Catapult physics is basically the use of stored energy to hurl a projectile (the payload), without the use of an explosive. The three primary energy storage mechanisms are tension, torsion, and gravity.The catapult has proven to be a very effective weapon during ancient times, capable of inflicting great damage.atapult physics is basically the use of stored energy to hurl a projectile (the payload), without the use of an explosive. The three primary energy storage mechanisms are tension, torsion, and gravity. The catapult has proven to be a very effective weapon during ancient times, capable of inflicting great damage.
Assembling the Armor. 1  1. Shape and contour the craft foam to your body. 2  2. Glue the craft foam together wherever the pieces were designed to overlap. 3  3. Reinforce and stiffen the armor.  4. Work in 1  sections. 5. Leave openings.  6. Decide how to attach the armor to your body.
Posts: 2. How to make Saiyan Armor (DBZ) My friend and I are planning on cosplaying Saiyan Armor Vegeta and Trunks and were wondering which was the best method for creating saiyan armor and what is the best materials to use. Thanx to anyone who can help.