Quote:
Originally Posted by Christ
...If you really wanted to butt-dyno the wind resistance on a bike, you can get a large barn fan (~48" diameter) and build a tube around it with whatever...
|
And make sure to
pull the air through the tube with the fan, rather than push it.
Many years ago, I built a small wind tunnel for 1/8th scale plastic models using a 21" window fan and found out very quickly that the air is much more stable when
pulled through, and not turbulated by the fan blades.
Jim.