Wind Power
Example Device Testing Setup
CD mount hub
and motor
Stopwatch
(not shown)
Adjustable
height and angle
20” multispeed
box fan
Digital
multimeter
>= 15cm
above table
5-7.5 Ohm
resistor
Line 5cm
from fan
Moveable base
Ruler to check
distance from fan
Version: 2015-2016/2
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High speed and low speed stations
Timing 30 s
measurement
period with
cell phone
Version: 2015-2016/2
Checking spacing to fan
Reading
result from
multimeter
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Other example
homebuilt setups
Version: 2015-2016/2
www.soinc.org