MAKING A CARDBOARD TANK PART 2 – The turret

As mentioned in my last post, i wanted to equip my tank with a spinning turret.

Assembly complete!

Turret succesfully mounted

I started out by making a top plate on which to mount the turret

Measuring the size of the tank hull

Measuring the size of the tank hull

Top plate ready to be folded and glued

Top plate ready to be folded and glued

Top plate fitting great

Top plate fitting great

 

The turret itself is a small cardboard box with a stepper motor attached. I used a cheap 5v stepper motor from ebay. The stepper motor control sequence is running on an Attiny 85 microcontroller, which in turn gets direction input from the main microcontroller of the tank (the atmega 168)

The turret in production

The turret in production

The Stepper motor controller

The Stepper motor controller. The attiny shown here was replaced by a model with more pins

 

I made the “gun” using a pencil and some paper.

The turret attached to the top plate

The turret attached to the top plate

Assembly complete!

Assembly complete!

2014-04-18 14.32.35

Front view

Sloped front is added for extra coolness (and effective armour)

Sloped front is added for extra coolness (and effective armour value)

The insides, now with stepper controller for the turret motor.

The insides, now with stepper controller for the turret motor.

Testing the turret

 

Testing turret together with tracks

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