Let's Fire off the Little Dragon Trebuchet!
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| Put the projectile in the pouch and lower the arm of the trebuchet Run the strings and pouch along the bottom of the runway they should stretch out nice and flat. When you release your finger the arm will swing around and the ball will be thrown forward. |
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| . Here is a quicktime movie of the Trebuchet launching |
Trebuchet launch (MOV apple quicktime) |
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Some Tips on making your Little Dragon Trebuchet launch even further
- Put a heavier counterweight
- Move the pivot pin in the swing arm closer to the counterweight. Remember you drilled three holes in the swing arm? This change in location has a big impact on arm swing speed.
- Change the length of the string pouch. The longer the string the faster the projectile will go
- Important: Change the angle of the nail on the end of the swing arm. This angle determines when in the swing the pouch is released. The sharper the angle the later in the swing the pouch is released. So if your projectile is going too high toward the ceiling make the angle of the nail sharper. If your projectle is going toward the ground too soon lessen the angle of the nail
- Make the trebuchet swing arm skinnier and lighter by shaving it or using a thinner piece of wood
Remember to Paint your Trebuchet! It makes a big difference! |
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This is the finished and painted trebuchet. I hope you enjoyed this project! Bookmark This website and check back again I have more projects coming. I also have projects for dioramas and for video game making. Check the sidebar.
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