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: 25-27 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 Myths-7“ on June 16, 2018 in Moscow. Forum Organizer: Contact: g_souris@ Skype: ya-kudzo