Eisco GP00016 Garage Physics Ballista - This kit allows students to explore torsion springs, forces, energy transformation, mechanical advantage, and projectile motion. Shoots ping pong balls over 30 ft. in this fully-functional ballista. Launches a distance of more than 30 ft, depending on launch angle and string tension.Students use only wood, string, and leather to create one of the most efficient weapons of siege warfare. The included stand allows exploration of launch angles from 15° to 45° in increments of 10°. Manufactured with high quality, precision-cut birch veneer pure bond plywood. The Birch Plywood is formaldehyde free using soy-based technology, LEED compliant, CARB compliant. |
