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De Havilland
DH71 Tiger Moth

A diminutive racing monoplane that was also used for engine development.
De Havilland DH71 Tiger Moth unregistered ground De Havilland DH71 Tiger Moth G-EBQU showing its extremely clean lines.
 
The DH71 was a small, clean low-wing, single-seat monoplane, intended for racing and for engine development allied to the Cirrus Moth range.
 
Produced as a private venture, its slender fuselage was tailored around accommodating its rather slim test pilot, Hubert Broad.
 
Two aircraft were built, the first (G-EBQU) was powered initially by an ADC Cirrus II engine but this was later replaced by an experimental 130 hp Gipsy engine.  The second aircraft (G-EBRV) was powered by the 85 hp ADC Cirrus II.
 
The first aircraft (G-EBQU) made its debut flight at Stag Lane on 24th June 1927, followed 4 days later by the second aircraft (G-EBRV) on 28th July 1927.
 
Both aircraft received their Certificates of Airworthiness in July 1927.
 
De Havilland DH71 Tiger Moth ground running De Havilland DH71 Tiger Moth ground running prior to the 1927 King's Cup Air Race.
 
The appearance of the DH71 caused something of a sensation as it was probably the first British civil aircraft to be designed specifically for air racing.
 
Both aircraft were entered into the 1927 Kings Cup at Hucknall on 30th July although G-EBQU was subsequently withdrawn.  Meanwhile Broad flew G-EBRV in the race before it too had to be withdrawn due to handling problems.
 
Broad subsequently set a closed-circuit speed record of 186.4 mph in G-EBQU on 24th August 1927, followed by an altitude record for its class of 19,191 ft just 5 days later. Most startling about the achievement was that Broad had set the record without oxygen, something considered to be 'very brave but also very foolish'.
 
 
De Havilland DH71 Tiger Moth landing De Havilland DH71 Tiger Moth approaching to land.
 
G-EBRV flew in the 1927 King’s Cup Air Race although it retired early - Penrose reports in British Aviation: The Adventuring Years that ‘it achieved a speed of 162 mph on the first 26 mile lap, beating its handicap speed by nearly 48 mph’.
 
G-EBQU was privately sold to Australia in 1930 and re-registered as VH-UNH.  Sadly, it was destroyed in an fatal accident on 17th September 1930 when the engine failed whilst practicing for an Air Race.
 
The second aircraft (G-EBRV) was retained and preserved by the manufacturers outside their Hatfield Headquarters but it was ultimately destroyed by enemy bombing on 3rd October 1940.

Specification

Powerplant 130 hp DH Gipsy Experimental or 85hp ADC Cirrus II 
Span 22 ft 6 in
Maximum Weight 905 lb
Capacity  Single pilot only 
Maximum Speed 166 mph (193 mph when modified for speed record)

Numbers Built

Number built                       Two only: G-EBQU and G-EBRV                                                             

Survivors

None