![]() ![]() This happens because of the friction the air coming from the fan causes (Dyson says when it leaves the ring it moves at around 55mph). At the same time, the air that is located around the edges of the fan will also begin to flow in the same direction as the breeze. The air that is being pushed out by the impeller induces the air behind the fan to follow suit. This phenomenon is known as an inducement. As the air is pushed along the ramp and out to the front of the fan, the air behind the fan is also pulled along for the ride. ![]() The atmosphere all around us is comprised of various gasses, and all gasses obey the physical laws of fluid dynamics. Related: Looking for a good stroller fan? Read the Dreambaby Clip-On Stroller Fan review Warning: science content coming next Once the air is flowing out, the rest boils down to a quick physics lesson. That air then flows through the hollow “ring” section and out the back (the interior of the ring acts almost like a ramp). There are actually nine asymmetrically designed blades in the housing, that rotate to draw in just over five and a quarter gallons of air a second. It’s not fair to call the Dyson Air Multiplier “bladeless” though – there are blades (that’s how the impeller works), you just don’t get to see them. If you’ve ever seen a car’s turbocharger or a jet engine, then you’ve seen the same basic technology. It’s a high-end bladeless fan! Rather than use blades (like a more traditional fan), the Dyson Air Multiplier has an impeller in its cylindrical base. You’ll notice from the pictures here, that you can’t see any blades – that’s one of the biggest selling parts of the Air Multiplier. I got to test out the 10″ model of the Dyson Air Multiplier (there’s also a huge 40-incher), and it was quite a treat. I’ve seen far too many bad ideas made into worse inventions that it’s nice to see something that works as intended.īut I’m jumping ahead – I don’t want to sell the positives of this thing short, so we’ll get to the negatives in a few. I know a lot of people see the man in the commercials as being cocky and arrogant (yes, you reinvented a vacuum – no, you didn’t invent something life-changing), but you can’t discount the fact that his inventions work. If your house needs a highly functional fan, you should also read our guide to the Airlight screw-in lighted ceiling fan. Now Dyson has come back with another piece of new technology, and this time it’s our fans that he’s saying need to be redesigned. A lot of people scoffed at the design, but a quick look at store shelves today shows 90% of all new vacuums sporting basically the same technology (although not quite as well-executed). It was just a few years ago that Dyson broke out into the mainstream, touting new wind tunnel technology and telling us all how our current vacuum cleaners were next to worthless. ![]()
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