Egyptian scenes show a three-person drill team: one working each end of the bow drill, a third holding down the capstone. This replica rig lets one operator drive two bow drills, one per arm. The maker insists it's a reproduction, not proof of the exact ancient method 🏺🛠️
Single-operator rig reproduces the ancient Egyptian three-man drill team
Key facts
- The presenter explains that Egyptian scenes show a three-person drill team: one person working each end of the bow drill and a third person holding down the capstone.
- His machine reproduces that three-man arrangement with a single operator driving two bow drills, one with each arm.
- He states he has never claimed this is exactly how the ancient Egyptians drilled, and argues the mechanics of their achievements allow for intermediate rigs rather than lost advanced machinery.
- The video argues there must have been some collar or dam around the work piece to keep abrasive in place, though no direct archaeological evidence for a specific rig is cited.
- He notes that keeping the bit perfectly vertical is difficult by hand, reporting the bit binds noticeably when it drifts off centre, so fixed points are needed to control circularity.
- Within the first session a full circular groove was cut into the granite block, and notches in the copper were found unnecessary.
Sources
The Egyptian Bow Drillprimitiveways.com
The objective of this article is to provide some scientific insight into the events which happen when two sticks are rubbed together to ...
5300-year-old 'bow drill' rewrites story of ancient Egyptian ...phys.org
A new study reveals that Egyptians were using a mechanically sophisticated drilling tool far earlier than previously suggested.
How a 5,300-year-old bow drill is rewriting the story of ancient ...from.ncl.ac.uk
The earliest known depiction of a bow drill in use appears in a carved scene on the wall of the tomb chapel of the official Ty at North Saqqara, ...
A 5300-year-old 'bow drill' rewrites the story of ancient ...heritagedaily.com
Bow drills are well attested in later Egyptian contexts, including tomb scenes in the Theban necropolis on the west bank of Luxor that depict ...
Expedition Magazine | Ancient Egyptian Stone-Drillingpenn.museum
The granite core published by Petrie was made by the ancient Egyptians using a tubular drill. Our gluing was done using a combination of hide glue and water ...
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