2 place helicopter developed from a Sikorsky R-6.
Referred to as the Sikorsky LZ-1 in some documents. Doman rotor (see "American Helicopter Development" from FLIGHT, February 5th 1948 for a description of the rotor) installed onto a Sikorsky R-6A fuselage. First flight 1947.
An example on display at the New England Air Museum at Windsor Locks, CT.
VTOL type: Helicopter
Lift configuration: Single main rotor
Dedicated control device: Tail rotor
Crew required: 1
Crew seating: Side-by-side
Landing gear: Wheels (non-retractable)
Overall Width: 12.19 m (40.0 ft)
Max Gross Weight (ground): 1361 kg (3000 lb)
Max Range: 644 km (348 nm)