Here the trebuchet throwing arm has been wound down to the firing position. The projectile is in a sling just to the right of the left hand leg of the A frame and is connected to the end of the throwing arm by a rope. When the trigger mechanism is released, the weight of the ballast in the bucket pulls the base end of the arm down and the opposite throwing end accelerates up and over the top,throwing the projectile rock to the right down the field.
Photos and text copyright 2006 David J Nixon. All Rights Reserved. |
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