Tag Archives: plastic

Robot Chassis with Plastic Ball Caster

This is the 1″ plastic ball caster that I ordered from Robotshop. The white ball pops out of the black holder, which has three bolt holes to secure it to the robot chasis. I positioned the holder on the wooden … Continue reading

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Sixty plus years of plastics

I just finished reading a book, The Production and Properties of Plastics. I won’t link to Amazon.com, because it probably isn’t there. The book was written shortly after World War II. I learned what a sprue is. I wonder if … Continue reading

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