Hey guys. This is a cool fan project that I did in the summer of 2008 that I called the EFPU. It was built with the main purpose of serving as a backup system for personal cooling and as a night light in the event of a power failure which happens quite frequently especially during the night. Having a few part lying around, this project was inevitable. So, I guess you can say this was born from a necessity. On a later modification, I renamed it model J143-200 because I thought it sounded more commercial. I also printed my name on the 'product' like any manufacturer would for self confidence and to feel proud of my small accomplishment. At the time I did not take photos of the step-by-step process it when through. This was done before I knew about instructables to share my idea. Instead, I made this photo album of the product disassembled and during operation.

It was constructed using 5 old PSU cases, 4 used for the 80mm fan grills and 1 for the case. I had to first draw a layout of the design on paper and build the structure around the fans primarily for convenience. On my initial design, I wanted to use 6 80mm fans because I had extras from the PSUs, but the area in the middle where the 2 of the fans would be mounted would be too narrow and the base would have a funny shape. Besides, doesn't look nearly as good as this one. It not only should be functional and practical but it should also look good doing it's job. My second design actually had 3 120mm fans in the design, one in the middle and two mounted on hinges on either side but then I realized that it defeated the primary reason for this project.

For more info about this project, click here to visit my website
Very nice work here, I'm impressed! We've had some <a href="http://www.federalmetals.ca/about_us/about_us" rel="nofollow">scrap metals in Calgary</a> for a while now and I've been wanting to make something really cool out of it. I might just have to do this.
nice...i'll make until 10 minifan.....thanks for inspiration
Have fun! Remember to post pictures
Do CPU fans provide much cooling at a reasonable distance? <br> <br>They work well enough in a confined space but to cool a person from a distance is another matter. <br> <br>I looked at your website to see the electronics. Using a LM7812 voltage regulator to provide a smooth 12V to the circuit is unnecessary to me - they are fans, not a sensitive electronic circuit. If you want to drop the voltage, then some diodes would do. I would also be concerned about back EMF damaging the LM7812.
lol wayyyy tooooo manyyy fans but cool!!!!!!!!!
Good idea. Recycling is the best option.

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Bio: My favorite hobbies are learning how to do new and cool stuff from more experienced people and building DIY (Do It Yourself) projects. They involve ... More »
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