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. ...
I have heard that the traditional resistor-based fan speed regulators are inefficient. In fact, I have noticed that such regulators tend to get hot when the fan is set to low speed. However, does that ...