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  1. Saturn-V

    Stepper Motor Sizing

    I am working on sizing a stepper motor, and I'm curious how resistive torques will affect motor selection. Let's say the system has an inertia ratio of 2, which is well within the recommended values of 1 to 10. If the system has a lot of resistive torque caused by friction, less than but a...
  2. Saturn-V

    Stepper motor inside pressurized hydrogen tank

    Good clarification, my application would be in a high pressure Hydrogen gas environment. I was thinking of possible failure modes, and was assuming any electrical component has the potential to spark or arc
  3. Saturn-V

    Stepper motor inside pressurized hydrogen tank

    I am sure there are many reasons why it's a bad idea to put a stepper motor/gearbox/clutch inside a tank pressurized with hydrogen, but all I can think of so far is hydrogen embrittlement of the metal components. What other risks/concerns are there? Sparking and explosion isn't a concern...

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