MOTOR PINION → SPUR → DIFF PINION → RING → WHEEL · one final drive number
New to this? Press a START HERE button and you'll get a working answer straight away. Then change one number at a time. Every field has a ? that says what it means and where to find it. Starting numbers are example assumptions, not measured EVUL data.
START HERE
YOUR SETUP
ONE TOOTH AT A TIME
GOING 8S? CHECK POLE COUNT
A 6-pole motor on 8S can leave the ESC only ~5 switching pulses per electrical cycle (EST). That means rough current and extra heat. See Pole count vs ESC switching →