Given that the actuators are so light, it means that you don't need the extra power required to lift the actuator itself. They indicate that they've had a 1000

Given that the actuators are so light, it means that you don't need the extra power required to lift the actuator itself. They indicate that they've had a 1000x increase, which means that to lift 1kg you only need force to lift 1.001kg instead of 2kg