Hatra Ballista
Torsion powered device using two arms connected by a bow string and turned by a high tension twisted bundles of rope called a skeins. Ballista can throw stones (Balls), or arrows. The arms swing between the bundles.
Machines
Power Source
Two Torsion Bundles
Advantages over Ballista
- More arm rotation
Disadvantages over Ballista
- Larger frame
- No supports between bundles
- + Pictures
Sorry, no photos.
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