Engineering:Akaflieg Berlin B8

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Short description: German single-seat glider, 1939
Akaflieg Berlin B8V2 Johannisthal.jpg
B8 V2
Role Sailplane
National origin Germany
Manufacturer Akaflieg Berlin
First flight 1939
Number built 2

The Akaflieg Berlin B8 was a German sailplane built in the late 1930s for the 1939 Olympic games glider competition in Rome. It was a high-wing sailplane with a cantilever shoulder-wing, dive air-brakes and all wood construction.[1][2]

Specifications (variant specified)

Data from ,[3] Flugzeug-Typenbuch. Handbuch der deutschen Luftfahrt- und Zubehör-Industrie 1944[1]

General characteristics

  • Crew: 1
  • Length: 7.1 m (23 ft 4 in)
  • Wingspan: 15 m (49 ft 3 in)
  • Height: 1.5 m (4 ft 11 in)
  • Wing area: 15.6 m2 (168 sq ft)
  • Length de-rigged: 7.1 m (23 ft)
  • Width de-rigged (without tailplane): 0.65 m (2 ft 2 in)
  • Width de-rigged (with tailplane): 3 m (10 ft)
  • Height de-rigged: 1.5 m (4 ft 11 in)
  • Aspect ratio: 14.41
  • Airfoil: root:Göttingen 549; mid-span: Göttingen 535; tip: Göttingen 535; tail unit: NACA 0012
  • Empty weight: 165 kg (364 lb)
  • Gross weight: 260 kg (573 lb)

Performance

  • Maximum glide ratio: 23:1 at 68 km/h (42 mph; 37 kn)
  • Rate of sink: 0.7 m/s (140 ft/min) at 56 km/h (35 mph; 30 kn)
  • Wing loading: 16.65 kg/m2 (3.41 lb/sq ft)

References

  1. 1.0 1.1 Schneider, Helmut (1944) (in German). Flugzeug-Typenbuch. Handbuch der Deutschen Luftfahrt- und Zubehör-Industrie. 5. neubearbeitete und erweiterte Auflage. Leipzig: Herm. Beyer Verlag. p. 284. 
  2. Wefeld, Hans Joachim (1995) (in German). 75 Jahre 10 NI AKAFLIEG BERLIN 1920 - 1995. Akademische Fliegergruppe Berlin e.V.. pp. 52, 64–65. 
  3. Schneider, Helmut (1941) (in German). Flugzeug-Typenbuch. Handbuch der Deutschen Luftfahrt- und Zubehör-Industrie. 5. neubearbeitete und erweiterte Auflage. Leipzig: Herm. Beyer Verlag. p. 170.