Build your own Roman Onager with these detailed, easy to follow catapult woodworking plans and instructions. When built, this Roman Onager stands 12"  inches tall  in the fired position and will throw a scale projectile up to 50 feet.

The most powerful artillery piece in the Roman arsenal and a direct descendent of the Mangonel , the sling equipped Onager took its name from the Persian Wild Donkey, because of its powerful "kick" when fired.

Perfect for demonstrating Roman Warfare and technology, this easy to build torsion catapult uses common, inexpensive and easy to find building materials, all available at your local home improvement store. 

This complete catapult woodworking plans package includes a shopping list of materials,  measured drawings and dimensions for all parts, step-by-step