4 connect one end of the ac power adapter to the

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4. Connect one end of the AC power adapter to the interface and the other end into an outlet. Turn the interface power switch on. 5. Download the “Buckler Screen.exe” application onto the laptop. Insert the “Calibration Slope” as requested. This number can be found on the base of the buckler apparatus. 6. With no load being applied, click the “Zero Calibrate” to have the apparatus ready for testing. 7. Once you have the “SCALE ON”, start applying a load by turning the loading screw clockwise. Rotate slowly because the load being applied to the column increases significantly. Rotate no more than ten degrees between reading. Stop loading the column when a deflection of 1/8” has been attained. 8. Record the load reading and loosen the loading screw again. Make sure the apparatus read 0, and if not, click the “Zero Calibrate” button again. 9. Repeat the previous step 8 times for each column. 10. Once the 16 trials have been completed, load the steel rod again until the deflection reaches ¼”, 3/8”, ½”, 5/8”, and ¾”. Record these load readings accordingly.
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Results: The results of this experiment were calculated with the formulas found on the Excel sheet. They illustrated the difference in loads needed to deflect a steel rod versus an aluminum bar. For the steel rod, the average load (for a 1/8” deflection) was 43.5 lbs, while the aluminum
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  • Spring '10
  • Dr.Doe
  • STEVENS HONOR, critical buckling load, Design Laboratory III, Alex Fidalgo Stevens Institute of Technology, 43.5 lbs, 166.8 lbs

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