The de Havilland T.K.4 was a 1930s

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single-seat racing monoplane designed and built by students of the de Havilland Technical School.

Design and development

The T.K.4 was built by students at

Stag Lane Aerodrome Stag Lane Aerodrome was a private aerodrome between 1915 and 1933 in Edgware, north London, UK. History The land for an aerodrome was purchased by the London & Provincial Aviation Company (Warren and Smiles - Michael Geoffrey Smiles of Bonning ...

in 1937 with the aim of building the smallest possible aircraft around the 140 hp (104 kW) de Havilland Gipsy Major II.Jackson 1974, page 323 It was a low-wing monoplane with a conventional retractable tailwheel landing gear and had a De Havilland PD30 variable-pitch propeller and was fitted with slots and flaps. The only T.K.4, registered G-AETK, was first flown on 30 July 1937. It was 9th in the 1937

King's Cup air race The King's Cup air race Air racing is a type of motorsport that involves airplanes or other types of aircraft that compete over a fixed course, with the winner either returning the shortest time, the one to complete it with the most points, ...

at a speed of 230.5 mph.Lewis 1972, p.191. The aircraft crashed on 1 October 1937 killing the pilot R.J. Waight while he was attempting a 100 km class record.

Specifications

Notes

References

* * {{de Havilland aircraft 1930s British sport aircraft T.K.4 Racing aircraft Low-wing aircraft Single-engined tractor aircraft Aircraft first flown in 1937