Alu-Spinner 70 mm Graupner 215.70 Accurately made, true-running spinners for two-blade propellers. The backplate is fitted between propeller driver and propeller, and rests flush on the driver disc. A rebate in the spinner cap locates and centres it in the backplate. The spinner cap is secured using a central screw. Ø 70 mm
Length 71 mm
Hub bore approx. 6,3 mm
Retaining nut with engine shaft thread ¼“-28 UNF
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