Recently, I’ve been playing around with old computer power supplies. Naturally, that led me to other components of the computer, namely, the cooling fan. These fans are driven by a brushless DC motor system. This is to achieve a reduced sound and higher efficiency compared to a brushed DC motor system such as those you would see (or hear) in printers, air conditioners and RC cars. Computer fans can range from very simple to kind-of-simple with 2, 3, and 4 wires coming out of it.
Introduction Welcome everyone to the first of (hopefully) many blog posts for the UBC Chem-E-Car Team. The purpose of these posts is to give you, the reader insight into how our organization is run. Through this we hope to generate interest in our organization and to help get other students involved. The topic of our first post is on the importance of trial and error. Most people will look at a finished product and comment on how sleek or amazing it is; while conveniently ignoring that it took years of tinkering and modifications for that item to even function properly!