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Observations Observations for each rotor variable manipulation were recorded on the
following data worksheet. As noted previously, each of the 12 rotor variables
was tested at medium and high fan speeds, using three sizes of DC motors and
ten measurements each of wind speed, mAmps, mVolts and RPM were taken. In total,
72 of the following worksheets were completed.
Data Worksheet Independent Variables: Motor Size:_____ Fan Speed: _____ Rotor 1 Size:_______ Rotor 2 Size:_______ Rotor 3 Size:________ Number of Rotors: ___ Rotor 1 Position:_____ Rotor 2 Position:____ Rotor 3 Position:
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