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  • Users: mechdesign2k4
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  1. mechdesign2k4

    Help with shear stress problem

    Yes, so I understand, .3kg*9.8ms^2*500=1470N...
  2. mechdesign2k4

    Help with shear stress problem

    Ok the scan finally worked. If you could walk me thru the steps and what they mean somehow I think I will understand it better. BTW the 6 x 5 x 12 bar is a feature that is part of the 300g object to be held in place...
  3. mechdesign2k4

    Help with shear stress problem

    Thanks All, The PDF that was attached waas of great help. fi11-4(a) best represents the calculation. I can plug in the numbers, but what does the answer tell me. Material is 6061-t6, key is 5mm W x 6mmH x 12mm L. Force is 300g x 500G's- 150kg/mm^2. What am I comparing the number to understand...
  4. mechdesign2k4

    Help with shear stress problem

    I have an object that is secured in a dovetail joint which prevents the objects movement in the Y and Z planes. The object has a keyway that runs perpendicular to the dovetail. I would like to lock this object via a bar that runs thru the keyway. How would I size the appropriate bar for the job...
  5. mechdesign2k4

    Charging Circuit

    Thanks All! I appreciate the input!
  6. mechdesign2k4

    Charging Circuit

    Thank you for your reply. I need help with the design of the charging circuit. I did not include the power available, it is 12v 18 amps.
  7. mechdesign2k4

    Charging Circuit

    Please forgive my ignorance in the relm of electrical engineering as I am a mechanical designer. I would like help with a project that I am working on. The description is as follows. I have a flash bulb, that I would like to flash with 1100 joules of power. The charge bank consists of 3...
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