I just saw that this morning. That is a heck of a fatigue failure for that much steel. Glad somebody noticed...Check out the north Carolina roller coaster stress failure that made the news yesterday. Scary photo.
So much for a morning "preflight" before starting up for the day.Check out the north Carolina roller coaster stress failure that made the news yesterday. Scary photo.
Check out the north Carolina roller coaster stress failure that made the news yesterday. Scary photo.
There's a very good possibility that the support was too close to the other one in the design. One was flexing and the other wasn't or the flexing of one created a resonance in the other.
either way, that's a lot of stress on that broken pole based on watching how far apart it sets without stress and how much it moves with stress.
Cracked through then end of 2 members and a weld on either side... I am wondering how many times you allow the coater to run while filming it before shutting it down?There's a very good possibility that the support was too close to the other one in the design. One was flexing and the other wasn't or the flexing of one created a resonance in the other.
either way, that's a lot of stress on that broken pole based on watching how far apart it sets without stress and how much it moves with stress.