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Recent content by redlines

  1. redlines

    galvanic corrosion between Al and Ti

    I have a pneumatic motor design with Titanium and 6061-t6 Al in contact. I'm concerned with galvanic corrosion of the aluminum. Al and Ti have a .6V difference in Anodic Index. (.25V is recomended for "normal" environments, .5V for controlled environments)The tolerances on the Aluminum...
  2. redlines

    calculating motor power

    Thanks, I was using rev/s instead of rad/s
  3. redlines

    Statically Indeterminate?

    Christine74 I would treat the upper part of the bar as a rod in pure tension. The lower half is a column in compression with the top free and the bottom fixed. determining buckling requires knowledge of the bar geometry, it is a function of load and geometry. From formulas for Stress and...
  4. redlines

    calculating motor power

    I'm attempting to measure the output power of an air motor. I have measured torque in in*lbs, and speed in RPM. Power in Watts should be: Watts = torque * rpm = lb.in * rev/m * 44.25 My calculated numbers seem low. Am I missing something? Thanks
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