The Herrick Convertaplane had an upper wing that could be allowed to rotate in forward flight.

There is some confusion regarding the name of the aircraft (some sources mention 'Vertaplane'). For an excellent explanation of the background to the name see,

Source: “A Critical Re-Examination of the Franklin Institute Rotating Wing Aircraft Meeting of October 28 – 29, 1938: Facts and Myths Surrounding the Foundations of Autogiro/Convertiplane/Helicopter Development in America and Europe”, Dr. Bruce H. Charnov, Paper presented at the American Helicopter Society 62nd Annual Forum, Phoenix, AZ, May 9 – 11, 2006

Overview

Data on design, manufacture and status

Design authority: Herrick

Primary manufacturer: Herrick

Parent type: No type defined

Aircraft status: No longer flying

Configuration

Primary flight and mechanical characteristics

VTOL type: Convertiplane

Compound type: Lift

Lift configuration: Other

Dedicated control device: Other

Dedicated propulsion devices: 1

Crew required: 1

Crew seating: Single seater

Landing gear: Wheels (non-retractable)

Overall Dimensions

Data on aircraft size

Engine Details

Aircraft powerplant (lift and/or propulsion)

Total number of engines: 1

Weights and Performance

Data on aircraft weight and flight characteristics

Related VFS Resources

Resources related to the HV-2A Convertaplane, provided by the Vertical Flight Society.
Forum Proceedings
 
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Related Public Resources

Resources related to the HV-2A Convertaplane, provided by public sources across the internet.

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