How To Make A Small
Torsion Catapult (Mangonel)
Part 3: Finishing
You are practically done with this mangonel and there are just a few small details you should do to make it complete. The picture below shows you what you need to do. First, make yourself a little cup out of cardboard and glue or staple it to the end of the catapulting arm.
Then you just need to make the releasing mechanism. Put one eye hook or electrical stape in the end of the throw arm then put one in each of the legs of the catapult as shown. You should be able to easily put a piece of coat hanger through all three. When you pull this coat hanger out the catapult fires the projectile!

If you need to fire this catapult off from a distance just use a straight piece of coat hanger and tie a long string to it and you are good to go! Now the only thing that remains is for you to paint it or decorate it in any way you please. Have fun with your Mangonel!! I have a video of this whole project located here: Video on how to make a small mangonel catapult
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