Instead of regular upstop wheels, what are known as mushroom bolts keep the cars on track. A flat, freely spinning steel disc is slotted below two spaced rails on the track and bolted to the bottom of the cars.
Wild Mouse
Wild Mouse
12 July, 2004 by Richard Wilson
Instead of regular upstop wheels, what are known as mushroom bolts keep the cars on track. A flat, freely spinning steel disc is slotted below two spaced rails on the track and bolted to the bottom of the cars.
