3-Blatt CFK-Luftschraube 53x3 Graupner 2966.53.30 Series of right-hand rotation propellers (visible woven CFRP surface laminate), which are hand-moulded using carbon rovings and cloth, and supplied already dynamically balanced. The blade form has been refined to the optimum design over many years of experimentation, producing a propeller which offers a no-compromise combination of maximum efficiency and pleasantly low noise at the recommended engine speed. Althoughthe propeller blades are hollow they are torsionally rigid and offer exceptional strength at high rotational speeds. Diameter / Pitch 53/30cm 21/12 Zoll. Hub bore Ø 10mm
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