Instructables
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Picture of Lego Quad Gun
This is a Lego device that when the wheel is turned it will fire four darts one after another.
 
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Step 1: Parts Needed

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Here are all the parts you will need. You will also need a base plate of some kind.

Step 2: Bulding the Base

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This it the basic structure, just follow the pictures.

Step 3: The Main Gun

Like the title says, this is the construction of the main gun.

Step 4: Random Bits

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This is really the parts for the auto firing system.

Step 5: Putting it together

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Here you will be putting the pieces you have made so far together.

Step 6: Adding the Turning Mechanism

This is the last part of the gun! It is so that firing it will be much easier.

Step 7: And You're Done!

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Congratulations! You can now make a case for it or what every you want! Also to fire just load each cannon and turn the knob counter clockwise.
This is great! How did you get so many cannons?
Oicu81shoe (author)  Zachary48011 year ago
Various sets, it wasn't too hard really.