DIY: Vacuum pump - Make

I am working on a project where I need to create a vacuum. After searching the Internet I found this really nice solution. It most likely isn't as easy as

How to Make Vacuum Pump and Vacuum Chamber

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Category:Vacuum pumps - OHO - search engine for sustainable open hardware projects

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Vacuum pump DIY

Video] Make Your Own DIY Vacuum Pump Using Car Air Compressor. - BRILLIANT DIY

How to Make Vacuum Pump and Vacuum Chamber

How to Make a Vacuum Cannon & High Volume Vacuum Pump « NightHawkInLight :: WonderHowTo