The fan blades are turned by an electrical motor.
a fan moves air with fan blades.
Fan, because the blades move faster than a dryer.
A car converts the chemical energy in petrol to kinetic energy which makes it move along. A fan converts electrical energy into kinetic energy to make the blades turn.
Wind moves the blades in the direction that it is blowing.
Due to laws of inertia of motion the blades continue to move because as the current is switched off the blades still remain in motion. By aryan nath utpal.(check me out at facebook)
I think it is a combination of the fan motor vibrating against the houseing and the air volocity getting pushed across the fan blades
A twin window fan is considered to have two fan blades. Holmes is one of many manufacturers of such a fan. In reality, a window fan will have at least three blades per fan unit with a twin fan have 6 blades total.
This would generally depend on the size of the fan blades in question as well as the rating of the fan motor. 3 large blades can move as much air as four or five smaller blades. The question is similar to asking, is a big car faster than a small car.
Replacement fan blades can be bought from a number of stores. Retail stores including Home Depot and Lowes sell fan blades. Online Amazon and the auction site eBay have a range of both new and used replacement fan blades.
The fan blades.
a fan moves air with fan blades.
nothing a fan with three blades is just weaker and smaller than a fan with four blades! <3