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Curiosity Insight

Curiosity Insight

Learning never exhausts the mind

How to Make a Bladeless Fan?

August 28, 2020 By Miranda Jackson Leave a Comment

The Dyson Air Multiplier fan, with its aspect of a dimensional portal to another plane of cooler existence, seems like magic, but it has its trick. If you are skilled with the tools, you can emulate one of these fans without blades in your own home.

Dyson fans without blades, actually they have blades, what happens is that they are hidden in the base. The air they generate passes through a series of channels that diffuses through the ring on the top. Of course, they are not that expensive for nothing. The internal channels are designed to optimize the airflow with the lowest possible consumption.

Doing the same thing at home would be impossible without something like a 3D printer (and a lot of knowledge about aerodynamics). Still, it is possible to make a fan without blades, and it may be a good idea to, for example, protect the little ones. For this, you only need a few plastic jugs or pots with the right diameter and a microwave fan. It will also be worth one CPU if we want to make a smaller version.

Instructions

Things needed

  • Of course, you need an engine for a self-made fan. The voltage should be around 5 volts. For enough power, we recommend a current of approximately 500 mA when idling.
  • Also, it would help if you had a suitable propeller for the engine. Both components are available either in the electronics market or online at Amazon and other shops.
  • The fan receives power via a USB cable. Use an old USB cable that you no longer need. After the conversion, it is no longer usable for other purposes.

Convert the USB cable for the bladeless fan

  1. Take the USB cable and cut the end off. All you need is the end with the standard USB port for your computer.
  2. Isolate the cable now. This is possible either with a dedicated tool or a sharp knife.
  3. Under the plastic insulation, you will find a silver foil and a coat of wires. Also, the film is removed and the wire jacket.
  4. Now the four wires are exposed in the USB cable. Also, insulate the blue and black wire. You do not need the green and white wire.

Build the bladeless fan yourself

  1. Now connect the motor with the USB cable. To do this, twirl the wires into each other.
  2. Which cables you connect does not matter. If you swap red and black, the engine turns in the other direction.
  3. Now you can try the USB fan. We recommend that you first try the construction on the power socket before using the fan on the computer.
  4. Note: For a firmer hold, we have additionally fixed the wires with solder. This step is not mandatory.

Filed Under: Science & Technology, Topics

About Miranda Jackson

I am a chemistry researcher and research various household products to make life easier and enjoyable for people around the world.

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