Objective: Construct a machine that throws a small rubber ball as far as possible. The machine that throws the ball the farthest wins.
Materials:
Popsicle sticks
wood dowel
foam core board
thin wire
rubber bands
hot glue
tape
metal ballast
paper
manila folder
hanging Folder
paper clips
cotton string
Arduino kit
Rules:
1. The machine must be stationary.
2. The machine must operate without human aid – only the pushbutton and potentiometer may be touched in order to launch the ball.
3. The machine should be able to re-load and launch a second ball without the need of human aid other than touching the pushbutton or potentiometer.
Here is one of the catapult kits (the potentiometers have not arrived yet):
The Arduino catapult competition was held on Friday, November 16. There were four working catapults, but all four violated the rules in some way.
Fourth Place: 7' 10.5"
Third Place: 9' 11"
Second Place: 12' 5.5"
First Place: 12' 8.5" (the ramp was damaged after testing)
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