. Maxwell Wheel Apparatus With Easy Adjustment With 22" Height And 3.5" Diameter Fly Wheel. Constructed of heavy wooden base and solid metal fly wheel. Flywheel cord can be easily adjust from the top to fine tune results. Wind cords around flywheel axle and release. The wheel will unwind then recoil due to momentum. Flywheel can adjusted off center to examine effects. Oscillation will run for quite some time due to the adjustability of the apparatus. Eventually loss of momentum and friction will cause the flywheel to come to rest