Aircraft propulsion system with modular open propulsor rotor assembly

. (canceled)

An assembly for an aircraft with an airframe and a propulsion system, the assembly comprising:a pylon structure configured to mount the propulsion system to a member of the airframe;a support structure mounted to or formed integral with the pylon structure, the support structure comprising a track and a bore, the track extending circumferentially about an axis, the bore extending axially through the support structure and configured as a receptacle for a turbine engine of the propulsion system;

• andan open propulsor rotor disposed radially outboard of and circumscribing the support structure, the open propulsor rotor comprising a rotor base and a plurality of open propulsor blades, the rotor base configured with the track such that the open propulsor rotor is operable to move relative to the support structure and rotate about the axis, the plurality of open propulsor blades arranged circumferentially about the axis in an array, and each of the plurality of open propulsor blades projecting radially out from the rotor base into an external environment.

An assembly for an aircraft propulsion system, the assembly comprising:a support structure comprising a channel and a bore, the channel extending circumferentially around an axis within the support structure, the channel projecting radially inward into the support structure towards the axis to a channel endwall, the channel extending axially along the axis within the support structure between a first channel sidewall and a second channel sidewall, and the bore extending axially along the axis through the support structure and configured to receive a turbine engine for the aircraft propulsion system;an open propulsor rotor comprising a rotor base and a plurality of open propulsor blades, the rotor base disposed in the channel and circumscribing the support structure, the plurality of open propulsor blades arranged circumferentially about the axis in an array, and each of the plurality of open propulsor blades projecting radially out from the rotor base into an external environment to a respective blade tip;

• andone or more bearings moveably coupling the rotor base to the support structure such that the open propulsor rotor is configured to move relative to the support structure and rotate around the axis.