The main concern for engineers when designing a new technology is the safety of the general public. Initially the bogie did not have any types of fail safe system, if the bogie's wheels were to fail it would send the cabin plummeting down to the ground, potentially resulting in several fatalities. My initial thought was that the primary wheels would take the most amount of stress so they might fail first. My design is really simple in that if the bogies primary wheels were to fail, there would be a secondary rail system with wheels attached to the bogie. The wheels do not touch the rail unless the primary wheels fail. It is important that the bogie can still move once the failsafe system is activated, aka Limp Mode, because we want the bogie to be able to travel to a safe location where it can be repaired. My idea was to design around what is already available and see if there is a way to make the bogie safe with minimal costs or effort.
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