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4.6.1.3 tail cone thruster (e.g. starc-abl)

A tail cone thruster is a type of propulsion system where a thruster or nozzle is integrated into the tail cone (or aft section) of an aircraft. This design typically involves a ducted fan or a jet engine nozzle that is embedded within the tail cone structure, providing thrust while minimizing drag. The tail cone thruster can offer improved efficiency and reduced noise levels compared to traditional engine configurations.
Many tail cone thruster concepts are designed for boundary layer ingestion, where the propulsor draws in the slow-moving air over the fuselage to reduce drag and improve propulsive efficiency.
STARC-ABL is a NASA concept for a single-aisle turboelectric aircraft that uses an electrically powered BLI (boundary layer ingesting) tail cone thruster mounted at the aft fuselage.