How To Build A Catapult

Let's work on the catapult arm

Drill a hole in the catapult arm abou 1/2 inch from one end. . This hole should just be a little bit bigger than the metal bar you are using.

Remember that I am using an axle from a toy car for my metal bar. I removed the bar from the wheels and the diameter of the hole I am drilling is just a little bit bigger than this axle. If you don't have a drill you could use a nail to punch a hole and gentle wiggle it until the hole is a good size. Drill your hole for whatever size bar you are using.

Now put a hook about three inches from the other end of the arm.

Now make the catapult cup by cutting and folding your 4 inch piece of posterboard or cardboard. then glue it to the end of the catapult arm. put it right up against the hook. This will close off the hook so you can squeeze the rubber band onto the hook and the cup keeps the hook closed and the band can't escape. there will be about an inch of wood sticking out past the end of the cup. This is perfect, it gives you something to press down on when firing the catapult. I used glue and a couple of thumbtacks to secure the cup to the arm.

Now it is a real snap to assemble your catapult arm to the base. Simply push the metal bar through one upright, feed it through the catapult arm then push the bar right into the other catapult upright. This picture shows it complete. Put a dab of glue on the bar at each upright so it will hold tightly and if your catapult arm is a bit loose you may want to put a few wraps of tape on each side of the bar near the arm so it is held in the center of the bar.

We are almost done building the catapult

Let's continue on to the next page and finish it up

Want to build a bigger, better, more powerful or fancier catapult? There are some great books available to you. These books, available at Amazon.com will help take your catapult building to new heights! Pun intended!

The Art of the Catapult: Build Greek Ballistae, Roman Onagers, English Trebuchets, and More Ancient Artillery - Nice book that shows you how to build ten different catapult projects, moderate wood working and pvc piping kind of stuff. Good book with complete instructions and materials lists.

Backyard Ballistics: Build Potato Cannons, Paper Match Rockets, Cincinnati Fire Kites, Tennis Ball Mortars, and More Dynamite Devices Want to get a little more creative? This book is off the hook!

Stormthecastle.com

Table of Contents for this tutorial

BACK TO THE CATAPULT MAIN PAGE

1. Make the Table Top Troll Catapult Home and materials requred
2. Begin assembly of the sides and base
3. Assemble the catapult firing arm
4. Complete the assemblly and finish by painting
5. Video of this catapult firing
6. Books/Medieval store
7. Free Catapult Plan

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