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Dicke Bertha
Dicke Bertha is a dual NXT mobile tank so to speak.
About this creation

Be sure to look at my Lego page for videos, photos and to find other Lego creations.

This is a modified version of Matthias Paul Scholz's Dicke Bertha Typ II that can be found here:
The main modifications was making the robot go from stationary to mobile. I installed the ultrasonic sensor on the gun barrel and used the original motor for it plus another to provide a 3:1 drivetrain with 4 wheel drive. Another was the addition of more sensors: light, color, eopd, and sound. The color sensor monitors the number of balls in the magazine and ensures the right kind of balls are there as well. The light sensor for now is used as a visual indicator. Lastly, because of a lack of suffcient parts ( I was building from leftover parts of what I had without dismantling other projects) the gun barrel is extended and I used my own design for the magazine. Then it was just little add-ons like bumpers and what not. To build this you'd need two NXT sets plus the Ultimate Builders Set from the Robotics Invention System

Dicke Bertha (also known as Big Bertha) is named after the German howitzer of the same name. It's big, it's neat, and it's complex!

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By Brian Mausolf
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Added July 7, 2012

LEGO models my own creation MOCpages toys shop Dicke BerthaRobotics

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