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The SZD-20x Wampir II (Szybowcowy Zakład Doświadczalny - Glider Experimental Works) was a single-seat tail-less research glider designed and built in Poland from 1959.

The SZD-20X Wampir II (vampire II) was designed to compare a flying wing designed to Standard class rules with a more conventional standard class glider. Main designer was Jan Dyrek.1

Made by PZL.

Empty Weight Lb
386
Stall Speed Mph
36
Span Ft
49
First Flight
9
Aspect Ratio
15
Wing Profile
NACA 23112
Glide Ratio
24
Span In
2
Wing Area Sqm
15
Gross Weight Lb
551
Sink Rate Ms
1
Number Built
1
Crew
1
Empty Weight Kg
175
Gross Weight Kg
250
Min Sink Speed Mph
44
Height In
6
Stall Speed Kts
31
Manufacturer
PZL
Max Speed Kts
108
Max Speed Mph
124
Max Speed Kmh
200
Height Ft
5
Origin
Poland
Min Sink Speed Kts
38
National Origin
Poland
Wing Area Sqft
162
Met Or Eng
met
Min Sink Speed Km/h
70
Span M
15
Length Ft
9
Height M
2
Similar Aircraft
* Horten H.IV*SZD-6X Nietoperz
Stall Speed Kmh
58
Length In
9
Length M
3
Category
Polish experimental aircraft 1950-1959
Polish sailplanes 1950-1959
SZD aircraft
Tailless aircraft

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