Storm+the+Castle

4W list:
 * Who || What || When || Where ||
 * everyone || State Meet || March 17, 2012 || Assumption College ||
 * everyone || State Meet || March 17, 2012 || Assumption College ||

From SOSI (Science Olympiad Summer Institute):

Below (or click here to download) is a movie of a floating-arm trebuchet that follows Science Olympiad rules. IMPORTANT: For Science Olympiad, the wheeled portion must travel horizontally (neither up nor down)! media type="file" key="Storm_the_Castle-SOSI.MOV" width="300" height="300"

A still photo of the same trebuchet:

The wheel-and-pin system for adjusting the trebuchet's release point: --DWJ