Drilling Granite with a Large Copper Pipe, Ancient Technologies Today

The experimenter Nikolai Vasyutin have decided to drill a really large hole with a diameter of 20 cm (8 in). Reconstruction of ancient technology Materials: copper (copper sheet, nails, saw), wood, granite, ropes, water, abrasive corundum Thickness of granite tiles: 2527 mm Copper consumption: 50 g. Granite wear: 90 g. The participants: Nikolay Vasyutin Alexander Sokolov Oleg Kruglyakov Vladimir Morozov Bonus: drilling with a tube cast from copper using ancient technology. Thanks to Igor Gorashchuk for the casting. English translation: Julie Deshtor aka Genviel (Genviel History Podcast English voiceover: Dmitry Oliferovich Shooting and editing: Vladimir Morozov Animation: Clarus Victoria Music: Valery Senmuth With the support of: What could the ancients Principles of tubular free abrasive drilling (Oleg Krugliakov): Eager for more experiments Become a Patron: The premiere of the video was held at the Forum Scientists Against Myths7 on June 16, 2018 in Moscow. Forum Organizer: Contact: Skype: yakudzo