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Through my experiment, I discovered many things. The power (voltage x current) and deflection were linearly related in every trial. The efficiency of the smaller lifter was 366.06 watts per Newton with a 20mm gap, 322.02 w/N with a 25mm gap, and 292 w/N with a 30mm gap. The efficiency of the larger lifter was 330.92 w/N with a 20mm gap, 292.5 w/N with a 25mm gap, and 212.56 w/N with a 30mm gap. For the most part, larger gaps between the foil and the wire resulted in a greater efficiency. The larger lifter was more efficient than the smaller lifter in every trial.
Please select the results you would like to view. Each link includes the numerical data for the trials done in each category, and a scatter plot of the power vs. the thrust. These graphs can be viewed side-by-side in the graphed results links. Click here for an explanation of how I calculated the thrust and efficiency of my lifters.
If you do not wish to read through all of my results, you can skip forward to the final results, at the bottom right of this page.
| Raw Data - Voltage, Current, Power, Deflection, and Thrust |
Graphed Data - Power Vs. Thrust for Each Gap |
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Small Lifter - 20mm gap |
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Small Lifter |
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Small Lifter - 25mm gap |
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Large Lifter |
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Small Lifter - 30mm gap |
Final Results - Efficiency of Small Lifter Vs. Large Lifter |
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Large Lifter - 20mm gap |
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Large Lifter - 25mm gap |
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Efficiency Graphs |
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Large Lifter - 30mm gap |
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