Page 40 - 15 Dangerously Mad Projects for the Evil Genius

Chapter 2 ■ Trebuchet 21

Figure 2-12 Making the sling pouch

Tie a loop into one end of the rope. This will fit It fits on top of piece M (Figure 2-13) that sits
over the hook of the throwing arm. across the base and doubles as the point to attach
the trigger mechanism.
Step 7. Create the Runway
Step 8. Fashion the Trigger
The runway is a rather grand name for the smooth
Mechanism
panel of hardboard (N). It is along this that the
projectile will be pulled before it is lifted by the The trigger mechanism is quite unsophisticated. It
rotating arm. comprises a nail on a string and a hole that goes
through the throwing arm and the piece of wood M

Figure 2-13 The runway