Comments by "Daniel Ash" (@danielash1704) on "The Genius of 3D Printed Rockets" video.

  1. Internal cupping reinforces the tanks and have been the killing force caused by wrinkling seemed wall's stand up better .
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  2. Weight is a killer the most important thing is shaping .
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  3. Double walled tanks for super high pressure are pressured in there walls like the aluminum cans pressured .
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