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The Vacuum Bazooka



The Royal Institution

In the spirit of recycling, why buy a brand new bazooka when you can fashion one out of everyday household items?

The Naked Scientist’s Kitchen Specialist, Dave Ansell, presents the pinnacle in home security with his custom build vacuum bazooka. Utilising plastic pipes, tubes and foam covered projectiles, the vacuum bazooka really is a weapon fit for modern warfare (or science demonstrations).

Looking under the hood, this unit boasts 1300W of fully unadulterated Hoover power, a choice of loading mechanisms (from hand fed, to chain fed) and a firing range of over 30 metres.

More info on the vacuum bazooka http://www.thenakedscientists.com/HTML/content/kitchenscience/exp/vacuum-powered-bazooka/ or check out the Naked Scientists YouTube channel http://www.youtube.com/user/NakedScientists/

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26 thoughts on “The Vacuum Bazooka
  1. This would probably also work with saboted rounds. You could shoot jelly babies, confetti, Cadburys cream eggs, rusty iron nails, or titanium darts (as in the "sport" "darts") which of course have their own fin stabilization. Some more plumbing connections would allow you to connect a whole ring of vacuum cleaners. This would consume more electricity, so if your energy is not coming from a renewable resource I would advise against it. However you could move up to much heavier projectiles.
    Probably best to stay away from lead and depleted uranium for obvious environmental reasons. But you'd be freed from the work hardening issues of machining titanium and could use normal or ultra-maraging steel.
    A pulley running off the motor of one of the cleaners via a reduction gear would in the end simplify your ordinance feed issues, although I'm not currently disposed to discuss plans for auto cannon vacuum bazookas even if I had knowledge of such developments. Needless to say these concepts also apply to the vacuum mortar and its vehicle mounted derivatives.

  2. Hmm… this gives me an idea for a double action hand pump gun… but it'd probably be easier to just use compression off both strokes than alternating to vacuum

  3. With the removable box magazine design, you said it was inspired by the Bren. Well, I invented a nearly identical setup, but with mine I turned it 90 degrees to the left, whereupon it was inspired by the Sten. But then I lost grip on the main tube and gravity kicked in, causing it to turn 90 degrees to straight down. At that point it was inspired by the B.A.R.

  4. Hi, I just saw this cool video. Good job lads. It would be interesting to know how fast the projectiles are traveling, the projectile weight and joules produced.

  5. With time on your hands , wonderful ideas evolve from thought ,2 dimensional ((drawing)) to 3 dimensional ,(( the real thing.))……..Everything made comes from an inquiring mind….Well done, good man……

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