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: P-V Engineering Forum PV-3/HRP-1

Aircraft status: No longer flying

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift devices: 2 in Tandem (Fore/aft) configuration

Crew required: 2 in Other arrangement

Landing gear: Wheels (non-retractable)

Key Characteristics

Data on key physical features

Aircraft Details

Data on aircraft configuration, weights, flight performance and equipment

Related VFS Resources

Resources related to the PV-3/XHRP-X Dogship, provided by the Vertical Flight Society.
Forum Proceedings
 
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Related Public Resources

Resources related to the PV-3/XHRP-X Dogship, provided by public sources across the internet.

Images