Flying ready-made quadcopters is fun. Eventually, though, most hackers get the urge to build their own. One of the most challenging parts is building a robust airframe. [Thomas Jarrett] has an ...
PVC, as the synthetic material Polyvinyl Chloride is called, or Polyvinyl Chloride, is one of the most produced plastics in the world, reaching 40 million tons per year. Its application is quite ...
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