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  • Users: tHeller
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  1. tHeller

    Do Motor requirements and sourcing help - learning experience

    I'm trying to source a do motor to run an ACME lead screw at relatively high speeds with location control via a Hall effect sensor over the lead screw threads minutes by the controller . Requirements are 2.5 n*m at stall and 2 n*m at 800-1000rpm. Ideal power source is DC 12-36v. It's going into...
  2. tHeller

    Help an ME stay on planet earth thinking about the frequency domain

    I am not an Electrical Engineer. ME with some knowledge of Ultrasound. I need some help making sure im on planet earth with my thought process. Lets say I have a vibration occurring at a frequency of 290 kHz. After the first vibration is induced, at an out of phase time interval, another 290...
  3. tHeller

    Building a DDT test apparatus, question on failure mode of thick wall vessel

    Hello folks, I am working on some experimental stuff of my own and need a pressure vessel to run detonation experiments within. I am attempting to take the experiments into a pressure range that is typically not addressed and in light of that, am very concerned about pressure conditions of...

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