Military Wiki
Role Fighter
Manufacturer Daimler
Designer Karl Schopper
First flight 1918
Number built 6

The Daimler D.I (also known by the company designation L6) was a German fighter aircraft of World War I. It was a conventional biplane design with a very small interplane gap - the top wing nearly touched the top of the fuselage. Power was provided by a Daimler D.III engine.

Design and development

The L6 prototype competed in the second Idflieg competition for a new fighter design in 1918. The competition was held at Adlershof from 22 May through 21 June. This resulted in an order for 20 aircraft being placed.[1]


Production was mounted in 1918. Six examples were built by the time of the Armistice, at which time production was abandoned.[2]

Specifications (D.I)

Data from The Complete Book of Fighters [1]

General characteristics

  • Crew: One
  • Length: 7.30 m (23 ft 11⅜ in)
  • Wingspan: 9.90 m (32 ft 5¾ in)
  • Height: 2.76 m (9 ft 0⅔ in)
  • Wing area: 22.6 m² (243 ft²)
  • Empty weight: 750 kg (1,653 lb)
  • Loaded weight: 925 kg (2,039 lb)
  • Powerplant: 1 × Daimler D.IIIb V-8 liquid cooled piston engine, 138 kW (185 hp)


  • Maximum speed: 183 km/h (99 knots, 114 mph)
  • Service ceiling: m (ft)
  • Wing loading: kg/m² (lb/ft²)
  • Power/mass: W/kg (hp/lb)
  • Endurance: 2 hours
  • Climb to 6,000 m (19,700 ft): 30 minutes



  1. 1.0 1.1 Green and Swanborough 1994, p.145.
  2. Gray and Thetford 1962, p.315.
  • Gray, Peter; Thetford, Owen (1962). German Aircraft of the First World War. London: Putnam. 
  • Green, W; Swanborough, G (1994). The Complete Book of Fighters. New York: Smithmark. ISBN 0-8317-3939-8. 
  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. pp. 297. 

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