Engineering:Akaflieg Berlin B5
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Short description: German single-seat glider, 1937
| B5 | |
|---|---|
| |
| Role | Sailplane |
| National origin | Germany |
| Manufacturer | Akaflieg Berlin |
| First flight | 1937 |
| Number built | 1 |
The Akaflieg Berlin B5 was a glider built in Germany in the late 1930s. It featured a high-wing, cantilever sailplane configuration of all-wood construction, with cantilevered gull-wings, retractable landing-gear, all-moving-tail, dive air-brakes.[1]
Specifications (B5)
Data from ,[2] Flugzeug-Typenbuch. Handbuch der deutschen Luftfahrt- und Zubehör-Industrie 1944[3]
General characteristics
- Crew: 1
- Length: 6.15 m (20 ft 2 in)
- Wingspan: 15 m (49 ft 3 in)
- Height: 1.24 m (4 ft 1 in)
- Wing area: 11 m2 (120 sq ft)
- Length de-rigged: 7.28 m (24 ft)
- Width de-rigged (without tailplane): 1 m (3 ft 3 in)
- Width de-rigged (with tailplane): 2.5 m (8 ft 2 in)
- Height de-rigged: 1.24 m (4 ft 1 in)
- Aspect ratio: 20.45
- Airfoil: root Göttingen 549 ; mid span Göttingen 497 ; tip Göttingen 497
- Empty weight: 140 kg (309 lb)
- Gross weight: 225 kg (496 lb)
Performance
- Never exceed speed: 228 km/h (142 mph, 123 kn)
- Aerotow speed: 120 km/h (75 mph; 65 kn)
- g limits: +8 (ultimate)
- Maximum glide ratio: 30.5:1 at 76 km/h (47 mph; 41 kn)
- Rate of sink: 0.67 m/s (132 ft/min) at 64 km/h (40 mph; 35 kn)
- Wing loading: 20.45 kg/m2 (4.19 lb/sq ft)
References
- ↑ "Segelflugzeug B 5" (in German). Flugsport (16): 416–418.. August 1937.
- ↑ Wefeld, Hans Joachim (1995) (in German). 75 Jahre 10 NI AKAFLIEG BERLIN 1920 - 1995. Akademische Fliegergruppe Berlin e.V.. p. 48-49, 60-61.
- ↑ Schneider, Helmut (Dipl.Ing.) (1944) (in German). Flugzeug-Typenbuch. Handbuch der deutschen Luftfahrt- und Zubehör-Industrie 1944 (Facsimile reprint 1986 ed.). Leipzig: Herm. Beyer Verlag. p. 282. ISBN 381120484X.
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