The+Ghost+Guns+of+Gallipoli

Lots of drip rifles were timed to go off at different times to give the impression that the ANZACs were still in the trenches. In actual fact they were creeping down to the beaches to escape.
Source: empirecall.pbworks.com || Source: www.abc.net.au ||
 * [[image:Drip Rifle at Bandiana 2007.jpg width="823" height="315"]]

Here's what we came up with in the Allen Centre...

 * [[image:allencentre/01-04-P1390702.JPG width="488" height="334"]]

is set up and ready.
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8. What size of the balloon makes the loudest BANG? Why?
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 * [[image:22-P1390754.JPG]]

BANG Model 2
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6. What are the variables which could affect the timing of the BANG?
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 * [[image:15-09-P1390734.JPG]]

Andrew's machine design...
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