RWD-8 Aircraft. Photo source: “Opisu Płatowca RWD-8” (Airframe description of RWD-8) dated 28 November 1928. Szomański and Tonkialaque decals visible on the prop. Propeller description stays brief in Chapter I “Specification”: Wooden propeller W.Szomański D=1934 S=146-139 Page 26 brings 6-steps instruction of propeller de-attachement.