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

Page tags: ballista torsion
page_revision: 4, last_edited: 1242165353|%e %b %Y, %H:%M %Z (%O ago)
Unless otherwise stated, the content of this page is licensed under Creative Commons Attribution-ShareAlike 3.0 License