page_title: Hannover H 1 Vampyr
section_title: Specifications (1921 version)
hierarchical_section_title: Hannover H 1 Vampyr / Specifications (1921 version)
caption_attribution_description: English: 3-view of the Akaflieg Hannover Vampyr (1921)
context_page_description: The Hannover H.1 Vampyr was a German glider designed by Georg Madelung for the 1921 Rhön gliding competition held at the Wasserkuppe, from 8 August to 25 August 1921. The Vampyr was probably the first heavier than air aircraft to use stressed skin, it has been claimed as the precursor for all modern sailplanes.
context_section_description: Data from Sailplanes 1920-1945; Performance, Deutsches Museum
  General characteristics
  Crew: One
  Length: 12.60 m (41 ft 4 in)
  Wingspan: 5.54 m (18 ft 2 in)
  Wing area: 16.0 m² (172 sq ft)
  Aspect ratio: 9.95
  Airfoil: Göttingen 441 (Gŏttingen 482)
  Empty weight: 120 kg (265 lb)
  Gross weight: 210 kg (463 lb)
  Performance
  Rate of sink: 0.75 m/s (148 ft/min) approximately
  Lift-to-drag: best about 16
  Wing loading: 12 kg/m² (2.5 lb/sq ft)
caption: The 1921 version
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