Producer (type) | CWL Centralne Warsztaty Lotnicze, Poland |
Propeller No. | 2052 |
Production Date | 1922 |
Pitch | 216-225 |
Diameter | 250 |
Engine | SPA 6, 200 HP |
Country of Origin | Poland |
Used on | Ansaldo 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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