Pure helicopter configuration of the Rotor System Research Aircraft project; a 3-place helicopter.  In addition to the turbofan propulors, the main transmission and tail rotor are powered by General Electric T58-GE-5 / T58-GE-10 engines.  The equipped main rotor is that of the S-61 (H-3) while a conventional 5-blade tail rotor is used.

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

Lift configuration: Single main rotor

Dedicated control device: Tail rotor

Crew required: 2

Crew seating: Tandem

Landing gear: Wheels (some retractable)

Overall Dimensions

Data on aircraft size

Overall Height: 4.72 m (15.5 ft)

Overall Length: 23.14 m (75.9 ft)

Overall Width: 18.90 m (62.0 ft)

Engine Details

Aircraft powerplant (lift and/or propulsion)

Total number of engines: 2

Engine designation: GE T58-GE-5 turbine

Engine manufacturer: General Electric Company

Max continuous power: 933 kW (1250 hp)

Take-off / rated power: 1119 kW (1500 hp)

Intermediate power: 1044 kW (1400 hp)

Weights and Performance

Data on aircraft weight and flight characteristics

Max Gross Weight (ground): 9197 kg (20276 lb)

Max Endurance: 0.5 hrs (0.5 hrs)

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