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