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The PWS-4 was a Polish sports aircraft developed in 1928 by PWS (Podlaska Wytwórnia Samolotów - Podlasie Aircraft Factory) which remained a prototype.

Made by Podlaska Wytwórnia Samolotów.

Height Main
1.8 m
Stall Speed Main
60.0
Jet Or Prop
prop
Range Main
400.0
Loaded Weight Main
350.0
Type Of Prop
2
Max Speed Main
140.0
Loading Main
38
Cruise Speed Main
123.0
Ceiling Main
1350 m
Number Built
1
Crew
1
Span Main
7.6 m
Area Main
11 m²
Plane Or Copter?
plane
Engine(prop)
Salmson AD.9 air-cooled 9-cylinder radial
Manufacturer
Podlaska Wytwórnia Samolotów
Status
prototype
Useful Load Main
112.0
First Flight
September 1928
Climb Rate Main
1.4 m-s
Number Of Props
1
Length Main
5.57 m
Area Alt
ft²
Empty Weight Main
238.0
Category
PWS aircraft
Polish sport aircraft 1920-1929

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