Ologies with Alie Ward Experimental Archaeology (OLD TOOLS/ATLATLS) with Angelo Robledo
Aug 11, 2020
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Atlatl Physics Boosts Dart Energy
- Atlatl is a Nahuatl-derived spear-thrower: a handle with a hook that propels a flexible dart, increasing leverage and angular momentum compared to hand-thrown javelins.
- The atlatl system propels darts from behind their center of gravity, enabling higher energy transfer than holding a spear at its midpoint.
Atlatl As Humanity's First Complex Weapon System
- The atlatl may be the first complex two-part weapon unique to Homo sapiens and predates the bow by millennia, found globally except Africa and Antarctica.
- Bioarchaeological markers like 'atlatl elbow' in 42,000-year-old Australian skeletons hint at early atlatl use around 45,000 BCE.
Dart Flexibility Keeps Points On Target
- The dart's flexibility is crucial: a tapered, front-stiffer shaft stores and releases flex to keep the point stable while the rear flexes 6–8 inches in flight.
- Without taper and flex the dart fishtails and misses; successful design concentrates flex behind the tip.