Build a Working Model Ballista with TrebuchetStore.com Ballista Plans and Instructions. Once complete, this Stone Throwing Ballista  is 2 feet long and will throw a scale projectile up to 90 feet.

Professional Design

Professionally engineered, this Roman Ballista design allows you to vary the elevation and bow strength for range and trajectory adjustment. Fire with a soft projectile for indoor use, or a solid one for long range outdoors.

Great Project

Resembling a crossbow, the ballista derives its power from skeins of twisted cord, just like a catapult. The Stone Throwing Ballista is perfect for demonstrating ancient Roman warfare and technology as well as the physics of torsion, ballistics and projectile motion. Ballistas make great science and history projects. 

Easy to Build

Like all  TrebuchetStore.com plans, the Ballista uses common, inexpensive and easy to find building materials, available at your local hardware store or home center. Basic woodworking skills and tools are required, but the straightforward design requires no complicated layout or joinery.

TrebuchetStore.com Ballista Plans come complete with:

• Parts Shopping List
• Measured Drawings for all parts
• Assembly Drawings
• Step by step Assembly Instructions
• Step by step Firing and Tuning Instructions

Want to know how to build a ballista ? TrebuchetStore.com Ballista Plans and Instructions take the mystery out of Ballista design and construction.
 
 

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2-Plan Deal 2 Plans 1. Select Plan # 1 Mangonel Catapult Plan MP1 Roman Onager Plan OP1Medieval Trebuchet Plan TP1Tennis Ball Trebuchet Plan TP2Golf Ball Trebuchet Plan TP3Stirling Trebuchet Plan TP4DaVinci Trebuchet Plan TP5Highland Trebuchet Plan TP6Statistical Catapult Plan CP1Roman Ballista Plan BP1 2. Select Plan # 2 Mangonel Catapult Plan MP1 Roman Onager Plan OP1Medieval Trebuchet Plan TP1Tennis Ball Trebuchet Plan TP2Golf Ball Trebuchet Plan TP3Stirling Trebuchet Plan TP4DaVinci Trebuchet Plan TP5Highland Trebuchet Plan TP6Statistical Catapult Plan CP1Roman Ballista Plan BP1

3-Plan Deal 3 Plans 1. Select Plan # 1 Mangonel Catapult Plan MP1 Roman Onager Plan OP1Medieval Trebuchet Plan TP1Tennis Ball Trebuchet Plan TP2Golf Ball Trebuchet Plan TP3Stirling Trebuchet Plan TP4DaVinci Trebuchet Plan TP5Highland Trebuchet Plan TP6Statistical Catapult Plan CP1Roman Ballista Plan BP1 2. Select Plan # 2 Mangonel Catapult Plan MP1 Roman Onager Plan OP1Medieval Trebuchet Plan TP1Tennis Ball Trebuchet Plan TP2Golf Ball Trebuchet Plan TP3Stirling Trebuchet Plan TP4DaVinci Trebuchet Plan TP5Highland Trebuchet Plan TP6Statistical Catapult Plan CP1Roman Ballista Plan BP1 3. Select Plan # 3 Mangonel Catapult Plan MP1 Roman Onager Plan OP1Medieval Trebuchet Plan TP1Tennis Ball Trebuchet Plan TP2Golf Ball Trebuchet Plan TP3Stirling Trebuchet Plan TP4DaVinci Trebuchet Plan TP5Highland Trebuchet Plan TP6Statistical Catapult Plan CP1Roman Ballista Plan BP1

4-Plan Deal 4 Plans 1. Select Plan # 1 Mangonel Catapult Plan MP1 Roman Onager Plan OP1Medieval Trebuchet Plan TP1Tennis Ball Trebuchet Plan TP2Golf Ball Trebuchet Plan TP3Stirling Trebuchet Plan TP4DaVinci Trebuchet Plan TP5Highland Trebuchet Plan TP6Statistical Catapult Plan CP1Roman Ballista Plan BP1 2. Select Plan # 2 Mangonel Catapult Plan MP1 Roman Onager Plan OP1Medieval Trebuchet Plan TP1Tennis Ball Trebuchet Plan TP2Golf Ball Trebuchet Plan TP3Stirling Trebuchet Plan TP4DaVinci Trebuchet Plan TP5Highland Trebuchet Plan TP6Statistical Catapult Plan CP1Roman Ballista Plan BP1 3. Select Plan # 3 Mangonel Catapult Plan MP1 Roman Onager Plan OP1Medieval Trebuchet Plan TP1Tennis Ball Trebuchet Plan TP2Golf Ball Trebuchet Plan TP3Stirling Trebuchet Plan TP4DaVinci Trebuchet Plan TP5Highland Trebuchet Plan TP6Statistical Catapult Plan CP1Roman Ballista Plan BP1 4. Select Plan # 4 Mangonel Catapult Plan MP1 Roman Onager Plan OP1Medieval Trebuchet Plan TP1Tennis Ball Trebuchet Plan TP2Golf Ball Trebuchet Plan TP3Stirling Trebuchet Plan TP4DaVinci Trebuchet Plan TP5Highland Trebuchet Plan TP6Statistical Catapult Plan CP1Roman Ballista Plan BP1

6-Plan Deal 6 Plans 1. Select Plan # 1 Mangonel Catapult Plan MP1 Roman Onager Plan OP1Medieval Trebuchet Plan TP1Tennis Ball Trebuchet Plan TP2Golf Ball Trebuchet Plan TP3Stirling Trebuchet Plan TP4DaVinci Trebuchet Plan TP5Highland Trebuchet Plan TP6Statistical Catapult Plan CP1Roman Ballista Plan BP1 2. Select Plan # 2 Mangonel Catapult Plan MP1 Roman Onager Plan OP1Medieval Trebuchet Plan TP1Tennis Ball Trebuchet Plan TP2Golf Ball Trebuchet Plan TP3Stirling Trebuchet Plan TP4DaVinci Trebuchet Plan TP5Highland Trebuchet Plan TP6Statistical Catapult Plan CP1Roman Ballista Plan BP1 3. Select Plan # 3 Mangonel Catapult Plan MP1 Roman Onager Plan OP1Medieval Trebuchet Plan TP1Tennis Ball Trebuchet Plan TP2Golf Ball Trebuchet Plan TP3Stirling Trebuchet Plan TP4DaVinci Trebuchet Plan TP5Highland Trebuchet Plan TP6Statistical Catapult Plan CP1Roman Ballista Plan BP1 4. Select Plan # 4 Mangonel Catapult Plan MP1 Roman Onager Plan OP1Medieval Trebuchet Plan TP1Tennis Ball Trebuchet Plan TP2Golf Ball Trebuchet Plan TP3Stirling Trebuchet Plan TP4DaVinci Trebuchet Plan TP5Highland Trebuchet Plan TP6Statistical Catapult Plan CP1Roman Ballista Plan BP1 5. Select Plan # 5 Mangonel Catapult Plan MP1 Roman Onager Plan OP1Medieval Trebuchet Plan TP1Tennis Ball Trebuchet Plan TP2Golf Ball Trebuchet Plan TP3Stirling Trebuchet Plan TP4DaVinci Trebuchet Plan TP5Highland Trebuchet Plan TP6Statistical Catapult Plan CP1Roman Ballista Plan BP1 6. Select Plan # 6 Mangonel Catapult Plan MP1 Roman Onager Plan OP1Medieval Trebuchet Plan TP1Tennis Ball Trebuchet Plan TP2Golf Ball Trebuchet Plan TP3Stirling Trebuchet Plan TP4DaVinci Trebuchet Plan TP5Highland Trebuchet Plan TP6Statistical Catapult Plan CP1Roman Ballista Plan BP1