SZD-13 Wampir

The SZD-13 Wampir (Szybowcowy Zakład Doświadczalny - Glider Experimental Works) was a single-seat tail-less glider designed and built in Poland from 1955.

SZD-13 Wampir
Role Glider aircraft
National origin Poland
Manufacturer SZD
Designer Irena Kaniewska
First flight not flown
Number built 1
Developed from SZD-6X Nietoperz

Development

The SZD-13 Wampir was a development of the SZD-6X Nietoperz, using a NACA laminar flow aerofoil. Main designer was Irena Kaniewska. Wind tunnel tests on the prototype were not encouraging, so it was not flown, in favor of the more advanced SZD-20 Wampir II.

Specifications and predicted performance (SZD-13 Wampir)

Data from http://www.piotrp.de/SZYBOWCE/pszd13.htm

General characteristics

  • Crew: 1
  • Length: 3.64 m (11 ft 11 in)
  • Wingspan: 15 m (49 ft 3 in)
  • Wing area: 16 m2 (172 sq ft)
  • Aspect ratio: 14.1
  • Airfoil: NACA laminar flow

Performance

  • Maximum speed: 210 km/h (130 mph, 113 kn)
  • Stall speed: 57 km/h (35 mph, 31 kn)
  • Maximum glide ratio: 29.4 at 75.5 km/h (46.9 mph/40.8 kts)
  • Rate of sink: 0.64 m/s (126 ft/min) at 63.5 km/h (39.5 mph/34.3 kts)

See also

Aircraft of comparable role, configuration, and era

References
    • Taylor, J. H. (ed) (1989) Jane's Encyclopedia of Aviation. Studio Editions: London. p. 29
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