Check out this micro cannon youtube video!

[frankgg]

http://www.youtube.com/watch?v=IxHW-QGMuZ4



I think it would be really cool to build something like that... I wonder what size steel balls he uses?  Also how much black powder and grain size?



ETA:

Found another site that actually sells "Nano-cannons"

http://www.hardcorehalloween.com/index.php?pr=Nano_Cannons

[GGaskill]

Perhaps an 1/8" ball bearing.  Should be able to get some idea of scale from the cigarette.

Did not look like he was using black powder.

[dan610324]

if you watch the movie in the right upper corner of the screen he tells that he use pyrodex
but at 100 dollars each I dont think he will sell many of them

[Double D]

if you watch the movie in the right upper corner of the screen he tells that he use pyrodex
but at 100 dollars each I dont think he will sell many of them

And he crushes the pyrodex up...not good.

[dan610324]

but still just a woooosh when fired
there is no substitute for bp