Doman LZ-5 (YH-31) Sky Taxi

2 were purchased (known by the designation YH-31) for U.S. Army evaluation and test. A third ship was subsequently built in Canada.  Resembling the LZ-4, the helicopter was equipped with an 8-cylinder supercharged engine.

The aircraft was capable of talking 6 passengers or 4 litters.

Attribution

Overview

Data on design, manufacture and status

Design authority: Doman Helicopters Inc.

Primary manufacturer: Doman Helicopters Inc.

Parent type: No type defined

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: 2 in Side-by-side arrangement

Landing gear: Wheels (non-retractable)

Key Characteristics

Data on key physical features

Aircraft Details

Data on aircraft configuration, weights, flight performance and equipment

References

References and sources used

Helicopters & Autogyros of the World
Paul Lambermont, Anthony Pirie
Cassell & Company Ltd., 1959 (page 264)
Book

Helicopters From "A to Z" | Part II
Ralph P. Alex
AHS Newsletter - November, 1961, November 1961 (page 6)
Periodical

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