 23.1 mNm/A, 34.8 mNm/A
KV Value: 819 rpm/V, 412 rpm/V, 273 rpm/V
Speed/Torque Gradient: 13.1 rpm/mNm, 13.2 rpm/mNm, 12.8 rpm/mNm
Rotor Inertia: 27 gcm²
Weight: 47g
Thermal Resistance: Housing-ambient: 2 K/W, Winding-housing: 2 K/W
Thermal Time Constant: Motor: 290s, Winding: 41s
Operating Temperature Range: -40°C to +120°C
Thermal Class of Winding: 180°C
Axial Play: 0.014 mm
Radial Play: 0.008 mm
Axial Load: Dynamic: 5N, Static: 80N
Radial Load: 29N at 3 mm from mounting face
No. of Pole Pairs: 7
Bearings: 2 ball bearings
Commutation: Sensorless
Protection Class: IP 20

Options: Customizable parameters include lead wire length, shaft length, special coils, gearheads, bearing type, encoder, and driver.

Catalog excerpts

Constar Outer Rotor Brushless Drone Motor BO2824N2B-1

BO2824N2B 外转子无传感器 Outer Rotor, Sensorless 应用领域 : 无人机、航模等驱动领域。 Terminal resistance No-load speed No-load current Nominal torque Nominal speed Stall current Stall torque Nominal current Back-EMF constant Torque constant Speed/torque gradient Rotor inertia Thermal resistance housing-ambient Thermal resistance winding-housing Thermal time constant motor Thermal time constant winding Operating temperature range Thermal class of winding Radial play Axial play Axial load dynamic Axial load static Radial load at 3 mm from mounting face

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