Matthias Paul Scholz's

Robots:

Dicke Bertha Typ II (Ball Gun)

Robots		Created: September 2006
	LDraw file Building instructions Bills of Material	The Ball Gun Dicke Bertha Typ II (German for: Big Bertha Mark II) is an enhanced version of Dicke Bertha, a NXT driven gun for the Blue Ball contained in the NXT kit. It additionally features a second motor for the firing mechanism, a (detachable) magazine for four balls and a rotating Ultrasonic sensor for target detection. To propel the five motors required, Dicke Bertha Typ II is controlled by two NXT bricks that communicate via Bluetooth.
	Movie of Dicke Bertha Typ II firing - note the ultrasonic sensor detecting the target (the camera man) and directing the gun accordingly Movie displaying the (discreditably low) firing range of Dicke Bertha Typ II	Dicke Bertha Typ II Dicke Bertha Typ II with magazine The magazine The firing mechanism The rotating ultrasonic sensor The gun The Far Side