### What is a speed torque curve? Easierwithpractice

13/09/2020· Torque/Speed Curves. The curve is for the output of the gearbox. The units given on the graph are N·m for torque, and rpm for rotational speed. no load speed, = 600 rpm. stall torque, = 0.325 N·m. max power output, occurs at = 300 rpm, and = 0.163 N·m.