LEGO Tube Push

Name of Event:	LEGO Tube Push
Robots per Event:	One
Length of Event:	1 minute maximum
Robot Weight Range:	Any
Robot Dimensions:	12" x 12" x 12". The robot may expand after starting.
Arena Specifications:	48" x 48"
Robot Control:	Autonomous
Engineering Principles:	Mechanical Engineering, Computer Science
Event Summary:	Robots are programmed to find as many small tubes as possible in the event arena and move them onto a designated target area.

The area is 4' x 4' square surrounded by walls made of 1" x 4" boards (slightly decreasing the arena area). The floor of the area is smooth brown press-board. Three more walls are attached inside to form a very simple maze. Black electrical tape marks the start and target areas. Seven paper tubes are placed in a grid as shown in the diagram. The tubes are common toilet paper tubes (4.5" high, 1.75" diameter).

The objective is to pick up, move, and/or knock down the tubes. The robot must start completely within the 12" x 16" starting area. Once activated, the robot must operate without any human guidance.

Scoring: The robot is stopped and points are awarded at the end of one minute as follows:

	In Target Area	Moved (but not in target)	On Robot (bonus)
Robot	30	5	-
Tube Vertical	10	2	+5
Tube Not Vertical	5	1	+5

"On Robot" means the tube is supported by the robot not touching the arena. Maximum score: 135 points.

Sensor and parts limitations: Only one NXT brain, 3 motors, and 4 sensors may be used per entry. Only unmodified LEGO and HiTechnic brand parts, motors and sensors available directly from LEGO or LEGO Education are allowed. Third party manufactured parts are not allowed.

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