Matt.GC
TS Member
The fact that it stalled regularly during testing, shows that it was a known risk. The HSE will likely bring this up in the case as there was evidence of the coaster stalling, therfore there should have been an operating procedure to firstly identify the issue at the very least and then a procedure for how to deal with it.
As it stalled irregularly, and when it did stall the system e stopped itself as it did correctly on the day, shows that Gerstlauer had a robust design system in place for such an event. The fact that it can stall by design is irrelevant as it is reasonable to assume that it is designed as a machine to deal with such an occurance in an effective manner.
It's like the early rollbacks on Stealth. It was a known risk that the train would sometimes fail to clear the top hat under certain conditions so the breaks would be applied after the launch to catch the train and safely stop it on its way back down the launch track. Thorpe always had a clear procedure in place of what to do in the event of a rollback once the equipment had done it's job so the Smiler stalling issue should have had one as well. At this stage we don't know what that was, whether it was sufficient or whether it was just simply not applied for whatever reason.
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As it stalled irregularly, and when it did stall the system e stopped itself as it did correctly on the day, shows that Gerstlauer had a robust design system in place for such an event. The fact that it can stall by design is irrelevant as it is reasonable to assume that it is designed as a machine to deal with such an occurance in an effective manner.
It's like the early rollbacks on Stealth. It was a known risk that the train would sometimes fail to clear the top hat under certain conditions so the breaks would be applied after the launch to catch the train and safely stop it on its way back down the launch track. Thorpe always had a clear procedure in place of what to do in the event of a rollback once the equipment had done it's job so the Smiler stalling issue should have had one as well. At this stage we don't know what that was, whether it was sufficient or whether it was just simply not applied for whatever reason.
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