Samiksha Jaiswal (Editor)

SZD 13 Wampir

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Top speed
  
210 km/h

Length
  
3.64 m

Wingspan
  
15 m

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

Contents

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 ft2)
  • Aspect ratio: 14.1
  • Wing profile: NACA laminar flow

    • Performance

  • Maximum speed: 210 km/h (130 mph)
  • Stall speed: 57

    • stall speed mph=35 km/h ( mph)

  • Maximum glide ratio: 29.4 @ 75.5 km/h (46.9 mph/40.8 kts)
  • Rate of sink: 0.64 m/s (126 ft/min)

    • References

    SZD-13 Wampir Wikipedia
    (Text) CC BY-SA