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 devices: 1 Single main rotor
Dedicated control device: 1 Tail rotor
Crew required: 1 in Side-by-side arrangement
Landing gear: Wheels (non-retractable)