A recent sighting of an unusual stainless steel ring section at SpaceX’s Starbase hints at potential design updates to Starship. The new section features multiple cutouts, forming six arches around the hull, a design characteristic of the interstage of Proton rockets, known for their ‘hot staging’ technique. This method involves igniting the engines of the next stage before separating the current one, enabling rapid separation.
While Starship’s autogenous pressurization system makes ‘hot staging’ unnecessary for managing gas mixture concerns, the incorporation of this feature could be seen as a proactive response to the recent Starship failure. Just like a launch escape system, the ‘hot staging’ strategy could allow for rapid booster separation in case of a booster malfunction, providing an additional safety measure for manned missions.
To this point, Starship has not been designed with a dedicated abort system. Traditional spacecraft have included such a system as a critical safety feature, intended to quickly and safely distance the crew capsule from the rest of the vehicle in the event of a catastrophic failure during launch. This kind of system provides a means for the crew to survive such scenarios that could otherwise result in total loss. The implementation of an abort system in Starship, however, presents a considerable challenge due to the spacecraft’s unprecedented size and mass, as well as the necessity for extremely rapid engine startups during emergencies.
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