Quote:
Originally Posted by slomobile
Reading 2015 R42 Table 4-4, it is legal to power electrical solenoids with the PCM. What is a stepper but 4 solenoids arranged about a steel rotor?
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The 2015 list of legal motors includes
Electrical solenoid actuators with a specific limited power and a specific limited stroke length. I am absolutely certain that stepper motors are not, nor do they contain, solenoid actuators.
If I were inspecting a robot and found a stepper motor, I would not consider it legal. If a team tried to argue that stepper motors are just solenoids in a certain arrangement, I would tell them they are entitled to present their case to the Lead Robot Inspector.
If I were the LRI and a team tried to make that case to me, I would give them a yellow card for egregious attempted lawyering.