The construction of this aircraft was underway when Platt-LePlage were awarded a contract by the U.S. Army awarded, in July 1940, to complete the development. 

 

The aircraft suffered from handling difficulties with poor lateral control and a potential control reversal in turns.

 

Source: “Dr. W. Laurence LePage, From XR-1 to Tilt-Rotor”, Jay Brian Hendrickson, Paper presented at the American Helicopter Society 61st Annual Forum, Grapevine, TX, June 1-3, 2005

Overview

Data on design, manufacture and status

Design authority: Platt-LePage Aircraft Company

Primary manufacturer: Platt-LePage Aircraft Company

Parent type: Platt-LePage XR-1

Aircraft status: No longer flying

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift configuration: Tandem (Lateral) (x2)

Crew required: 1

Crew seating: Tandem

Landing gear: Wheels (non-retractable)

Overall Dimensions

Data on aircraft size

Engine Details

Aircraft powerplant (lift and/or propulsion)

Total number of engines: 1

Engine designation: P&W R-985-23 reciprocating

Engine manufacturer: Pratt & Whitney

Take-off / rated power: 328 kW (440 hp)

Weights and Performance

Data on aircraft weight and flight characteristics

Max Gross Weight (ground): 2146 kg (4730 lb)

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