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De Havilland DH.71 Tiger Moth

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Title: De Havilland DH.71 Tiger Moth  
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Subject: De Havilland Gipsy, ADC Cirrus, Stag Lane Aerodrome, Racing aircraft, De Havilland Dormouse
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De Havilland DH.71 Tiger Moth

DH.71 Tiger Moth
The first prototype D.H.71 Tiger Moth G-EBQU
Role high-speed research and racing monoplane
National origin United Kingdom
Manufacturer De Havilland Aircraft Company
First flight 24 June 1927
Introduction 1927
Retired 1930
Number built 2

The de Havilland DH.71 Tiger Moth was a British single-seat monoplane, designed to research high-speed flight and test replacement engines for the Cirrus engine, only two were built.[1]

Design and development

The design was a low-wing monoplane based on the earlier Moth biplanes with a stressed plywood covering and the cockpit designed around its test pilot, Hubert Broad, to make it as streamlined as possible: this resulted in the fuselage sides being sloped outwards to accommodate his shoulders.[1] The Tiger Moth had a fixed conventional landing gear with a tail skid.[1] The first aircraft built (registration G-EBQU) first flew from Stag Lane Aerodrome on 24 June 1927 and was fitted with a 85 hp (63 kW) ADC Cirrus II engine to check its handling characteristics. This was then replaced with Major Halford's prototype engine, by then named the Gipsy.[1] The second example, G-EBRV, was fitted with a Cirrus engine and first flew on 28 July 1927.[1]

Operational history

Both aircraft were entered for the 1927 King's Cup Race to be held at Hucknall on 30 July, 'QU was withdrawn but Broad flew 'RV in the race but retired following handling problems.[1]

In August 1927, Broad flew G-EBQU on a 62-mile (100 km) closed-circuit record for Class III Light Aircraft of 186.47 mph (300.09 km/h).[1] Five days later he flew to 19,191 ft (5,849 m) without oxygen in an attempt to break the altitude record for its category. For these record attempts the aircraft was fitted with a new set of mainplanes with a reduced span of 19 ft (6 m).[1]

The first aircraft G-EBQU was exported to Australia in 1930 and registered VH-UNH, on 17 September 1930 it crashed when the engine cut out while practising for an air race, killing pilot David Smith.[1] The second airframe was for a time displayed outside de Havilland's Hatfield factory, eventually being destroyed there in a Luftwaffe air raid on 3 October 1940.[1]

Specifications (G-EBRV)

Data from [1]de Havilland aircraft since 1909

General characteristics
  • Crew: 1
  • Length: 18 ft 7 in (5.66 m)
  • Wingspan: 22 ft 6 in (6.86 m)
  • Height: 7 ft 0 in (2.13 m)
  • Wing area: 76.5 sq ft (7.11 m2)
  • Empty weight: 618 lb (280 kg)
  • Gross weight: 905 lb (411 kg)
  • Powerplant: 1 × ADC Cirrus II inline piston, 85 hp (63 kW)
  • Propellers: 2-bladed


  • Maximum speed: 166 mph (267 km/h; 144 kn)

See also

Related lists


  1. ^ a b c d e f g h i j k Jackson 1987, pp. 278–281

External links

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