The frame serves a few important purposes. Mainly is holds the axle or bundle off the ground, but it also often provides an anchor point for cocking, holds the sling trough, and effects transportation. In many cases the frame also rolls effecting tuning. There are two very different types of frames, trebuchet frames trebuchet frames and torsion frames.
page revision: 2, last edited: 18 Aug 2007 03:02