This post Why Do Most Fans Have Three Blades? appeared first on ELECTRICAL TECHNOLOGY. Why Are Most Room and Ceiling Fans Designed with Three Blades? Cost, efficiency, and power are the three main factors that influence the design of any machine. The law of physics shows that the air-flow increase when the number of blades increases but it also increase the opposing air resistance. Experience based on engineering design … Visit the Why Do Most Fans Have Three Blades? to read the full article.
