Sunday, December 12, 2010

Final Team Design

Our final machines, the Sweeper Car (right) and the Flipper Blocker (left)



Sweeper Car

This is the versatile machine that is designed to score both on the table top and in the slot. Its movement is powered by a double-gearbox, enabling it to turn by reversing the direction of one of the powered wheels.
The Sweeper Car is equipped with the sweepers and the mechanical arm module.
The yellow foam sweepers operate simultaneously, sweeping balls underneath the car as the car maneuvers on the table top. The other sweeper keep the balls in. The Sweeper Car scores on the table top by driving over the opponent's cone, dropping the balls. A six-speed gearbox with a system of pulleys and belts power the sweepers. The foam are set just at the right height so the balls could be swept in smoothly and quickly.




While over the slot, the mechanical arm can extend downward into the slot. The Sweeper car is able to push the balls in the slot while driving forward to score. The mechanical arm is powered by a planetary gearbox. It creates enough torque to lift up the whole Sweeper Car, as shown at the end of the video posted below.


Flipper Blocker

The Flipper Blocker is a gravity powered machine to block the flipper in the slotbot arena, enabling the Sweeper Car to score in the slot and preventing our opponent from scoring. The main arm of the blocker is kept up before the game starts simply with the foam sweeper of the Sweeper Car. The instant the game begins, the sweepers are turned, dropping the blocker.

A dropping of the blocker into the slot is shown in the below video at 0:44

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