This is the original aircraft in a 3 main blade configuration. Also known by the company designation CL-595.

The aircraft was designed for a very low drag configuration. Apart from the retractable skids, the aircraft had flush rivetted skins and the rotor shaft was tilted 6 deg fwd to keep the fuselage at a low angle of incidence in high speed forward flight.

Overview

Data on design, manufacture and status

Design authority: Lockheed-California Company

Primary manufacturer: Lockheed-California Company

Parent type: Lockheed XH-51

Aircraft status: No longer flying

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift devices: 1 Single main rotor

Dedicated control device: 1 Tail rotor

Crew required: 1 in Side-by-side arrangement

Landing gear: Skids (retractable)

Key Characteristics

Data on key physical features

Aircraft Details

Data on aircraft configuration, weights, flight performance and equipment

References

References and sources used

Lockheed
Michael J. Hirschberg
The American Helicopter | An Overview of Helicopter Developments in America 1908-1999, July 2000 (page 69)
Book
Good high level summary of pre-2000 Lockheed VTOL aircraft development

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Related Public Resources

Resources related to the XH-51A (3 blade configuration) , provided by public sources across the internet.

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