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Abstract
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Results

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
Small Lifter - 20mm gap
Small Lifter
Small Lifter - 25mm gap
Large Lifter
Small Lifter - 30mm gap Final Results - Efficiency of Small Lifter Vs. Large Lifter
Large Lifter - 20mm gap
Large Lifter - 25mm gap
Efficiency Graphs
Large Lifter - 30mm gap    
   
 

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© 2006 Laura McCrackin. Part of the Virtual Science Fair.