1922 CZL, Ansaldo A1 Balilla

Producer (type)CWL Centralne Warsztaty Lotnicze, Poland
Propeller No.2052
Production Date1922
EngineSPA 6, 200 HP
Country of OriginPoland
Used onAnsaldo A1 Balilla

About the propeller. The propeller was produced by Warsaw factory located on Pola Mokotowskie CZL. Preserved in very good shape: the propeller number and the engine type also  a pitch and diameter markings are clearly pressed on the hub. Also manufacturer’s decals – both CZL marks  are well preserved. The manufacturing date of the prop is missing as it was not a part of the CZL markings, just estimated for the period of 1921-1924. In 1970s purchased by aviator and propeller enthusiast Andrzej Perzyna. Now a part of private collection (2018).

Construction. The propeller lamination consists of 7 plies (20.5 mm thick each) of ash wood. No sheathing fitted, covered by colorless coating.

Aircraft and Engine. The propeller was produced for one of Polish built Ansaldo A-1 Balilla powered by 220 HP inline, 6 cylinder, SPA (Società Piemontese Automobili) Italian engine. Engine’s CC: 14,6 liter, weight ca 240 kg, compression ratio: 5,2.


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