Giant DIY Crayon Rockets!

You thought crayons were just for kids and drawing, think again as this guy has made giant DIY crayon rockets that actually take off pretty darn far.

A Crayon is 93mm (3.66″) long and 9mm (0.35″) thick, overall. The outer paper wrapping (construction paper) is about .5mm thick, so the ends of the Crayon are actually thinner than the body. To build this into the rockets, I needed a nosecone with the transitions and a tail section with a thickness reduction. In the diagram below, the gray area indicates the paper wrapper (and main body tube in my rockets) and the black outline indicates the overall size of a Crayon. All dimensions are in millimeters.

via make

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