Home / Engineering Notes
Engineering notes
How our engineers size a motor
The calculations we run before proposing any motor — selection parameters, working formulas, worked examples and the checklists we use, written for engineers.
Sizing
The Complete BLDC Motor Selection Guide — Voltage, Current & RPM Calculations
Voltage, current and RPM parameters, worked torque and power calculations, gearbox pairing, driver matching and a 10-point checklist — ready to use on a real project.
Read the method →AGV / AMRGear Ratio Selection — Finding the Optimal Ratio for AGV Wheel Drives
Step-by-step required RPM, torque and ratio calculations, a 500 kg AGV worked example, gearbox type comparison and an 8-point selection checklist.
Read the method →BLDCBLDC Driver Wiring & PWM Setup — The Complete Beginner's Guide
Power, U/V/W motor phases, Hall sensor and encoder connections, PWM control principles, a practical setup sequence, troubleshooting and five safety rules.
Read the method →Sizing a motor for a real application?
Send your operating point — voltage, torque, speed, envelope — and get an engineering answer in 48 hours.