DIY LEGO Machine Gun

Oh wow.. only took two tries to break an egg.

Not enough power and the balls don't shoot 1 at a time.... looked like multiple balls were falling into the gun at the same time.

Now if they can get it to be able to shoot through both sides of an aluminum can with just 1 ball I will be impressed. That's what my spud/rubber plug gun can do.
 
I think that's pretty sweet. I used to play with Legos all the time as kid so seeing something like this brings back a bit of nostalgia...though I never made anything as cool as a machine gun...:p
 
Now I know what I need to do with my NXT kit at home.

Build that, and make it track the cat with a vision system. :D
 
To the poster that said it shot all the balls at once. It shoots them 1 at a time but in rapid fire, thus machine gun. That thing needs a MUCH bigger clip!
 
I KNOW it is a "machine gun"... but it still looks like it isn't loading the balls correctly.

Full screen it and watch the balls going down. Something is either almost jamming or 2 balls are going down at the same time on one or more of the fires.
 
I think your right the first couple fire 2 or 3 at a time until the speed of the trigger getts moving adequately. Still for legos that frig'n rocks!
 
Maybe slowing down the rate of fire and extending the barrel would help? Other than that, a cool idea. Makes me wish I still had legos.
 
This is cool. I woneder if the guy got drywall damage from those bearings.
 
Need thicker rubber bands :D

You could use a worm screw to cock the gun with much thinker bands.
 
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