I finally got to test the power out of my actuator. It’s 580g (1.25lbs) at a 100mm distance, which is awesome. That means 1160g (2.5lbs) at 50mm distance and 2300g at 25mm distance (5lbs). Considering the larger motors won’t be the problem, rather it’s the 3 small actuators at the end of the robot, I should be able to get at least 1lb of lifting force since the small actuators themselves weigh 176g (0.38lbs). Am I doing my math correctly?
In the video I’m running the stepper motor at 250mA. It’s rated at 150mA. The arm is 100mm long and the part pressing the scale is true to the center of the axis on the actuator.