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]

B5
Role	Sailplane Type of aircraft
National origin	Germany
Manufacturer	Akaflieg Berlin
First flight	1937
Number built	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)

See also

• List of gliders

References

Wikimedia Commons has media related to Akaflieg Berlin B5.

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