A rotorless 3-place airplane configuration of the NASA/DARPA Rotor Systems Research Aircraft (RSRA) project, redesignated S-72X.  It is intended to serve as an emergency configuration required for operation if the rotor is severed by the Emergency Escape System.  In addition to the turbofan propulors, the main transmission and conventional 5-blade tail rotor are powered by General Electric T58-GE-5 / T58-GE-10 engines.

Overview

Data on design, manufacture and status

Design authority: Sikorsky Aircraft Corp.

Primary manufacturer: Sikorsky Aircraft Corp.

Parent type: Sikorsky S-72 RSRA

Aircraft status: No longer flying

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Compound type: Lift and Thrust

Lift configuration: Other

Dedicated control device: Tail rotor

Dedicated propulsion devices: 2

Crew required: 2-3

Crew seating: Side-by-side

Landing gear: Wheels (some retractable)

Overall Dimensions

Data on aircraft size

Overall Height: 4.72 m (15.5 ft)

Overall Length: 19.41 m (63.7 ft)

Overall Width: 13.72 m (45.0 ft)

Engine Details

Aircraft powerplant (lift and/or propulsion)

Total number of engines: 2

Engine designation: GE TF34-GE-400A turbine

Engine manufacturer: GE Aviation

Weights and Performance

Data on aircraft weight and flight characteristics

Max Gross Weight (ground): 12927 kg (28500 lb)

Max Endurance: 0.5 hrs (0.5 hrs)

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