Intial company prototype for the HRP-1 Type series. It was also designated PV-3 by the company.

 

An excellent description of the design and development of the aircraft can be found on the Smithsonian National Air and Space Museum web site,

 

"P-V Engineering Forum XHRP-X (PV-3)", R. D. Connor, Smithsonian National Air and Space Museum web page, Last accessed 04 November 2018

Overview

Data on design, manufacture and status

Latest or last design authority: Piasecki Helicopter Corporation
Originally designed by P-V Engineering Forum

Primary manufacturer: P-V Engineering Forum

Parent type: Piasecki PV-3/HRP-1

Aircraft status: No longer flying

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift configuration: Tandem (Fore/aft) (x2)

Crew required: 2

Crew seating: Other

Landing gear: Wheels (non-retractable)

Overall Dimensions

Data on aircraft size

Overall Height: 4.15 m (13.6 ft)

Overall Length: 25.70 m (84.3 ft)

Overall Width: 12.50 m (41.0 ft)

Engine Details

Aircraft powerplant (lift and/or propulsion)

Total number of engines: 1

Weights and Performance

Data on aircraft weight and flight characteristics

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