Wallis WA-120

WA-120
Role	Single-seat autogyro
National origin	United Kingdom
Manufacturer	Wallis Autogyros Limited
Designer	Ken Wallis
First flight	13 June 1971
Number built	1

Last updated February 15, 2025

The Wallis WA-120 is an experimental British autogyro developed by Ken Wallis.

Design and development

Following on from his family of single-seat autogyros former Royal Air Force aviator Wing Commander Ken Wallis developed a high-performance long-range variant with an enclosed cockpit. The WA-120, registered G-AYVO, was first flown on 13 June 1971.^[1] The autogyro is powered by a 130 hp (97 kW) Rolls-Royce Continental O-240-A piston engine driving a four-bladed pusher propeller.^[1]

Specification

Data from^[1]British Civil Aircraft since 1919 – Volume 3

General characteristics

Crew: 1
Length: 12 ft 0 in (3.66 m)
Empty weight: 460 lb (209 kg)
Gross weight: 750 lb (340 kg)
Powerplant: 1 × Rolls-Royce Continental O-240-A , 130 hp (97 kW)
Main rotor diameter: 20 ft 4 in (6.20 m)

Performance

Cruise speed: 103 mph (165 km/h, 90 kn)
Range: 360 mi (579 km, 310 nmi)

References

Notes

1 2 3 Jackson 1974, p. 330

Bibliography

Jackson, A.J. (1974). British Civil Aircraft since 1919 - Volume 3. Putnam & Company Ltd. ISBN 0-370-10014-X.

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[jackson-1] 1 2 3 Jackson 1974, p. 330

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