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Dornier Libelle

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Dornier Libelle

Libelle
The Dornier Libelle in the Deutsches Museum München
Role flying-boat
Manufacturer Dornier
Designer Claudius Dornier
First flight 16 August 1921
Number built 2x Do A + 5x Libelle I + 3x Libelle II
Variants Dornier Spatz

The Dornier Libelle (en:"Dragonfly I"), also designated Do A, was a German open-cockpit, all-metal, parasol wing, monoplane flying-boat aircraft, with partly fabric covered wings. A landplane version, built without sponsons and fitted with a fixed tailwheel undercarriage was produced as the Dornier Spatz.[1]

Variants

DoA
Two prototypes of the Libelle[1]
Libelle I
The standard production model, 5 built fitted with Siemens-Halske Sh 4 engines and two built with 59.7 kW (80 hp) Siemens-Halske Sh 5 engines.[1]
Libelle II
The improved Libelle II was powered by Siemens-Halske Sh 5 or 75 kW (101 hp) Siemens-Halske Sh 11 engines. Other engines fitted to Libelle II aircraft include the Bristol Lucifer and the ADC Cirrus. Three built.[1]

Specifications (Libelle I)

Data from [1]

General characteristics
  • Crew: 1
  • Capacity: 2 passengers
  • Length: 7.18 m (23 ft 7 in)
  • Wingspan: 8.5 m (27 ft 11 in)
  • Height: 2.27 m (7 ft 5 in)
  • Wing area: 14 m2 (150 sq ft)
  • Empty weight: 420 kg (926 lb)
  • Gross weight: 640 kg (1,411 lb)
  • Fuel capacity: fuel 42 kg (93 lb)fuel + oil 10 kg (22 lb)
  • Powerplant: 1 × Siemens-Halske Sh 4 5-cyl. air-cooled radial piston engine, 45 kW (60 hp)

Performance

  • Maximum speed: 120 km/h (75 mph; 65 kn)
  • Cruising speed: 100 km/h (62 mph; 54 kn)
  • Range: 300 km (186 mi; 162 nmi)
  • Service ceiling: 1,600 m (5,249 ft)

References

External links

  • Dornier “Libelle" at http://www.jadu.de/luftfahrt
  • "Libelle" at www.histaviation.com
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