Gauss Howitzer – Educational Magnetic Accelerator Model

The Gauss Howitzer is an educational magnetic accelerator designed to demonstrate fundamental physics concepts—most notably the law of conservation of momentum. It is not a weapon, but a tabletop learning tool that visually illustrates how kinetic energy can be transferred through a sequence of interacting objects.

The device uses a strong neodymium magnet and steel balls to accelerate a lightweight projectile (e.g. Airsoft BB) placed in the barrel. When released, a steel ball is attracted to the magnet; its kinetic energy is transferred through the system, ultimately propelling the projectile forward. This process is analogous to momentum transfer in billiards, where energy passes from one ball to the next.

Required components:

• 1 super-strong cylindrical magnet (∅1/2 × 1/5 inch, N35 neodymium)
• 1 steel ball, ∅1/2" (12.7 mm)
• 1 steel ball, ∅8 mm
• Aluminum tube, ∅10 × 1 mm (approx. 85 mm length) for the barrel
• Airsoft BBs or dried peas for the projectile
• Small screws for assembly

Operation:

1) Place the larger steel ball into the rear trough.
2) Release it so it is attracted toward the magnet.
3) The kinetic energy transfers through the magnet to the smaller steel ball and finally to the projectile.
4) The projectile exits the barrel, clearly demonstrating momentum conservation.

This model is ideal for classroom demonstrations, hobbyists, and anyone interested in hands-on physics experiments. Always operate responsibly and keep it out of reach of children.