A Number of pre-engineering and engineering programs use projectile launchers as an experiment for teaching vectors and kinematics. The projectile launcher below is a simple design that allows students to set launch angles and and with a consistant launch velocity. They are also fairly inexpensive to build.
The links below contain pictures of a completed launcher and plans for the various components of the Ballistics Launcher in pdf format.
This version of the Ballistics Launcherwas created by