Here is a simple and straightforward method to build an air tank array using 2 liter bottles
This will get the air stored in a compressed state without the bulky air tank.. If you are a hobbyist, you always need some compressed air to blow away sawdust, filing debris or any other flotsam and jetsam..
This is a boon for the IT guy as well to blow the dust out of the component parts of whatever piece of computer or electronic gear which you may be working on ..
Head to the next page to see the actual build Beyond being useful, you will have fun building this air tank