CoasterCrazy
Giga Poster
Well, I guess if the train gets stuck in the inversion...but I can't seem to think of anything else. There are lots of coasters that have them, some well known but I guess it's mantainance.
Aren't corkscrews under more stress from the force of the train because of their tightness?
Aren't corkscrews under more stress from the force of the train because of their tightness?