Building the World's Weirdest Fan
A video on YouTube. In Maker & Builds, a Krater category.
Watch on YouTubeSummary by Krater
The creator builds an unconventional cooling fan powered by water pressure and magnets, experimenting with linear motors and water pumps before successfully constructing a working bellow system in a custom-built enclosure.
From the video
Answers: Can you use bellows to cool a computer instead of fans?
- bellow cooling fan
- linear motor
- electromagnetic coils
- water-cooled computer components
- mini DC water pumps
- CNC router fabrication
What it concludes
- A linear motor made of permanent magnets and electromagnets can move a mover back and forth, but the motion is jittery, slow, and weak.
- Using computer water cooling components and a water pump can successfully move a magnet inside an acrylic tube, but water pumps have an annoying four-second startup delay.
- Tiny DC water pumps with very few electronics start up instantly and can be placed in series for high head pressure.
- Bellows powered by mini water pumps provide comparable performance to four 140mm fans at full speed while producing a much quieter, repetitive sound.
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