In this instructable (my first) I will show you how to make a simple desktop cooler capible of putting out air up to 30 degrees cooler than ambiant temperature. I will go over a list of the materials, how to assemble it and how to operate it. Not the prettiest thing but when its 90 degrees inside at night, who cares! Also do note that although there may be slightly similar ideas and designs this is my own original idea.
  Materials:                                                                Tools:
Duct Tape                                                               Screwdriver
9v Battery                                                                Hacksaw
120mm PC Fan                                                       Cutting tool
Sharpie (for marking)                                              2in. Holesaw
Window Screen (or equivalent)                              Razor saw (or something else sharp)
4" pipe, 10 inches long
Pet Water Dish (4 in. is great)

                                          [ [ http://www.youtube.com/watch?v=Yw4uC8Yv1K8 ] ]


Step 1:

Hi! The pet bowl is for catching the water, right? How long does the battery last? I think I'd like to do this with a power inverter. <br>Thanks for the write-up! :)
yes the bowl catches the water. You could also keep the pipe 4 inches longer and add an end cap instead of using a bowl. The battery life depends on the fan (I honestly use an plug in transformer myself), its the ice that runs out quick(about 15-30mins) I also made another prototype which looks better and I'll post that before the end of the video. Thanks for looking :)
since the fan is blowing down wouldn't it help to have another fan at the bottom to blow out the cool air <br>
I have tried it with another fan at the bottom, but it only slightly helps the airflow. Also one drawback with a bottom fan is that some of the drips get thrown through the fan and spray the air with water droplets.
More attractive design to be released in the next few weeks.
Hey people feel free to comment! Im more than happy to help you with any questions you may have :)
interesting project, don't be discouraged by a lack of comments

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