What's the noun for torquier? Here's the word you're looking for.
torque
(physics) A rotational or twisting effect of a force; a moment of force, defined for measurement purposes as an equivalent straight line force multiplied by the distance from the axis of rotation (SI unit newton metre or Nm; imperial unit foot-pound or ft.lbf).
“That burns out the torquer motor that moves the mirror within the periscope head itself.”
“Technicians repair the circuit cards for all three GCS versions to the component level and replace cryo engines, image detectors, and torquer motors.”
