WSK, LWD Zuraw, M11FR engine


Producer (type):
Propeller No.: ???
Production Date: 1951
Pitch: ???
Diameter: 2400 mm measured
Engine: M-11-FR
Country of Origin: Poland
Used on: LWD Zuraw,

About the propeller. The propeller was produced by Wytwórnia Sprzętu Komunikacyjnego (most likely still in Łódź, with the new brand name WSK). Propeller is installed on LWD Żuraw plane, MLP Cracow. Renovation works accomplished by Nowak Serwice, October 2017. On Exhibition of MLP Cracow (2021).

Construction. The propeller lamination consists of  ash plies. Diameter of propeller is 240. The propeller has sheathing on leading edge. The surface of propeller is covered with fabric and painted in olive drab. The WSK logo is painted on each blade.

Aircraft and Engine. The propeller was intended for Soviet five-cylinder 160 hp (140 hp max continuous thrust)  M-11FR, an ultimate M-11 engine version designed in 1946. The engine having 8,6 L capacity was rated at 160 hp at 1900 rpm. This engine was powering numerous aircraft used and built in Poland.


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