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how to make mercury rain
Our 98 robot "Navarone" had a spring loaded vertical "gun" made of two nested PVC sections with a trigger mechanism. It was designed to go under the "ladder logic" field and pop up under the other team's balls sending them flying so they couldn't score. The section which popped up went about 4 feet over the height of the bot. It was a lethal projectile restrained only by the metal frame of the machine.
While building the machine we were trying different tensions on the spring mechanism and had the robot on top of a shop bench in our woodshop. We set it off.
The shop fluorescent fixtures are about 6 feet over the benches-
Nuff said..
WC
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