If I have a motor use in 2 cases, the 1st case I use standard blade and 20% longer blade in the 2nd case. People told me that longer blade will create higher CFM. However, I am not totally sure. ...
What could be the most efficient fan blade design? There are three main factors for a good fan: one is speed at which air is circulated; second,the volume of air it can circulate; and the third is ...
Why does a table fan eventually stop circulating air? I noticed this with every fan I ever used. The fan will work great for about 2 hours blowing air at full speed, then I notice that, even though ...