Rubber Band Trebuchet

If it s too tight it will deform the hooks and if it s just snug you will actually get a little assist from the rubber.

Rubber band trebuchet.

The rubber band should pull on the sides of the vertical curve not the sides of the hooks. My trebuchet is a bit different than some of the others that you see in that uses a rubber band instead of a counterweight. Drill with bits wrenches rotary tool with bits clamps procedure. 2 wood blocks 5 1 2 x 2 1 2 x 1 d e 3 wood dowels 3 16 x 2 1 2 a b c 1 balsa plank 3 4 x 1 2 x 7 f 1 8 32 x 5 bolt 1 8 32 nut 8 8 washers 1 4 screw eye hook 1 plastic egg shell orthodontic rubber band super glue tools.

Don t make the rubber band really tight. Rubber band trebuchet materials. You want the rubber band to wrap on the side without the wire back and forth. I opted for rubber bands because they gave me better results with this particular trebuchet than weights and they are much more compact.

A trebuchet works differently. This kind of siege engine is called a spring trebuchet a form of a torsion trebuchet. The trebuchet is a medieval device not unlike a catapult that was used in warfare to hurl damaging objects from afar into areas that were otherwise inaccessible such as over castle walls and into forts.