This aircraft apparently had 2 or more control rotors but it is not clear how they were configured and what their exact purpose was. The original configuration also included secondary rotors to cool the engine but these were deemed ineffective.

 

de Bothezat's patent for the machine is US Patent 1,573,228.

Overview

Data on design, manufacture and status

Design authority: George de Bothezat

Primary manufacturer: George de Bothezat

Parent type: No type defined

Aircraft status: No longer flying

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift configuration: Multi-rotor (x4)

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

Engine designation: Bentley BR2 reciprocating

Engine manufacturer: Bentley and Bentley

Take-off / rated power: 164 kW (220 hp)

Weights and Performance

Data on aircraft weight and flight characteristics

Max Gross Weight (ground): 1678 kg (3700 lb)

Related VFS Resources

Resources related to the 1922 Helicopter, provided by the Vertical Flight Society.
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Related Public Resources

Resources related to the 1922 Helicopter, provided by public sources across the internet.

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