page_title: Schempp-Hirth Discus
section_title: Specifications (Discus b)
hierarchical_section_title: Schempp-Hirth Discus / Specifications (Discus b)
caption_attribution_description: English: Cockpit of a Discus CS
context_page_description: The Schempp-Hirth Discus is a Standard Class glider designed by Schempp-Hirth. It was produced in Germany between 1984 and 1995 but has continued in production in the Czech Republic. It replaced the Standard Cirrus. It was designed by Klaus Holighaus.
context_section_description: Data from Jane's All the World's Aircraft 1988-89
  General characteristics
  Crew: 1
  Length: 6.68 m (21 ft 11 in) 
  Discus a: 6.35 m (20.8 ft)
  Wingspan: 15 m (49 ft 3 in) 
  Discus K: 13.7 m (45 ft)
  Height: 1.27 m (4 ft 2 in)
  Wing area: 10.58 m² (113.9 sq ft)
  Aspect ratio: 21.3
  Empty weight: 233 kg (514 lb) 
  Discus a: 228 kg (503 lb)
  Max takeoff weight: 525 kg (1,157 lb)
  Water ballast: 180 L (48 US gal; 40 imp gal)
  Performance
  Stall speed: 66 km/h (41 mph, 36 kn)
  Never exceed speed: 250 km/h (160 mph, 130 kn) in smooth air
  200 km/h (110 kn; 120 mph) in rough air
  180 km/h (97 kn; 110 mph) on aero-tow
  150 km/h (81 kn; 93 mph) on winch launch
  Discus K: 270 km/h (150 kn; 170 mph)
  g limits: +5.3 - 2.65
  Discus K:+7 -5
  Maximum glide ratio: 45:1 at 100 km/h (54 kn; 62 mph)
  Discus K: 38
  Rate of sink: 0.59 m/s (116 ft/min) at 78 km/h (42 kn; 48 mph)
  Discus K: <0.7 m/s (140 ft/min)
  Wing loading: 49.62 kg/m² (10.16 lb/sq ft)
caption: Instrument panel in a Discus CS.
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