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Compressed air powered engines

PostPosted: Sun Jun 26, 2011 11:42 pm
by kevin
not exactly "free" energy as you still have to compress the air but compressors are cheap to run for the amount of time you'd need to run it.


http://www.youtube.com/v/EjT6qqC4FIk&NR=1


how it works


http://www.youtube.com/v/jjSOvbsE460



http://www.youtube.com/v/hwgQsF18NVM



http://www.youtube.com/v/w6uiWsipySw