Materials Needed to Build a Trebuchet:
· Two pieces of 24 inch wood · Two pieces of 12 inch wood · Two pieces of 16 inch wood · One piece of 40 inch wood · Screws · ¼ inch drill bit · 1 ¼ inch drill bit · Thin wood to create 8.5 inch by 8.5 inch by 12 inch isosceles triangles · 1 inch in diameter wooden dowel (A shovel handle also works well) · Flat, thin plank of wood 23.5 inch by 11 inch · 30 pounds of weights · Thin nylon rope · Old cloth for the sling · 1 small eye-hole screw to attach the sling · 1 nail to release the sling · 10 inch bolt · 1 nut · 1 large washer · 2 large eye-hole screws for the release mechanism · ½ of a shish kabob skewer for the release mechanism · Plenty of water balloons · Pencil · Large tape measure · Screwdriver · Power drill |
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Monday, May 19, 2014
Materials Needed to Build a Trebuchet
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