Vacuum Cannon

  • Thread starter AfRoMaNn
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  • #1
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http://hackedgadgets.com/2006/06/03/vacuum-cannon/

I was wondering how this can possibly work. There's even instructions on how to make it but theoretically, i dont know how a vacuum can do this
 
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Answers and Replies

  • #2
I can't see exactly where the vacuum end is or whether it's sucking or blowing, but it would be fairly easy to explain for many here if we had those details.
 
  • #3
855
302
I think he's suddenly letting air into the end of the 'evacuated' tube, which sweeps the projectile along...

IIRC, this is like the steam catapults on aircraft carriers...
 

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