BALLTOWER-RULES - BALLTOWER-RULES

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ME250 | Fall 2011 BALLTOWER - RULES OF THE GAME Public link: http://bit.ly/nfbjSC Introduction You will work in a team of four students to create a remote-controlled machine that will compete against another team’s machine in the "BALLTOWER" competition which will use the North Campus table shown below. The number of points scored by each team is determined by weighing the balls in each bin (see further clarification below) at the end of the round. The team that has the most points in its bin at the end of the round, without breaching any of the rules, will be declared the winner. ALLTOWER-RULES https://docs.google.com/View?id=d56shwm_0d4cr7nf4 of 9 10/5/2011 10:03 AM
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Figure 1: North Campus arena ALLTOWER-RULES https://docs.google.com/View?id=d56shwm_0d4cr7nf4 of 9 10/5/2011 10:03 AM
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Figure 2: Side view of arena ALLTOWER-RULES https://docs.google.com/View?id=d56shwm_0d4cr7nf4 of 9 10/5/2011 10:03 AM
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Figure 3: Top view of arena showing the starting zones (red and blue areas) and centerline (light blue) ALLTOWER-RULES https://docs.google.com/View?id=d56shwm_0d4cr7nf4 of 9 10/5/2011 10:03 AM
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Figure 4: Detail of bottom of tower, showing teflon pads and rubber edges. This is designed for the tower to be easier to slide across the table, but less likely to slip when tipped. If you are considering this strategy you should play with the tower by hand first. Figure 5: Ball retainers on the side edges of the table. These are thin aluminum strips attached with velcro. The strips will easily retain balls, but may not prevent your machine from falling off the table. The Arena Please note the following important features of the arena: Table : The table i s the top horizontal surface of the arena and measures 96"x72.25", plus the ramp and shelf above the ramp. Some ALLTOWER-RULES https://docs.google.com/View?id=d56shwm_0d4cr7nf4 of 9 10/5/2011 10:03 AM
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areas at the top of the table will contain uneven surfaces, hinges, etc., so if you design a vehicle to drive along the top of the table, it must be able to go over bumps up to 1/4" high. Starting Zones : Your machine must begin the contest on the designated side of the arena, within the starting zone detailed below. Balls : The balls are used for scoring points. Each side of the arena will have an equal configuration of balls, with point values determined by mass, as described below. Bins : There is a bin on each side of the arena (not shown in the diagrams). As described later, your score is equal to the mass of your bin, including the balls. The bins are empty at the start of the game. Goal areas : The goal areas are two holes in the top surface of the arena. Each team's goal is on the same side of the arena as their starting zone. Balls can be placed in the hole, and they will roll through a tube and into the corresponding bin. Tower:
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This note was uploaded on 10/05/2011 for the course MECHENG 250 taught by Professor Stevis during the Fall '09 term at University of Michigan.

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BALLTOWER-RULES - BALLTOWER-RULES

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