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Recent content by jdkgml

  1. jdkgml

    Calculate Horsepower to rotate an object resting on a thruust bearing

    OK...thanks for comments...attached is the revuised calculation, let me know if you see any glaring errors. thanks.http://files.engineering.com/getfile.aspx?folder=eb8db81a-b0e7-429d-b2ce-454ee12daff1&file=CAL-760-R1.pdf
  2. jdkgml

    Calculate Horsepower to rotate an object resting on a thruust bearing

    kinda coming to same conclusion that they arev reduntant. eff = 1-c.o.f. thoughts?
  3. jdkgml

    Calculate Horsepower to rotate an object resting on a thruust bearing

    No...not school...calculation at work. Customer comment was concerning the 0.95 value for efficiency, wanted to know why that value is assumed conservative. The only empirical value i got from the vendor was the c.o.f. - i am debating either removing the assumed efficiency completely or...
  4. jdkgml

    Calculate Horsepower to rotate an object resting on a thruust bearing

    Here is what i have done...http://files.engineering.com/getfile.aspx?folder=8a2c20c1-70c5-42af-a7e4-a2ff98c6bc83&file=CAL--760-R0.pdf
  5. jdkgml

    Calculate Horsepower to rotate an object resting on a thruust bearing

    Hi...trying to determine if i need to consider both efficiency and c.o.f. of the thrustv bearing when determining required torque in order to obtain hp. any insight appereciated.
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