Horten H.XIII

The Horten H.XIII was an experimental flying wing aircraft designed by the Horten brothers during World War II.

H.XIII
Role High performance sailplane
National origin Germany
Manufacturer Horten
Designer Walter and Reimar Horten
First flight 27 November 1944
Number built 1

Design

The H.XIIIa was an unpowered glider with wings swept backwards at 60°. It was intended as a technology demonstrator for a supersonic fighter jet capable of traveling beyond Mach 1 (H.XIIIb).

Specifications (H.XIIIa)

Data from Nurflügel[1]

General characteristics

  • Crew: 1
  • Length: 10 m (32 ft 10 in) nose to wing-tips
  • Wingspan: 12 m (39 ft 4 in)
  • Wing area: 36 m2 (390 sq ft)
  • Aspect ratio: 4.0
  • Empty weight: 250 kg (551 lb)
  • Max takeoff weight: 330 kg (728 lb)

Performance

  • Stall speed: 44 km/h (27 mph, 24 kn)
  • Never exceed speed: 180 km/h (110 mph, 97 kn)
  • Take-off speed: 44 km/h (27 mph; 24 kn)
  • Landing speed: 44 km/h (27 mph; 24 kn)
  • Maximum glide ratio: 16:1 at 80 km/h (50 mph; 43 kn) and 9.2 kg/m2 (1.9 lb/sq ft)
  • Rate of sink: 1.1 m/s (220 ft/min) at 60 km/h (37 mph; 32 kn)
  • Wing loading: 9.2 kg/m2 (1.9 lb/sq ft)

References
  1. Horten, Reimar; Peter F. Selinger (1985). Nurflügel (in German) (1st ed.). Graz: H. Wieshaupt Verlag. pp. 158–162. ISBN 978-3-900310-09-7.

Further reading
  • Rose, Bill (2010). Flying wings and tailless aircraft. Hinckley: Midland. pp. 50–51. ISBN 978-1-85780-320-4.
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